Acquisitions, Dispositions and Mortgage Repayments - Dispositions (Details) $ in Thousands																																		12 Months Ended
	Dec. 29, 2023 USD ($) ft² disposition_transaction property	Dec. 28, 2023 USD ($) ft²	Dec. 27, 2023 USD ($) ft²	Dec. 22, 2023 USD ($) ft² property disposition_transaction	Dec. 21, 2023 USD ($) ft²	Dec. 20, 2023 USD ($) ft²	Dec. 15, 2023 USD ($) ft²	Dec. 01, 2023 USD ($) ft²	Nov. 13, 2023 USD ($) ft² disposition_transaction property	Sep. 27, 2023 USD ($) ft²	Sep. 18, 2023 USD ($) ft²	Sep. 15, 2023 USD ($) ft²	Aug. 22, 2023 USD ($) ft²	Aug. 02, 2023 USD ($) ft²	Jun. 30, 2023 USD ($) ft²	May 12, 2023 USD ($) ft² a	Mar. 30, 2023 USD ($) ft²	Mar. 23, 2023 USD ($) ft²	Feb. 10, 2023 USD ($) ft²	Jan. 30, 2023 USD ($) ft²	Jan. 12, 2023 USD ($) ft² property disposition_transaction	Dec. 28, 2022 USD ($) ft²	Dec. 22, 2022 USD ($) ft² property	Nov. 10, 2022 USD ($) ft²	Oct. 21, 2022 USD ($) ft²	Oct. 04, 2022 USD ($) ft² property	Aug. 31, 2022 USD ($) ft² property	Aug. 30, 2022 USD ($) ft² property	Aug. 05, 2022 USD ($) ft² property	Aug. 04, 2022 USD ($) ft² property	Jul. 29, 2022 USD ($) ft² property	Apr. 15, 2022 USD ($) ft² property	Feb. 24, 2022 USD ($) ft² property	Dec. 31, 2023 USD ($) ft² property	Dec. 31, 2022 USD ($) ft²
Real Estate Dispositions [Line Items]
SALES PRICE																																			$ 1,242,218
CLOSING ADJUSTMENTS																																			(45,666)
NET PROCEEDS																																			1,196,552
NET REAL ESTATE INVESTMENT																																			939,363
OTHER (INCLUDING RECEIVABLES)																																			14,225
GAIN/ (IMPAIRMENT)																																			$ 242,964
SQUARE FOOTAGE unaudited \| ft²																																			3,069,124
Number of owned real estate properties \| property																																		655
Tampa FL & Miami FL
Real Estate Dispositions [Line Items]
SALES PRICE																					$ 93,250
CLOSING ADJUSTMENTS																					(5,875)
COMPANY-FINANCED NOTES																					0
NET PROCEEDS																					87,375
NET REAL ESTATE INVESTMENT																					87,302
OTHER (INCLUDING RECEIVABLES)																					(888)
GAIN/ (IMPAIRMENT)																					$ 961
SQUARE FOOTAGE unaudited \| ft²																					224,037
Number of owned real estate properties \| property																					2
Number of Property Dispositions \| disposition_transaction																					2
Dallas, TX
Real Estate Dispositions [Line Items]
SALES PRICE						$ 43,295						$ 115,000								$ 19,210						$ 104,025		$ 114,290
CLOSING ADJUSTMENTS						(764)						(1,504)								(141)						(5,883)		(682)
COMPANY-FINANCED NOTES						0						0								0
NET PROCEEDS						42,531						113,496								19,069						98,142		113,608
NET REAL ESTATE INVESTMENT						33,882						64,183								18,986						38,872		113,608
OTHER (INCLUDING RECEIVABLES)						(3,782)						6,094								43						6,436		0
GAIN/ (IMPAIRMENT)						$ 12,431						$ 43,219								$ 40						$ 52,834		$ 0
SQUARE FOOTAGE unaudited \| ft²						77,827						161,264								36,691						291,328		189,385
Joint venture, ownership (in percentage)																				40.00%								40.00%
Number of buildings acquired \| property																										2		6
Values and square feet, represented percentage (in percent)																												100.00%
