<SEC-DOCUMENT>0001193125-25-178988.txt : 20250812
<SEC-HEADER>0001193125-25-178988.hdr.sgml : 20250812
<ACCEPTANCE-DATETIME>20250812162312
ACCESSION NUMBER:		0001193125-25-178988
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20250812
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20250812
DATE AS OF CHANGE:		20250812

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLADSTONE COMMERCIAL CORP
		CENTRAL INDEX KEY:			0001234006
		STANDARD INDUSTRIAL CLASSIFICATION:	LESSORS OF REAL PROPERTY, NEC [6519]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				020681276
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33097
		FILM NUMBER:		251207085

	BUSINESS ADDRESS:	
		STREET 1:		1521 WESTBRANCH DRIVE
		STREET 2:		SUITE 100
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
		BUSINESS PHONE:		703-287-5853

	MAIL ADDRESS:	
		STREET 1:		1521 WESTBRANCH DRIVE
		STREET 2:		SUITE 100
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d426549d8k.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<html xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:good="http://ir.gladstonecommercial.com/20250812" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>8-K</title>
<meta http-equiv="Content-Type" content="text/html"/>
</head>
   <body><div style="display:none"> <ix:header> <ix:hidden> <ix:nonNumeric id="Hidden_dei_EntityRegistrantName" name="dei:EntityRegistrantName" contextRef="duration_2025-08-12_to_2025-08-12">GLADSTONE COMMERCIAL CORP</ix:nonNumeric> <ix:nonNumeric name="dei:AmendmentFlag" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-276">false</ix:nonNumeric> <ix:nonNumeric id="Hidden_dei_EntityCentralIndexKey" name="dei:EntityCentralIndexKey" contextRef="duration_2025-08-12_to_2025-08-12">0001234006</ix:nonNumeric> </ix:hidden> <ix:references> <link:schemaRef xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xlink:type="simple" xlink:href="good-20250812.xsd" xlink:arcrole="http://www.xbrl.org/2003/linkbase"/> </ix:references> <ix:resources> <xbrli:context id="duration_2025-08-12_to_2025-08-12"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0001234006</xbrli:identifier> </xbrli:entity> <xbrli:period> <xbrli:startDate>2025-08-12</xbrli:startDate> <xbrli:endDate>2025-08-12</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0001234006</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2025-08-12</xbrli:startDate> <xbrli:endDate>2025-08-12</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0001234006</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">good:A6.625SeriesECumulativeRedeemablePreferredStockMember</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2025-08-12</xbrli:startDate> <xbrli:endDate>2025-08-12</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0001234006</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">good:A7.00SeriesDCumulativeRedeemablePreferredStockMember</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2025-08-12</xbrli:startDate> <xbrli:endDate>2025-08-12</xbrli:endDate> </xbrli:period> </xbrli:context> </ix:resources> </ix:header> </div> <div style="text-align:center"> <div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto"> <div style="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&#160;</div> <div style="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&#160;</div> <p style="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">UNITED STATES</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">SECURITIES AND EXCHANGE COMMISSION</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">Washington, D.C. 20549</p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">FORM <ix:nonNumeric name="dei:DocumentType" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-311">8-K</ix:nonNumeric></p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">CURRENT REPORT</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">Pursuant to Section 13 or 15(d)</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">of the Securities Exchange Act of 1934</p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">Date of Report (Date of earliest event reported): <ix:nonNumeric name="dei:DocumentPeriodEndDate" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt:datemonthdayyearen" id="ixv-312">August 12, 2025</ix:nonNumeric></p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman;font-weight:bold;text-align:center"> <span style=" -sec-ix-hidden:Hidden_dei_EntityRegistrantName">Gladstone Commercial Corporation</span> </p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Exact Name of Registrant as Specified in Charter)</p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="border-collapse:collapse; font-family:Times New Roman; font-size:8pt;width:100%;border-spacing:0;margin:0 auto">
<tr>
<td style="width:34%"/>
<td style="vertical-align:bottom"/>
<td style="width:32%"/>
<td style="vertical-align:bottom;width:1%"/>
<td style="width:32%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><ix:nonNumeric name="dei:EntityIncorporationStateCountryCode" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:stateprovnameen" id="ixv-313">Maryland</ix:nonNumeric></span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><ix:nonNumeric name="dei:EntityFileNumber" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-314">001-33097</ix:nonNumeric></span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><ix:nonNumeric name="dei:EntityTaxIdentificationNumber" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-315">02-0681276</ix:nonNumeric></span></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="vertical-align:top;text-align:center"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(State or Other Jurisdiction</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">of Incorporation)</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Commission</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">File