<SEC-DOCUMENT>0001558370-21-007917.txt : 20210602
<SEC-HEADER>0001558370-21-007917.hdr.sgml : 20210602
<ACCEPTANCE-DATETIME>20210602060411
ACCESSION NUMBER:		0001558370-21-007917
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20210602
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20210602
DATE AS OF CHANGE:		20210602

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCBEST CORP /DE/
		CENTRAL INDEX KEY:			0000894405
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				710673405
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19969
		FILM NUMBER:		21987599

	BUSINESS ADDRESS:	
		STREET 1:		8401 MCCLURE DRIVE
		CITY:			FORT SMITH
		STATE:			AR
		ZIP:			72916
		BUSINESS PHONE:		4797856000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 10048
		CITY:			FORT SMITH
		STATE:			AR
		ZIP:			72917-0048

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARKANSAS BEST CORP /DE/
		DATE OF NAME CHANGE:	19930917
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>arcb-20210602x8k.htm
<DESCRIPTION>8-K
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style="font-family:'Times';font-size:12pt;font-weight:bold;line-height:12pt;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" name="dei:EntityAddressCityOrTown" id="Narr_6qghAg-ETky4EUfU7ZznTQ"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;">Fort Smith</b></ix:nonNumeric><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;">, </b><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="Narr_JrjXTt8f4UmmsR7eU4Xs0Q"><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;">Arkansas</b></ix:nonNumeric><b style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;"> </b><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" name="dei:EntityAddressPostalZipCode" 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style="font-family:'Times';font-size:10pt;text-align:center;margin:0pt 36pt 0pt 36pt;"><span style="font-family:'Times New Roman','Times','serif';white-space:pre-wrap;"> (Address, including zip code, and telephone number, including area code, of</span></p><p style="font-family:'Times';font-size:10pt;text-align:center;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">the registrant&#39;s principal executive offices)</span></p><p style="font-family:'Times';font-size:12pt;font-weight:bold;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';margin-bottom:12pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:center;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><a id="_228def08_d6aa_4075_98ae_2c090586d71a"></a><a id="Tc_mHBmNr7gAky7FBgml0BYcQ_1_0"></a><a id="Tc_jISgqvkrBEeI6MMEBcw6wA_1_1"></a><a id="Tc_9n70J1eyjUytNcPR6kdD3g_1_2"></a><table style="border-collapse:collapse;font-size:16pt;height:max-content;width:99.9%;"><tr style="height:1pt;"><td style="vertical-align:top;width:30.41%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:33.25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:36.32%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:30.41%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times';font-size:9pt;text-align:center;margin:0pt;"><span style="text-decoration:underline;text-decoration-color:#000000;">Title of each class</span></p></td><td style="vertical-align:top;width:33.25%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times';font-size:9pt;text-align:center;margin:0pt;"><span 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satisfy the filing obligation of the registrant under any of the following provisions.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:8pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:22.5pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;margin-bottom:0pt;margin-top:0pt;"><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="Narr_TXLloksvj0a816qM2yi2Xg"><b style="font-family:'Segoe UI Symbol';font-size:10pt;font-weight:bold;">&#9744;</b></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="font-family:'Times';font-size:12pt;margin-bottom:0pt;margin-top:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;">Written communication pursuant to Rule 425 under 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pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></p></td></tr></table><p style="font-family:'Times';font-size:12pt;padding-left:22.5pt;text-indent:-22.5pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:8pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:22.5pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;margin-bottom:0pt;margin-top:0pt;"><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="Narr_qEK6_zpwZkqL5VQ4Wo-07A"><b style="font-family:'Segoe UI Symbol';font-size:10pt;font-weight:bold;">&#9744;</b></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="font-family:'Times';font-size:12pt;margin-bottom:0pt;margin-top:0pt;"><span style="font-family:'Times New 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style="font-family:'Times';font-size:12pt;padding-left:22.5pt;text-indent:-22.5pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;">Emerging growth company</span><span style="display:inline-block;width:30.08pt;"></span><ix:nonNumeric contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="Narr_RM2x12Gh7Ei3kqyY9G0kEg"><b style="font-family:'Segoe UI Symbol';font-size:10pt;font-weight:bold;">&#9744;</b></ix:nonNumeric></p><p style="font-family:'Times';font-size:12pt;padding-left:22.5pt;text-indent:-22.5pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">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 13(a) of the Exchange Act.</span><span style="display:inline-block;width:17.64pt;"></span><b style="font-family:'Segoe UI Symbol';font-weight:bold;">&#9744;</b></p><p style="font-family:'Times';font-size:12pt;padding-left:22.5pt;text-indent:-22.5pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:12pt;line-height:1pt;padding-bottom:1pt;padding-top:1pt;border-bottom:3.0pt solid #000000;border-top:1.0pt solid #000000;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:12pt;padding-left:30pt;text-indent:-30pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="display:none;font-family:'Times';font-size:12pt;line-height:0pt;padding-left:30pt;text-indent:-30pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:0pt;visibility:hidden;">&#8203;</span></p><a id="_ac7eab90_3fd3_47e4_b25d_73414185ba74"></a></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:77.45%;border:0;margin:30pt 10.78% 30pt 11.76%;"></div><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_Hlk35960218"></a><p style="font-family:'Times';font-size:10pt;font-weight:bold;margin:0pt 0pt 12pt 0pt;">ITEM 7.01 &#8211; REGULATION FD DISCLOSURE</p><p style="font-family:'Times';font-size:8pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;">ArcBest</span><sup style="font-family:'Times New Roman','Times','serif';font-size:6pt;line-height:100%;top:0pt;vertical-align:top;">&#174;</sup><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;"> (Nasdaq: ARCB) is providing the following update on the most recent information related to its second quarter 2021 financial results and business trends.