St. Louis, MO
Real Estate Dispositions [Line Items]
SALES PRICE																			$ 350			$ 18,000
CLOSING ADJUSTMENTS																			(18)			(1,471)
COMPANY-FINANCED NOTES																			0
NET PROCEEDS																			332			16,529
NET REAL ESTATE INVESTMENT																			398			18,340
OTHER (INCLUDING RECEIVABLES)																			0			4
GAIN/ (IMPAIRMENT)																			$ (66)			$ (1,815)
SQUARE FOOTAGE unaudited \| ft²																			6,500			69,394
Los Angeles, CA
Real Estate Dispositions [Line Items]
SALES PRICE					$ 19,000											$ 3,300	$ 75,000	$ 21,000											$ 134,845
CLOSING ADJUSTMENTS					(1,311)											(334)	(8,079)	(526)											(3,102)
COMPANY-FINANCED NOTES					0											0	(45,000)	0
NET PROCEEDS					17,689											2,966	21,921	20,474											131,743
NET REAL ESTATE INVESTMENT					17,787											3,268	88,624	20,610											131,332
OTHER (INCLUDING RECEIVABLES)					0											0	(803)	52											411
GAIN/ (IMPAIRMENT)					$ (98)											$ (302)	$ (20,900)	$ (188)											$ 0
SQUARE FOOTAGE unaudited \| ft²					104,377											0	147,078	37,165											283,780
Joint venture, ownership (in percentage)																													20.00%
Mortgage Note																	$ 45,000
Area of land \| a																0.34
Number of buildings acquired \| property																													4
Values and square feet, represented percentage (in percent)																													100.00%
Albany, NY
Real Estate Dispositions [Line Items]
SALES PRICE															$ 10,000
CLOSING ADJUSTMENTS															(1,229)
COMPANY-FINANCED NOTES															0
NET PROCEEDS															8,771
NET REAL ESTATE INVESTMENT															2,613
OTHER (INCLUDING RECEIVABLES)															(1,040)
GAIN/ (IMPAIRMENT)															$ 7,198
SQUARE FOOTAGE unaudited \| ft²															40,870
Houston, TX
Real Estate Dispositions [Line Items]
SALES PRICE								$ 4,100			$ 250			$ 8,320											$ 32,000
CLOSING ADJUSTMENTS								(6)			(24)			(285)											(280)
COMPANY-FINANCED NOTES								0			0			0
NET PROCEEDS								4,094			226			8,035											31,720
NET REAL ESTATE INVESTMENT								3,486			1,998			4,567											10,762
OTHER (INCLUDING RECEIVABLES)								0			0			194											744
GAIN/ (IMPAIRMENT)								$ 608			$ (1,772)			$ 3,274											$ 20,214
SQUARE FOOTAGE unaudited \| ft²								83,223			52,040			57,170											134,910
Atlanta, GA
Real Estate Dispositions [Line Items]
SALES PRICE													$ 25,140										$ 91,243
CLOSING ADJUSTMENTS													(66)										(4,326)
COMPANY-FINANCED NOTES													0
NET PROCEEDS													25,074										86,917
NET REAL ESTATE INVESTMENT													23,226										109,051
OTHER (INCLUDING RECEIVABLES)													(536)										235
GAIN/ (IMPAIRMENT)													$ 2,386										$ (22,369)
SQUARE FOOTAGE unaudited \| ft²													55,195										348,416
Number of buildings acquired \| property																							9
Chicago, IL
Real Estate Dispositions [Line Items]
SALES PRICE										$ 59,950
CLOSING ADJUSTMENTS										(870)
COMPANY-FINANCED NOTES										0
NET PROCEEDS										59,080
NET REAL ESTATE INVESTMENT										74,710
OTHER (INCLUDING RECEIVABLES)										(380)
GAIN/ (IMPAIRMENT)										$ (15,250)
SQUARE FOOTAGE unaudited \| ft²										104,912
Evansville, IN
Real Estate Dispositions [Line Items]