Number)</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(I.R.S. Employer</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Identification Number)</p></td></tr></table> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center"><ix:nonNumeric name="dei:EntityAddressAddressLine1" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-316">1521 Westbranch Drive</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressAddressLine2" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-317">Suite 100</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressCityOrTown" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-318">McLean</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressStateOrProvince" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:stateprovnameen" id="ixv-319">Virginia</ix:nonNumeric> <ix:nonNumeric name="dei:EntityAddressPostalZipCode" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-320">22102</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Address of Principal Executive Offices) (Zip Code)</p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center"><ix:nonNumeric name="dei:CityAreaCode" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-321">(703)</ix:nonNumeric> <ix:nonNumeric name="dei:LocalPhoneNumber" contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-322">287-5800</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Registrant&#8217;s telephone number, including area code)</p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">Not Applicable</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Former name or former address, if changed since last report)</p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below if the Form <span style="white-space:nowrap">8-K</span> filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</p> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%">&#160;</td>
<td style="width:5%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:WrittenCommunications" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:boolballotbox" id="ixv-323">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%">&#160;</td>
<td style="width:5%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:SolicitingMaterial" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:boolballotbox" id="ixv-324">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Soliciting material pursuant to Rule <span style="white-space:nowrap">14a-12</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14a-12)</span></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%">&#160;</td>
<td style="width:5%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:PreCommencementTenderOffer" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:boolballotbox" id="ixv-325">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">14d-2(b)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14d-2(b))</span></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%">&#160;</td>
<td style="width:5%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:PreCommencementIssuerTenderOffer" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:boolballotbox" id="ixv-326">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">13e-4(c)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.13e-4(c))</span></p></td></tr></table> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities registered pursuant to Section&#160;12(b) of the Act:</p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0;margin:0 auto">
<tr>
<td style="width:34%"/>
<td style="vertical-align:bottom"/>
<td style="width:32%"/>
<td style="vertical-align:bottom;width:1%"/>
<td style="width:32%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;white-space:nowrap;text-align:center"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Title of each class</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;text-align:center"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Trading</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Symbol(s)</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;text-align:center"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Name of each exchange</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">on which registered</p></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember" id="ixv-327">Common Stock, $0.001 par value per share</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember" id="ixv-328">GOOD</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember" format="ixt-sec:exchnameen" id="ixv-329">The Nasdaq Stock Market LLC</ix:nonNumeric></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember" id="ixv-330">6.625% Series E Cumulative Redeemable Preferred Stock, par value $0.001 per share</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember" id="ixv-331">GOODN</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember" format="ixt-sec:exchnameen" id="ixv-332">The Nasdaq Stock Market LLC</ix:nonNumeric></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember" id="ixv-333">6.00% Series G Cumulative Redeemable Preferred Stock, par value $0.001 per share</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember" id="ixv-334">GOODO</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember" format="ixt-sec:exchnameen" id="ixv-335">The Nasdaq Stock Market LLC</ix:nonNumeric></td></tr></table> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule <span style="white-space:nowrap">12b-2</span> of the Securities Exchange Act of 1934 <span style="white-space:nowrap">(&#167;240.12b-2</span> of this chapter).</p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging growth company <ix:nonNumeric name="dei:EntityEmergingGrowthCompany" contextRef="duration_2025-08-12_to_2025-08-12" format="ixt-sec:boolballotbox" id="ixv-336">&#9744;</ix:nonNumeric></p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act. &#9744;</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&#160;</div> <div style="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&#160;</div></div></div>