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">There were 20 working days in May 2020 and May 2021, and 21.5 working days in April 2021.</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';"> </span><span style="font-family:'Times New Roman','Times','serif';visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';text-decoration:underline;text-decoration-color:#000000;">Asset-Based Operating Segment</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">For the month of May 2021 compared to May 2020, preliminary financial metrics and business trends are as follows:</span></p><p style="font-family:'Times';font-size:12pt;padding-left:9pt;text-align:justify;text-indent:-9pt;margin:0pt 0pt 0pt 9pt;"><span style="font-family:'Arial','Helvetica','sans-serif';font-size:10pt;margin-left:0pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Daily Billed Revenue increased approximately 40%. </span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Tonnage/Day increased approximately 21%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Shipments/Day increased approximately 12%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Billed Revenue/CWT increased approximately 16% including higher fuel surcharge, compared to a total Revenue/CWT decrease of 4.6% in May 2020 versus May 2019 due to business mix changes related to the pandemic.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Billed Revenue/Shipment increased approximately 26%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Weight/Shipment increased approximately 8%.</span></td></tr></table><p style="font-family:'Times';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">Year-over-year comparisons are less meaningful due to the significant impact in 2020 from the pandemic and the related economic shutdown; therefore, sequential comparisons have also been provided.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">For the month of May 2021 compared to April 2021, preliminary financial metrics and business trends are as follows:</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-decoration:underline;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Daily Billed Revenue increased approximately 3%. </span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Tonnage/Day decreased approximately 0.5%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Shipments/Day decreased approximately 3%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Times';font-size:12pt;line-height:1.37;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.37;text-align:justify;">Total Billed Revenue/Shipment increased approximately 6.5%.</span></td></tr></table><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-decoration:underline;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">As previously disclosed, April 2021 tonnage trends were the best in the past 10 years and impacted the sequential comparison to May 2021. As customer demand has continued to improve, tonnage generated from published LTL-rated customers increased from April to May in line with the average percentage increase of the past 10 years. Considering the strength of business from core customers along with unseasonable demand for household goods moving services in March and April, which was earlier in the year than normal, Asset-Based shipment mix is being managed to maintain customer service levels, while optimizing revenue. The sequential increase in Billed Revenue/CWT from April to May was the best in the past 10 years, influenced by higher prices with both core and transactional business, changes in business mix and freight profile, and higher fuel surcharges.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';text-decoration:underline;text-decoration-color:#000000;">Asset-Light ArcBest Segment (not including FleetNet) </span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">For the month of May 2021 compared to May 2020, preliminary financial metrics and business trends are as follows:</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-family:'Century Gothic';font-size:11pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Total revenue per day increased approximately 91%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Century Gothic';font-size:11pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Purchased transportation expense per day increased approximately 93%.</span></td></tr></table><table style="border-collapse:collapse;font-family:'Century Gothic';font-size:11pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:10pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Purchased transportation expense represented approximately 84.5% of revenues in May 2021 compared to 83.5% in May 2020</span><span style="color:#000000;font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">.</span></td></tr></table><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">Year-over-year comparisons are less meaningful due to the significant impact in 2020 from the pandemic and the related economic shutdown; therefore, the sequential revenue comparison has also been provided.</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:10pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:76.47%;border:0;margin:30pt 11.76% 30pt 11.76%;"></div><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">For the month of May 2021 compared to April 2021, preliminary total revenue per day increased approximately 14%.