SALES PRICE									$ 18,500
CLOSING ADJUSTMENTS									(63)
COMPANY-FINANCED NOTES									0
NET PROCEEDS									18,437
NET REAL ESTATE INVESTMENT									17,807
OTHER (INCLUDING RECEIVABLES)									(149)
GAIN/ (IMPAIRMENT)									$ 779
SQUARE FOOTAGE unaudited \| ft²									260,520
Number of owned real estate properties \| property									5
Number of Property Dispositions \| disposition_transaction									3
Charleston, SC
Real Estate Dispositions [Line Items]
SALES PRICE							$ 6,200
CLOSING ADJUSTMENTS							(401)
COMPANY-FINANCED NOTES							0
NET PROCEEDS							5,799
NET REAL ESTATE INVESTMENT							3,415
OTHER (INCLUDING RECEIVABLES)							0
GAIN/ (IMPAIRMENT)							$ 2,384
SQUARE FOOTAGE unaudited \| ft²							15,014
Joint venture, ownership (in percentage)							100.00%
Tucson, AZ
Real Estate Dispositions [Line Items]
SALES PRICE				$ 43,230
CLOSING ADJUSTMENTS				(3,770)
COMPANY-FINANCED NOTES				(6,000)
NET PROCEEDS				33,460
NET REAL ESTATE INVESTMENT				39,786
OTHER (INCLUDING RECEIVABLES)				(26)
GAIN/ (IMPAIRMENT)				$ (300)
SQUARE FOOTAGE unaudited \| ft²				215,471
Number of owned real estate properties \| property				12
Number of Property Dispositions \| disposition_transaction				1
Mortgage Note				$ 6,000
Miami, FL
Real Estate Dispositions [Line Items]
SALES PRICE				18,250
CLOSING ADJUSTMENTS				(756)
COMPANY-FINANCED NOTES				0
NET PROCEEDS				17,494
NET REAL ESTATE INVESTMENT				17,354
OTHER (INCLUDING RECEIVABLES)				643
GAIN/ (IMPAIRMENT)				$ (503)
SQUARE FOOTAGE unaudited \| ft²				48,000
Sebring, FL
Real Estate Dispositions [Line Items]
SALES PRICE			$ 9,500
CLOSING ADJUSTMENTS			(81)
COMPANY-FINANCED NOTES			0
NET PROCEEDS			9,419
NET REAL ESTATE INVESTMENT			10,438
OTHER (INCLUDING RECEIVABLES)			(512)
GAIN/ (IMPAIRMENT)			$ (507)
SQUARE FOOTAGE unaudited \| ft²			38,949
Boston, MA
Real Estate Dispositions [Line Items]
SALES PRICE		$ 117,197
CLOSING ADJUSTMENTS		(2,079)
COMPANY-FINANCED NOTES		0
NET PROCEEDS		115,118
NET REAL ESTATE INVESTMENT		107,803
OTHER (INCLUDING RECEIVABLES)		9,828
GAIN/ (IMPAIRMENT)		$ (2,513)
SQUARE FOOTAGE unaudited \| ft²		161,254
Jacksonville/Orlando/Miami, FL
Real Estate Dispositions [Line Items]
SALES PRICE	$ 77,000
CLOSING ADJUSTMENTS	(8,678)
COMPANY-FINANCED NOTES	(7,700)
NET PROCEEDS	60,622
NET REAL ESTATE INVESTMENT	65,839
OTHER (INCLUDING RECEIVABLES)	(294)
GAIN/ (IMPAIRMENT)	$ 2,777
SQUARE FOOTAGE unaudited \| ft²	354,500
Number of owned real estate properties \| property	3
Number of Property Dispositions \| disposition_transaction	1
Mortgage Note	$ 7,700
Loveland, CO
Real Estate Dispositions [Line Items]
SALES PRICE																																	$ 84,950
CLOSING ADJUSTMENTS																																	(45)
NET PROCEEDS																																	84,905
NET REAL ESTATE INVESTMENT																																	40,095
OTHER (INCLUDING RECEIVABLES)																																	4
GAIN/ (IMPAIRMENT)																																	$ 44,806
SQUARE FOOTAGE unaudited \| ft²																																	150,291
Number of buildings acquired \| property																																	2
San Antonio, TX
Real Estate Dispositions [Line Items]
SALES PRICE																																$ 25,500
CLOSING ADJUSTMENTS																																(2,272)
NET PROCEEDS																																23,228