<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<hr style="color:#999999;height:3px;width:100%;clear:both"/>

<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">

<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:11%;vertical-align:top;text-align:left"><span style="font-weight:bold">Item&#8201;8.01</span></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left">Other Events. </p></td></tr></table> <p style="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">As previously reported in its Current Report on Form <span style="white-space:nowrap">8-K</span> filed with the Securities and Exchange Commission (the &#8220;SEC&#8221;) on March&#160;26, 2024, Gladstone Commercial Corporation, a Maryland corporation (the &#8220;<span style="font-style:italic">Company</span>&#8221;), and its operating partnership, Gladstone Commercial Limited Partnership, a majority-owned, consolidated subsidiary of the Company and a Delaware limited partnership (the &#8220;<span style="font-style:italic">Operating Partnership</span>&#8221;), on March&#160;26, 2024, entered into Amendment No.&#160;1 (&#8220;<span style="font-style:italic">Amend</span><span style="font-style:italic">ment No.</span><span style="font-style:italic"></span><span style="font-style:italic">&#160;1</span>&#8221;) to <span style="white-space:nowrap"><span style="white-space:nowrap">the&#160;At-the-Market&#160;Equity</span></span> Offering Sales Agreement dated March&#160;3, 2023, with BofA Securities, Inc., Goldman Sachs&#160;&amp; Co. LLC, Robert W. Baird&#160;&amp; Co. Incorporated, KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc. (each, a &#8220;<span style="font-style:italic">Sales Agent</span>&#8221; and together, the &#8220;<span style="font-style:italic">Sales Agents</span>&#8221;), pursuant to which the Company sells shares of its common stock, par value $0.001 per share (the &#8220;<span style="font-style:italic">Shares</span>&#8221;), from time to time through the Sales Agents, each acting as a sales agent and/or principal. Among other things, Amendment No.&#160;1 gave effect to the Company&#8217;s filing with the SEC of a registration statement on <span style="white-space:nowrap"><span style="white-space:nowrap">Form&#160;S-3&#160;(File&#160;No.&#160;333-277877)&#160;(the</span></span> &#8220;<span style="font-style:italic">Registration Statement</span>&#8221;), which became effective on March&#160;21, 2024. </p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On August 12, 2025, the Company, the Operating Partnership, BofA Securities, Inc., Goldman Sachs&#160;&amp; Co. LLC, Huntington Securities, Inc., KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc. entered into Amendment No.&#160;2 to the Sales Agreement (&#8220;<span style="font-style:italic">Amendment No.</span><span style="font-style:italic"></span><span style="font-style:italic">&#160;2</span>&#8221;) which, among other things, (i)&#160;removes Robert W. Baird&#160;&amp; Co. Incorporated as a Sales Agent and (ii)&#160;adds Huntington Securities, Inc. as a Sales Agent. After giving effect to Amendment No.&#160;2, the Sales Agents are BofA Securities, Inc., Goldman Sachs&#160;&amp; Co. LLC, Huntington Securities, Inc., KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc. </p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Shares will continue to be offered and sold by the Sales Agents pursuant to the Registration Statement, the underlying prospectus and applicable prospectus supplements thereto. As of the date hereof, we have sold approximately 6,271,144 Shares pursuant to the Registration Statement for gross proceeds of approximately $93.5 million, leaving approximately $156.5 million available to be offered under the prospectus supplement. </p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The foregoing description of Amendment No.&#160;2 is a summary and is qualified in its entirety by reference to the full text of Amendment No.&#160;2, which is filed as Exhibit 1.1 to this Current Report on Form <span style="white-space:nowrap">8-K</span> and is incorporated herein by reference. </p> <p style="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold">Item&#8201;9.01. Financial Statements and Exhibits. </p> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%;vertical-align:top;text-align:left">(d)</td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Exhibits. </p></td></tr></table> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0;margin:0 auto">


<tr>

<td/>

<td style="vertical-align:bottom;width:7%"/>
<td style="width:90%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="vertical-align:bottom;white-space:nowrap;text-align:center"> <p style=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:inline-block; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Exhibit&#160;No.</p></td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:bottom;white-space:nowrap;text-align:center"> <p style=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:inline-block; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Description</p></td></tr>


<tr style="font-size:1pt">
<td style="height:6pt"/>
<td style="height:6pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;white-space:nowrap">1.1</td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:top"><a href="d426549dex11.htm">Amendment No.&#160;2 to the <span style="white-space:nowrap"><span style="white-space:nowrap">At-the-Market</span></span> Equity Offering Sales Agreement, dated August 12, 2025, by and among Gladstone Commercial Corporation, Gladstone Commercial Limited Partnership, BofA Securities, Inc., Goldman Sachs&#160;&amp; Co. LLC, Huntington Securities, Inc., KeyBanc Capital Markets Inc. and Fifth Third Securities, Inc. </a></td></tr>
<tr style="font-size:1pt">
<td style="height:6pt"/>
<td style="height:6pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;white-space:nowrap">104</td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:top">Cover Page Interactive Data File (embedded within the Inline XBRL document)</td></tr>
</table>
</div></div>



<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<hr style="color:#999999;height:3px;width:100%;clear:both"/>

<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">
 <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">SIGNATURES </p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0">


<tr>

<td style="width:45%"/>

<td style="vertical-align:bottom;width:1%"/>
<td style="width:4%"/>

<td style="vertical-align:bottom"/>
<td style="width:3%"/>

<td style="vertical-align:bottom;width:1%"/>
<td style="width:45%"/></tr>


<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom" colspan="3"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold">Gladstone Commercial Corporation</p> <p style="margin-top:0pt; margin-bottom:1pt; text-indent:4.50em; font-size:10pt; font-family:Times New Roman">(Registrant)</p></td></tr>
<tr style="font-size:1pt">
<td style="height:12pt"/>
<td style="height:12pt" colspan="2"/>
<td style="height:12pt" colspan="2"/>
<td style="height:12pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom">August&#160;12, 2025</td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top">By:</td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Gary Gerson</p></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Gary Gerson</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">Chief Financial Officer</p></td></tr>
</table>
</div></div>