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">The following is a &#8220;safe harbor&#8221; statement under the Private Securities Litigation Reform Act of 1995:</b><span style="font-family:'Times New Roman','Times','serif';"> &#160;</span>Certain statements and information in this report may constitute &#8220;forward-looking statements&#8221; within the meaning of the Private Securities Litigation Reform Act of 1995. Terms such as &#8220;anticipate,&#8221; &#8220;believe,&#8221; &#8220;could,&#8221; &#8220;estimate,&#8221; &#8220;expect,&#8221; &#8220;forecast,&#8221; &#8220;foresee,&#8221; &#8220;intend,&#8221; &#8220;may,&#8221; &#8220;plan,&#8221; &#8220;predict,&#8221; &#8220;project,&#8221; &#8220;scheduled,&#8221; &#8220;should,&#8221; &#8220;would,&#8221; and similar expressions and the negatives of such terms are intended to identify forward-looking statements. These statements are based on management&#8217;s beliefs, assumptions, and expectations based on currently available information, are not guarantees of future performance, and involve certain risks and uncertainties (some of which are beyond our control). Although we believe that the expectations reflected in these forward-looking statements are reasonable as and when made, we cannot provide assurance that our expectations will prove to be correct. Actual outcomes and results could materially differ from what is expressed, implied, or forecasted in these statements due to a number of factors, including, but not limited to: widespread outbreak of an illness or disease, including the COVID-19 pandemic and its effects, or any other public health crisis, as well as regulatory measures implemented in response to such events; external events which may adversely affect us or the third parties who provide services for us, for which our business continuity plans may not adequately prepare us; a failure of our information systems, including disruptions or failures of services essential to our operations or upon which our information technology platforms rely, data breach, and/or cybersecurity incidents; interruption or failure of third-party software or information technology systems or licenses; untimely or ineffective development and implementation of, or failure to realize potential benefits associated with, new or enhanced technology or processes, including the pilot test program at ABF Freight; the loss or reduction of business from large customers; the ability to manage our cost structure, and the timing and performance of growth initiatives; maintaining our corporate reputation and intellectual property rights; competitive initiatives and pricing pressures; increased prices for and decreased availability of new revenue equipment, decreases in value of used revenue equipment, and higher costs of equipment-related operating expenses such as maintenance, fuel, and related taxes; availability of fuel, the effect of volatility in fuel prices and the associated changes in fuel surcharges on securing increases in base freight rates, and the inability to collect fuel surcharges; relationships with employees, including unions, and our ability to attract, retain, and develop employees; unfavorable terms of, or the inability to reach agreement on, future collective bargaining agreements or a workforce stoppage by our employees covered under ABF Freight&#8217;s collective bargaining agreement; union employee wages and benefits, including changes in required contributions to multiemployer plans; availability and cost of reliable third-party services; our ability to secure independent owner operators and/or operational or regulatory issues related to our use of their services; litigation or claims asserted against us; governmental regulations; environmental laws and regulations, including emissions-control regulations; default on covenants of financing arrangements and the availability and terms of future financing arrangements; self-insurance claims and insurance premium costs; potential impairment of goodwill and intangible assets; general economic conditions and related shifts in market demand that impact the performance and needs of industries we serve and/or limit our customers&#8217; access to adequate financial resources; seasonal fluctuations and adverse weather conditions; and other financial, operational, and legal risks and uncertainties detailed from time to time in ArcBest Corporation&#8217;s public filings with the Securities and Exchange Commission (the &#8220;SEC&#8221;).</p><p style="font-family:'Times';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;">For additional information regarding known material factors that could cause our actual results to differ from our projected results, please see our filings with the SEC, including our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K.</p><p style="font-family:'Times';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;">Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date hereof. We undertake no obligation to publicly update or revise any forward-looking statements after the date they are made, whether as a result of new information, future events, or otherwise<span style="font-family:'Times New Roman','Times','serif';">.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:76.47%;border:0;margin:30pt 11.76% 30pt 11.76%;"></div><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times';font-size:12pt;text-align:justify;margin:0pt 0pt 6pt 0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:center;margin:0pt 0pt 9pt 0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">SIGNATURES</b></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:10pt;text-align:justify;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">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.</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><table style="background-color:#ffffff;border-collapse:collapse;font-size:16pt;height:max-content;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:6.74%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:1pt;margin:0pt;">Se</p></div></div></td><td style="vertical-align:top;width:39.44%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:3.85%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times';font-size:12pt;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:49.95%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr style="height:1pt;"><td colspan="3" style="vertical-align:top;width:50.04%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td><td style="vertical-align:top;width:49.95%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"></div></div></td></tr><tr style="height:14.85pt;"><td style="background-color:#ffffff;vertical-align:top;width:6.