NET REAL ESTATE INVESTMENT																																14,381
OTHER (INCLUDING RECEIVABLES)																																284
GAIN/ (IMPAIRMENT)																																$ 8,563
SQUARE FOOTAGE unaudited \| ft²																																201,523
Number of buildings acquired \| property																																2
GA, FL, PA
Real Estate Dispositions [Line Items]
SALES PRICE																															$ 133,100
CLOSING ADJUSTMENTS																															(8,109)
NET PROCEEDS																															124,991
NET REAL ESTATE INVESTMENT																															124,991
OTHER (INCLUDING RECEIVABLES)																															0
GAIN/ (IMPAIRMENT)																															$ 0
SQUARE FOOTAGE unaudited \| ft²																															316,739
Number of buildings acquired \| property																															4
GA, FL, TX
Real Estate Dispositions [Line Items]
SALES PRICE																														$ 160,917
CLOSING ADJUSTMENTS																														(5,893)
NET PROCEEDS																														155,024
NET REAL ESTATE INVESTMENT																														151,819
OTHER (INCLUDING RECEIVABLES)																														3,205
GAIN/ (IMPAIRMENT)																														$ 0
SQUARE FOOTAGE unaudited \| ft²																														343,545
Number of buildings acquired \| property																														6
Indianapolis, IN
Real Estate Dispositions [Line Items]
SALES PRICE																											$ 238,845
CLOSING ADJUSTMENTS																											(5,846)
NET PROCEEDS																											232,999
NET REAL ESTATE INVESTMENT																											84,767
OTHER (INCLUDING RECEIVABLES)																											4,324
GAIN/ (IMPAIRMENT)																											$ 143,908
SQUARE FOOTAGE unaudited \| ft²																											506,406
Number of buildings acquired \| property																											5
Number of properties acquired in the merger \| property																											2
College Station, TX
Real Estate Dispositions [Line Items]
SALES PRICE																								$ 49,177
CLOSING ADJUSTMENTS																								(3,755)
NET PROCEEDS																								45,422
NET REAL ESTATE INVESTMENT																								44,918
OTHER (INCLUDING RECEIVABLES)																								475
GAIN/ (IMPAIRMENT)																								$ 28
SQUARE FOOTAGE unaudited \| ft²																								122,942
El Paso, TX
Real Estate Dispositions [Line Items]
SALES PRICE																							$ 55,326
CLOSING ADJUSTMENTS																							(4,002)
NET PROCEEDS																							51,324
NET REAL ESTATE INVESTMENT																							56,427
OTHER (INCLUDING RECEIVABLES)																							(1,897)
GAIN/ (IMPAIRMENT)																							$ (3,205)
SQUARE FOOTAGE unaudited \| ft²																							110,465
Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																																		$ 787,042
CLOSING ADJUSTMENTS																																		(36,860)
COMPANY-FINANCED NOTES																																		(58,700)
NET PROCEEDS																																		691,482
NET REAL ESTATE INVESTMENT																																		708,082
OTHER (INCLUDING RECEIVABLES)																																		8,444
GAIN/ (IMPAIRMENT)																																		$ 33,658
SQUARE FOOTAGE unaudited \| ft²																																		2,282,057