</body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>d426549dex11.htm
<DESCRIPTION>EX-1.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-1.1</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE" STYLE="line-height:Normal">

<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 1.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><U>AMENDMENT NO. 2 TO THE <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">AT-THE-MARKET</FONT></FONT> EQUITY OFFERING
SALES AGREEMENT </U></B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">August&nbsp;12, 2025 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">BOFA SECURITIES, INC. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">One Bryant Park </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">New York, New York 10036 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">GOLDMAN SACHS&nbsp;&amp; CO. LLC </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">200 West Street </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">New York, New York 10282 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">HUNTINGTON SECURITIES, INC. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">41 South High Street </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Columbus, Ohio 43215 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">KEYBANC CAPITAL MARKETS INC. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">127 Public Square, 7<SUP STYLE="font-size:75%; vertical-align:top">th</SUP>&nbsp;Floor </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Cleveland, Ohio 44114 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">FIFTH THIRD SECURITIES, INC. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">50 Rockefeller Plaza &#150; Suite 1101 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">SU1600 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">New York, New York 10020 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ladies and Gentlemen: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Reference is made to the <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">At-The-Market</FONT></FONT> Equity Offering Sales
Agreement, dated March&nbsp;3, 2023, as amended on March&nbsp;26, 2024, including the Schedules thereto (the &#147;<B><I>Original Agreement</I></B>&#148;), among BofA Securities, Inc., Goldman Sachs&nbsp;&amp; Co. LLC, Robert W. Baird&nbsp;&amp; Co.
Incorporated, KeyBanc Capital Markets Inc., Fifth Third Securities, Inc. and Gladstone Commercial Corporation, a Maryland corporation (the &#147;<B><I>Company</I></B>&#148;) and Gladstone Commercial Limited Partnership, a Delaware limited
partnership (the &#147;<B><I>Operating Partnership</I></B>&#148;), pursuant to which the Company agreed to sell through the Agents, shares of common stock, par value $0.001 per share, of the Company. All capitalized terms not defined herein shall
have the meanings ascribed to them in the Original Agreement. The parties, intending to be legally bound, hereby amend the Original Agreement as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. All references to the &#147;Prospectus Supplement&#148;, with respect to sales to be made under the Registration Statement, refer to the
prospectus supplement dated March&nbsp;26, 2024, as supplemented and updated by the prospectus supplement to be dated August&nbsp;12, 2025 (the &#147;<B><I>New</I></B> <B><I>Prospectus</I></B> <B><I>Supplement</I></B>&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. All references to the &#147;Prospectus&#148;, with respect to sales to be made under the Registration Statement, refer to the Base
Prospectus, as supplemented by the New Prospectus Supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. Section 11 of the Original Agreement shall remain unchanged, except that
the notice information for Robert W. Baird&nbsp;&amp; Co. Incorporated shall be removed and replaced with the below: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Huntington
Securities, Inc. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">41 South High Street </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Columbus, OH 43215 </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Attention: Peter Dippolito / Equity Capital Markets </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Emails: <U>peter.dippolito@huntington.com, equitycapitalmarkets@huntington.com</U> </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Facsimile: (877) <FONT STYLE="white-space:nowrap">807-4721</FONT> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. Schedule 2 of the Original Agreement shall remain unchanged, except that the Notice Parties for Robert W. Baird&nbsp;&amp; Co. Incorporated
shall be removed and replaced with the following: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">Peter Dippolito <U>(peter.dippolito@huntington.com)</U> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><U>equitycapitalmarkets@huntington.com</U> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. Pursuant to that certain termination notice, dated August&nbsp;12, 2025, all references to &#147;Robert W. Baird&nbsp;&amp; Co.
Incorporated&#148; or &#147;Baird&#148; shall be removed from the Agreement and replaced with &#147;Huntington Securities, Inc.&#148; or &#147;Huntington Capital Markets&#148;. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. The Company represents and warrants to, and agrees with the Agents that this Amendment has been duly authorized, executed and delivered by,
and is a valid and binding agreement of, the Company, enforceable in accordance with its terms, except as rights to indemnification hereunder may be limited by applicable law and except as the enforcement hereof may be limited by bankruptcy,
insolvency, reorganization, moratorium or other similar laws relating to or affecting the rights and remedies of creditors or by general equitable principles. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. This Amendment together with the Original Agreement (including all schedules and exhibits attached hereto and thereto and Placement Notices
issued pursuant hereto and thereto), constitutes the entire agreement and supersedes all other prior and contemporaneous agreements and undertakings, both written and oral, among the parties hereto with regard to the subject matter hereof. Neither
this Amendment nor any term hereof may be amended except pursuant to a written instrument executed by the Company and the Agents. In the event that any one or more of the provisions contained herein, or the application thereof in any circumstance,
is held invalid, illegal or unenforceable as written by a court of competent jurisdiction, then such provision shall be given full force and effect to the fullest possible extent that it is valid, legal and enforceable, and the remainder of the
terms and provisions herein shall be construed as if such invalid, illegal or unenforceable term or provision was not contained herein, but only to the extent that giving effect to such provision and the remainder of the terms and provisions hereof
shall be in accordance with the intent of the parties as reflected in this Amendment. All references in the Original Agreement to the &#147;Agreement&#148; shall mean, with respect to sales to be made under the New Registration Statement, the
Original Agreement as amended by this Amendment; provided, however, that all references to &#147;date of this Agreement&#148; in the Original Agreement shall continue to refer to the date of the Original Agreement with respect to sales made under
the Original Registration Statement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">8. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW
YORK WITHOUT REFERENCE TO ITS PRINCIPLES OF CONFLICTS OF LAW. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">9. This Amendment may be executed by any one or more of the parties hereto
in any number of counterparts, each of which shall be deemed to be an original, but such respective counterparts shall together shall constitute one and the same instrument, and may be delivered by facsimile transmission or by electronic delivery of
a portable document format (PDF) file (including any electronic signature covered by the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures and Records Act or other applicable law, e.g.,
<U>www.docusign.com</U>). The invalidity or unenforceability of any section, paragraph or provision of this Amendment shall not affect the validity or enforceability of any other section, paragraph or provision hereof. If any section, paragraph or
provision of this Amendment is for any reason determined to be invalid or unenforceable, there shall be deemed to be made such minor changes (and only such minor changes) as are necessary to make it valid and enforceable. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>[Remainder of Page Intentionally Blank] </B></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the foregoing correctly sets forth the understanding among the Company and the Agents,
please so indicate in the space provided below for that purpose, whereupon this letter shall constitute a binding amendment to the Original Agreement among the Company and the Agents. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="12%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Very truly yours,</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GLADSTONE COMMERCIAL CORPORATION</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ David J. Gladstone</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">David J. Gladstone</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Chief Executive Officer of Gladstone Commercial Corporation</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">GLADSTONE COMMERCIAL LIMITED PARTNERSHIP</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">GCLP Business Trust II, its General Partner</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ David J. Gladstone</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">David J. Gladstone</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Trustee of GCLP Business Trust II</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Amendment No.&nbsp;2 to Sales Agreement] </I></P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>