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:39.44%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:3.85%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:49.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:10pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">ARCBEST CORPORATION</b></p></td></tr><tr><td style="background-color:#ffffff;vertical-align:top;width:6.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:39.44%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:3.85%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:49.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="background-color:#ffffff;vertical-align:top;width:6.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:39.44%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:3.85%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:49.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:10pt;line-height:1.37;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';">(Registrant)</span></p></td></tr><tr><td style="background-color:#ffffff;vertical-align:top;width:6.74%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td style="background-color:#ffffff;vertical-align:top;width:39.44%;margin:0pt;padding:0pt;"><p 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style="font-family:'Times';font-size:10pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';white-space:pre-wrap;">Date:  </span></p></td><td style="background-color:#ffffff;vertical-align:top;width:39.44%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:10pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';white-space:pre-wrap;">           June 2, 2021</span><span style="display:inline-block;width:13.97pt;"></span></p></td><td style="background-color:#ffffff;vertical-align:top;width:3.85%;margin:0pt;padding:0pt;"><p style="font-family:'Times';font-size:12pt;line-height:1.37;padding-left:7.2pt;text-indent:-7.2pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></td><td 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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>4
<FILENAME>arcb-20210602_pre.xml
<DESCRIPTION>EX-101.PRE
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
      id="Narr_94MlmDCrlkafsv5Se6kTVg">785-6000</dei:LocalPhoneNumber>
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
      id="Tc_6yBRyPhYqEudAPylIPHjxw_2_0">Common Stock $0.01 Par Value</dei:Security12bTitle>
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      contextRef="Duration_6_2_2021_To_6_2_2021_OLHTDSoDBky5s04Ino6l_w"
      id="Tc_fJooe-SppUKhPl0nUiPD3w_2_1">ARCB</dei:TradingSymbol>
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      id="Tc_Rxnx4FM200Kg0eLjwj7C_Q_2_2">NASDAQ</dei:SecurityExchangeName>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
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</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139772583927960">
<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>Jun. 02, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</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="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun.  02,  2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ARCBEST CORPORATION<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">0-19969<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">71-0673405<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">8401 McClure 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="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Fort Smith<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">AR<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">72916<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">479<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">785-6000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</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="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</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="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement 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="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer 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="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock $0.01 Par Value<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">ARCB<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</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="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000894405<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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_CoverAbstract</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: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_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.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="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.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="top.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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.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="top.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>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.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="top.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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Balance Type:</strong></td>
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<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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.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> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<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="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.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="top.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="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">dei_WrittenCommunications</td>
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<td>na</td>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
