Acquisitions, Dispositions and Mortgage Repayments - Dispositions (Details) $ in Thousands																						3 Months Ended	12 Months Ended
	Dec. 28, 2022 USD ($) ft²	Dec. 22, 2022 USD ($) ft²	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. 23, 2021 USD ($) ft²	Dec. 22, 2021 USD ($) ft²	Dec. 08, 2021 USD ($) ft² property	Oct. 28, 2021 USD ($) ft²	Jul. 09, 2021 USD ($) ft² property	May 19, 2021 USD ($) ft² property	May 18, 2021 USD ($) ft²	Apr. 21, 2021 USD ($) ft²	Mar. 11, 2021 USD ($) ft²	Jun. 30, 2021 property	Dec. 31, 2022 USD ($) ft² property	Dec. 31, 2021 USD ($) ft² property	Apr. 12, 2021 USD ($)
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
Purchase price																							$ 5,576,463	$ 8,900
Number of properties sold | property																							12	5
Number of land parcels held for development | property																							20	7
Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																								$ 188,400
CLOSING ADJUSTMENTS																								(4,229)
NET PROCEEDS																								184,171
NET REAL ESTATE INVESTMENT																								132,356
OTHER including receivables																								7,981
GAIN/ (IMPAIRMENT)																								$ 43,834
SQUARE FOOTAGE unaudited | ft²																								847,002
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
Los Angeles, CA
Real Estate Dispositions [Line Items]
SALES PRICE								$ 134,845
CLOSING ADJUSTMENTS								(3,102)
NET PROCEEDS								131,743
NET REAL ESTATE INVESTMENT								131,332
OTHER including receivables								411
GAIN/ (IMPAIRMENT)								$ 0
SQUARE FOOTAGE unaudited | ft²								283,780
Number of buildings acquired | property								4
Values and square feet, represented percentage (in percent)								100.00%
Joint venture, ownership (in percentage)								20.00%
Los Angeles, CA | Real Estate Dispositions
Real Estate Dispositions [Line Items]
Number of properties sold | property																						2
Dallas, TX
Real Estate Dispositions [Line Items]
SALES PRICE					$ 104,025		$ 114,290
CLOSING ADJUSTMENTS					(5,883)		(682)
NET PROCEEDS					98,142		113,608
NET REAL ESTATE INVESTMENT					38,872		113,608
OTHER including receivables					6,436		0
GAIN/ (IMPAIRMENT)					$ 52,834		$ 0
SQUARE FOOTAGE unaudited | ft²					291,328		189,385
Number of buildings acquired | property					2		6
Values and square feet, represented percentage (in percent)							100.00%
Joint venture, ownership (in percentage)							40.00%
Dallas, TX | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE													$ 800				$ 23,000
CLOSING ADJUSTMENTS													(103)				(1,117)
NET PROCEEDS													697				21,883
NET REAL ESTATE INVESTMENT													712				18,733
OTHER including receivables													167				1,966
GAIN/ (IMPAIRMENT)													$ (182)				$ 1,184
SQUARE FOOTAGE unaudited | ft²													13,818				190,160
Number of properties sold | property																	4
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
Los Angeles, CA | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																					$ 26,000
CLOSING ADJUSTMENTS																					(555)
NET PROCEEDS																					25,445
NET REAL ESTATE INVESTMENT																					6,046
OTHER including receivables																					509
GAIN/ (IMPAIRMENT)																					$ 18,890
SQUARE FOOTAGE unaudited | ft²																					73,906
Atlanta, GA
Real Estate Dispositions [Line Items]
SALES PRICE		$ 91,243
CLOSING ADJUSTMENTS		(4,326)
NET PROCEEDS		86,917
NET REAL ESTATE INVESTMENT		109,051
OTHER including receivables		235
GAIN/ (IMPAIRMENT)		$ (22,369)
SQUARE FOOTAGE unaudited | ft²		348,416
Number of buildings acquired | property																							9	2
Atlanta, GA | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																				$ 8,050
CLOSING ADJUSTMENTS																				(272)
NET PROCEEDS																				7,778
NET REAL ESTATE INVESTMENT																				5,675
OTHER including receivables																									$ 151
GAIN/ (IMPAIRMENT)																				$ 1,952
SQUARE FOOTAGE unaudited | ft²																				19,732
Richmond, VA | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																			$ 52,000
CLOSING ADJUSTMENTS																			(314)
NET PROCEEDS																			51,686
NET REAL ESTATE INVESTMENT																			29,414
OTHER including receivables																			3,270
GAIN/ (IMPAIRMENT)																			$ 19,002
SQUARE FOOTAGE unaudited | ft²																			142,856
Gadsden, AL | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																		$ 5,500
CLOSING ADJUSTMENTS																		(280)
NET PROCEEDS																		5,220
NET REAL ESTATE INVESTMENT																		5,914
OTHER including receivables																		175
GAIN/ (IMPAIRMENT)																		$ (869)
SQUARE FOOTAGE unaudited | ft²																		120,192
Number of properties sold | property																		3
Chicago, IL | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE																$ 13,300
CLOSING ADJUSTMENTS																(388)
NET PROCEEDS																12,912
NET REAL ESTATE INVESTMENT																23,213
OTHER including receivables																706
GAIN/ (IMPAIRMENT)																$ (11,007)
SQUARE FOOTAGE unaudited | ft²																95,436
Des Moines, IA | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE															$ 47,000
CLOSING ADJUSTMENTS															(901)
NET PROCEEDS															46,099
NET REAL ESTATE INVESTMENT															32,312
OTHER including receivables															1,037
GAIN/ (IMPAIRMENT)															$ 12,750
SQUARE FOOTAGE unaudited | ft²															132,617
Number of properties sold | property															3
Number of land parcels held for development | property																	2
Aberdeen, SD | Real Estate Dispositions
Real Estate Dispositions [Line Items]
SALES PRICE														$ 12,750
CLOSING ADJUSTMENTS														(299)
NET PROCEEDS														12,451
NET REAL ESTATE INVESTMENT														10,337
OTHER including receivables														0
GAIN/ (IMPAIRMENT)														$ 2,114
SQUARE FOOTAGE unaudited | ft²														58,285
Houston, TX
Real Estate Dispositions [Line Items]
SALES PRICE				$ 32,000
CLOSING ADJUSTMENTS				(280)
NET PROCEEDS				31,720
NET REAL ESTATE INVESTMENT				10,762
OTHER including receivables				744
GAIN/ (IMPAIRMENT)				$ 20,214
SQUARE FOOTAGE unaudited | ft²				134,910
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
St. Louis, MO
Real Estate Dispositions [Line Items]
SALES PRICE	$ 18,000
CLOSING ADJUSTMENTS	(1,471)
NET PROCEEDS	16,529
NET REAL ESTATE INVESTMENT	18,340
OTHER including receivables	4
GAIN/ (IMPAIRMENT)	$ (1,815)
SQUARE FOOTAGE unaudited | ft²	69,394