<TD WIDTH="13%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="86%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accepted as of the date hereof:</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">BOFA SECURITIES, INC.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Hicham Hamdouch</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Hicham Hamdouch</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Managing Director</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">GOLDMAN SACHS&nbsp;&amp; CO. LLC</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Ryan Cunn</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Ryan Cunn</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Managing Director</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">HUNTINGTON SECURITIES, INC.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Peter Dippolito</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Peter Dippolito</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Senior Managing Director</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">KEYBANC CAPITAL MARKETS INC.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Jaryd Banach</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Jaryd Banach</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Managing Director, Head of REGAL ECM</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">FIFTH THIRD SECURITIES, INC.</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">By:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Clayton Greene</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Name:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Clayton Greene</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Title:</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Head of ECM</P></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Signature Page to Amendment No.&nbsp;2 to Sales Agreement] </I></P>
</DIV></Center>

</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>good-20250812.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2512 Build:20250722.1 -->
<!-- Creation date: 8/12/2025 7:41:57 PM Eastern Time -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema
  xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric"
  xmlns:num="http://www.xbrl.org/dtr/type/numeric"
  xmlns:us-types="http://fasb.org/us-types/2025"
  xmlns:good="http://ir.gladstonecommercial.com/20250812"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  attributeFormDefault="unqualified"
  elementFormDefault="qualified"
  targetNamespace="http://ir.gladstonecommercial.com/20250812"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" namespace="http://xbrl.sec.gov/dei/2025" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2025/naics-2025.xsd" namespace="http://xbrl.sec.gov/naics/2025" />
    <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
    <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" namespace="http://fasb.org/us-gaap/2025" />
    <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd" namespace="http://fasb.org/us-types/2025" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="good-20250812_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="good-20250812_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="good-20250812_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="good_DocumentAndEntityInformationTable" name="DocumentAndEntityInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="good_DocumentAndEntityInformationLineItems" name="DocumentAndEntityInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" name="A6.625SeriesECumulativeRedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" name="A7.00SeriesDCumulativeRedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>4
<FILENAME>good-20250812_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2512 Build:20250722.1 -->
<!-- Creation date: 8/12/2025 7:41:59 PM Eastern Time -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
  <link:roleRef roleURI="http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="good-20250812.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:definitionLink xlink:type="extended" xlink:role="http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationTable" />
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationLineItems" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain_2" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember" />
    <link:loc xlink:href="good-20250812.xsd#good_A6.625SeriesECumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" />
    <link:loc xlink:href="good-20250812.xsd#good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="good_DocumentAndEntityInformationTable" order="1" priority="2" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="good_DocumentAndEntityInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="1" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="23" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain_2" order="23.0001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_CommonStockMember" order="24" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" order="25" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" order="26" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityRegistrantName" order="28.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_AmendmentFlag" order="29.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="30.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentType" order="34.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="35.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="36.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityFileNumber" order="37.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" order="38.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="39.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" order="40.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="41.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressStateOrProvince" order="42.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="43.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_CityAreaCode" order="44.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="45.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_WrittenCommunications" order="46.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_SolicitingMaterial" order="47.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" order="48.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" order="49.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_Security12bTitle" order="50.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_TradingSymbol" order="51.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_SecurityExchangeName" order="52.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="53.001" priority="2" use="optional" />
  </link:definitionLink>
</linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>5
<FILENAME>good-20250812_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2512 Build:20250722.1 -->
<!-- Creation date: 8/12/2025 7:41:57 PM Eastern Time -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover [Abstract]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation State Country Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation State Country Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line Two</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Written Communications</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Soliciting Material</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Issuer Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Issuer Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security 12b Title</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security 12b Title</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationTable" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="good_DocumentAndEntityInformationTable" xlink:to="good_DocumentAndEntityInformationTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="good_DocumentAndEntityInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="good_DocumentAndEntityInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document And Entity Information [Table]</link:label>
