The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Amount of gain (loss) on termination of lease before expiration of lease term.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Real Estate - Dispositions of Real Estate (Details) - USD ($) $ in Thousands													3 Months Ended				12 Months Ended
	Dec. 20, 2023	Dec. 15, 2023	Aug. 16, 2023	Jun. 30, 2023	Jun. 08, 2023	May 15, 2023	May 09, 2023	Mar. 02, 2023	Feb. 16, 2023	Jan. 06, 2023	Dec. 27, 2022	Aug. 26, 2022	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023
Real Estate [Line Items]
Gross Proceeds											$ 170,400	$ 1,100,000	$ 27,225	$ 8,300	$ 130,800	$ 169,600	$ 335,925
Gain (Loss)													$ 4,507	$ 3,748	$ (9,701)	$ 30,610	$ 29,164
Irvine, CA
Real Estate [Line Items]
Gross Proceeds										$ 40,000
Gain (Loss)										$ 18,690
Clinton, SC
Real Estate [Line Items]
Gross Proceeds									$ 19,300
Gain (Loss)									$ 7,109
Herndon, VA
Real Estate [Line Items]
Gross Proceeds								$ 110,300
Gain (Loss)								$ 4,811
Lone Tree, CO
Real Estate [Line Items]
Gross Proceeds							$ 5,600
Gain (Loss)							$ (275)
Houston, TX
Real Estate [Line Items]
Gross Proceeds		$ 5,825				$ 62,300
Gain (Loss)		$ 2,014				$ (5,024)
Greenwood Village, CO
Real Estate [Line Items]
Gross Proceeds					$ 5,000
Gain (Loss)					$ (5,228)
Andover, MA
Real Estate [Line Items]
Gross Proceeds				$ 23,700
Gain (Loss)				122
Andover, MA
Real Estate [Line Items]
Gross Proceeds				34,200
Gain (Loss)				$ 704
Rancho Cordova, CA
Real Estate [Line Items]
Gross Proceeds			$ 8,300
Gain (Loss)			$ 3,748
Tyler, TX
Real Estate [Line Items]
Gross Proceeds	$ 21,400
Gain (Loss)	2,493
Termination fee received	$ 21,400