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationLineItems" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="good_DocumentAndEntityInformationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="good_DocumentAndEntityInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="good_DocumentAndEntityInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document And Entity Information [Line Items]</link:label>
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Axis]</link:label>
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Domain]</link:label>
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
    <link:loc xlink:href="good-20250812.xsd#good_A6.625SeriesECumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" xlink:to="good_A6.625SeriesECumulativeRedeemablePreferredStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="good_A6.625SeriesECumulativeRedeemablePreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="good_A6.625SeriesECumulativeRedeemablePreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]</link:label>
    <link:loc xlink:href="good-20250812.xsd#good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" xlink:to="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]</link:label>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>good-20250812_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2512 Build:20250722.1 -->
<!-- Creation date: 8/12/2025 7:41:57 PM Eastern Time -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
    xmlns:link="http://www.xbrl.org/2003/linkbase"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
    xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="good-20250812.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:presentationLink xlink:type="extended" xlink:role="http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="good_DocumentAndEntityInformationTable" order="21" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="good-20250812.xsd#good_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="good_DocumentAndEntityInformationLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationTable" xlink:to="good_DocumentAndEntityInformationLineItems" order="22" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="23" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_CommonStockMember" order="24" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="good-20250812.xsd#good_A6.625SeriesECumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="good_A6.625SeriesECumulativeRedeemablePreferredStockMember" order="25" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="good-20250812.xsd#good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" xlink:type="locator" xlink:label="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="good_A7.00SeriesDCumulativeRedeemablePreferredStockMember" order="26" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityRegistrantName" order="28.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_AmendmentFlag" order="29.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="30.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentType" order="34.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="35.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="36.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityFileNumber" order="37.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" order="38.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="39.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" order="40.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="41.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressStateOrProvince" order="42.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="43.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_CityAreaCode" order="44.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="45.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_WrittenCommunications" order="46.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_SolicitingMaterial" order="47.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" order="48.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" order="49.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_Security12bTitle" order="50.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_TradingSymbol" order="51.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_SecurityExchangeName" order="52.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="good_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="53.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.25.2</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>Aug. 12, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_good_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">GLADSTONE COMMERCIAL CORP<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001234006<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Aug. 12,  2025<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation State Country Code</a></td>
<td class="text">MD<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-33097<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">02-0681276<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">1521 Westbranch Drive<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">Suite 100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">McLean<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">VA<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">22102<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(703)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">287-5800<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre Commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre Commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_good_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Common Stock, $0.001 par value per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">GOOD<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=good_A6.625SeriesECumulativeRedeemablePreferredStockMember', window );">A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_good_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">6.625% Series E Cumulative Redeemable Preferred Stock, par value $0.001 per share<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">GOODN<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=good_A7.00SeriesDCumulativeRedeemablePreferredStockMember', window );">A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_good_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">6.00% Series G Cumulative Redeemable Preferred Stock, par value $0.001 per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">GOODO<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14a<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_good_DocumentAndEntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">good_DocumentAndEntityInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>good_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=good_A6.625SeriesECumulativeRedeemablePreferredStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=good_A6.625SeriesECumulativeRedeemablePreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=good_A7.00SeriesDCumulativeRedeemablePreferredStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=good_A7.00SeriesDCumulativeRedeemablePreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
.report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

.report table.authRefData a {
	display: block;
	font-weight: bold;
}

.report table.authRefData p {
	margin-top: 0px;
}

.report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

.report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

.report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

.report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
.pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
.report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

.report hr {
	border: 1px solid #acf;
}

/* Top labels */
.report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

.report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

.report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

.report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

.report td.pl div.a {
	width: 200px;
}

.report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
.report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
.report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
.report .re, .report .reu {
	background-color: #def;
}

.report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
.report .ro, .report .rou {
	background-color: white;
}

.report .rou td {
	border-bottom: 1px solid black;
}

.report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
.report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
.report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

.report .nump {
	padding-left: 2em;
}

.report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
.report .text {
	text-align: left;
	white-space: normal;
}

.report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

.report .text .more {
	display: none;
}

.report .text .note {
	font-style: italic;
	font-weight: bold;
}

.report .text .small {
	width: 10em;
}

.report sup {
	font-style: italic;
}

.report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>4</ContextCount>
  <ElementCount>23</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>3</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="d426549d8k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" isOnlyDei="true" isUsgaap="true" original="d426549d8k.htm">d426549d8k.htm</File>
    <File>good-20250812.xsd</File>
    <File>good-20250812_def.xml</File>
    <File>good-20250812_lab.xml</File>
    <File>good-20250812_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>15
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "d426549d8k.htm": {
   "nsprefix": "good",
   "nsuri": "http://ir.gladstonecommercial.com/20250812",
   "dts": {
    "inline": {
     "local": [
      "d426549d8k.htm"
     ]
    },
    "schema": {
     "local": [
      "good-20250812.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/naics/2025/naics-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "definitionLink": {
     "local": [
      "good-20250812_def.xml"
     ]
    },
    "labelLink": {
     "local": [
      "good-20250812_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "good-20250812_pre.xml"
     ]
    }
   },
   "keyStandard": 23,
   "keyCustom": 0,
   "axisStandard": 1,
   "axisCustom": 0,
   "memberStandard": 1,
   "memberCustom": 2,
   "hidden": {
    "total": 3,
    "http://xbrl.sec.gov/dei/2025": 3
   },
   "contextCount": 4,
   "entityCount": 1,
   "segmentCount": 3,
   "elementCount": 31,
   "unitCount": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2025": 29
   },
   "report": {
    "R1": {
     "role": "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation",
     "longName": "100000 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "duration_2025-08-12_to_2025-08-12",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d426549d8k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "duration_2025-08-12_to_2025-08-12",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d426549d8k.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "good_A6.625SeriesECumulativeRedeemablePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://ir.gladstonecommercial.com/20250812",
     "localname": "A6.625SeriesECumulativeRedeemablePreferredStockMember",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]",
        "terseLabel": "A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "good_A7.00SeriesDCumulativeRedeemablePreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://ir.gladstonecommercial.com/20250812",
     "localname": "A7.00SeriesDCumulativeRedeemablePreferredStockMember",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]",
        "terseLabel": "A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CityAreaCode",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "terseLabel": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfStockDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ClassOfStockDomain",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_CommonStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "CommonStockMember",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "terseLabel": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "good_DocumentAndEntityInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://ir.gladstonecommercial.com/20250812",
     "localname": "DocumentAndEntityInformationLineItems",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document And Entity Information [Line Items]",
        "terseLabel": "Document And Entity Information [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "good_DocumentAndEntityInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://ir.gladstonecommercial.com/20250812",
     "localname": "DocumentAndEntityInformationTable",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document And Entity Information [Table]",
        "terseLabel": "Document And Entity Information [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "terseLabel": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine2": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine2",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two",
        "documentation": "Address Line 2 such as Street or Suite number"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "terseLabel": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation State Country Code",
        "terseLabel": "Entity Incorporation State Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "PreCommencementIssuerTenderOffer",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre Commencement Issuer Tender Offer",
        "terseLabel": "Pre Commencement Issuer Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_PreCommencementTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "PreCommencementTenderOffer",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre Commencement Tender Offer",
        "terseLabel": "Pre Commencement Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r5"
     ]
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "Security12bTitle",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security 12b Title",
        "terseLabel": "Security 12b Title",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "dei_SolicitingMaterial": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SolicitingMaterial",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soliciting Material",
        "terseLabel": "Soliciting Material",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r4"
     ]
    },
    "us-gaap_StatementClassOfStockAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StatementClassOfStockAxis",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "TradingSymbol",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "dei_WrittenCommunications": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "WrittenCommunications",
     "presentation": [
      "http://ir.gladstonecommercial.com//20250812/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Written Communications",
        "terseLabel": "Written Communications",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act."
       }
      }
     },
     "auth_ref": [
      "r6"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "425"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>16
<FILENAME>0001193125-25-178988-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001193125-25-178988-xbrl.zip
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M,V0(SD*13/4M1<&B&R\7R^ED@\$6Q<9PF''H0:10WU8@O'B,/=)W\@1RMQ4
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M+)+*+M@YL96,H+;4_9SFW"'4N?UOU=J_'\R_T5[^<P4/_P-02P,$%     @
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M7]C;.<,H(6Y,^7V0 ,E:-&^RCLHZ27^XZW$]@G3'4@D<JWQG4),_7-A"BL=
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M.N =.1;OD3-XS0C4%8#K ,W;.(@P+\!"<V?GR1RXI(,99S77JT4[!^$515B
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MS_R@4I?\ U!+ 0(4 Q0    ( .2"#%NR:_(BS!(  /!_   .
M  "  0    !D-#(V-30Y9#AK+FAT;5!+ 0(4 Q0    ( .2"#%OKG@@2N@\
M )=C   0              "  ?@2  !D-#(V-30Y9&5X,3$N:'1M4$L! A0#
M%     @ Y((,6QATMG,Q!   ?Q$  !$              ( !X"(  &=O;V0M
M,C R-3 X,3(N>'-D4$L! A0#%     @ Y((,6]Q:-N\*!@  O#<  !4
M         ( !0"<  &=O;V0M,C R-3 X,3)?9&5F+GAM;%!+ 0(4 Q0    (
M .2"#%O>S@<V* @  (1=   5              "  7TM  !G;V]D+3(P,C4P
M.#$R7VQA8BYX;6Q02P$"% ,4    " #D@@Q;0%W 1L %  #'.P  %0
M        @ '8-0  9V]O9"TR,#(U,#@Q,E]P<F4N>&UL4$L%!@     &  8
*@@$  ,L[      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>17
<FILENAME>d426549d8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:good="http://ir.gladstonecommercial.com/20250812"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="good-20250812.xsd" xlink:type="simple"/>
    <context id="duration_2025-08-12_to_2025-08-12">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001234006</identifier>
        </entity>
        <period>
            <startDate>2025-08-12</startDate>
            <endDate>2025-08-12</endDate>
        </period>
    </context>
    <context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001234006</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-08-12</startDate>
            <endDate>2025-08-12</endDate>
        </period>
    </context>
    <context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001234006</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">good:A6.625SeriesECumulativeRedeemablePreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-08-12</startDate>
            <endDate>2025-08-12</endDate>
        </period>
    </context>
    <context id="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001234006</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">good:A7.00SeriesDCumulativeRedeemablePreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-08-12</startDate>
            <endDate>2025-08-12</endDate>
        </period>
    </context>
    <dei:EntityRegistrantName
      contextRef="duration_2025-08-12_to_2025-08-12"
      id="Hidden_dei_EntityRegistrantName">GLADSTONE COMMERCIAL CORP</dei:EntityRegistrantName>
    <dei:AmendmentFlag contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-276">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2025-08-12_to_2025-08-12"
      id="Hidden_dei_EntityCentralIndexKey">0001234006</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-311">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-312">2025-08-12</dei:DocumentPeriodEndDate>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-313">MD</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-314">001-33097</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-315">02-0681276</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-316">1521 Westbranch Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-317">Suite 100</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-318">McLean</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-319">VA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-320">22102</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-321">(703)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-322">287-5800</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-323">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-324">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-325">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-326">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-327">Common Stock, $0.001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-328">GOOD</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_us-gaap-CommonStockMember"
      id="ixv-329">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember"
      id="ixv-330">6.625% Series E Cumulative Redeemable Preferred Stock, par value $0.001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember"
      id="ixv-331">GOODN</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A6.625SeriesECumulativeRedeemablePreferredStockMember"
      id="ixv-332">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember"
      id="ixv-333">6.00% Series G Cumulative Redeemable Preferred Stock, par value $0.001 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember"
      id="ixv-334">GOODO</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2025-08-12_to_2025-08-12_us-gaap-StatementClassOfStockAxis_good-A7.00SeriesDCumulativeRedeemablePreferredStockMember"
      id="ixv-335">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2025-08-12_to_2025-08-12" id="ixv-336">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
