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Disposition of Properties (Details) $ in Thousands						3 Months Ended		9 Months Ended
	Aug. 31, 2022 USD ($) property	Sep. 23, 2021 USD ($) property	Aug. 31, 2021 USD ($)	Jun. 29, 2021 USD ($)	May 27, 2021 USD ($) property	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Dispositions of properties
Gain (loss) on sale of property						$ 24,077	$ 8,632	$ 24,077	$ 29,258
Operating results for discontinued operations:
Rental revenue						2,078	5,959	8,581	30,598
Rental operating expenses						(580)	(1,558)	(2,460)	(8,779)
Real estate taxes and insurance						(569)	(742)	(2,145)	(5,440)
Depreciation and amortization						(783)	(1,951)	(3,139)	(9,595)
Net income (loss) from discontinued operations						$ 146	$ 1,708	$ 837	$ 6,784
Office properties in Broomfield, Colorado
Dispositions of properties
Number of properties sold | property	2
Gain (loss) on sale of property	$ 24,100
Sale price	$ 102,500
Office Properties in Atlanta, Georgia
Dispositions of properties
Number of properties sold | property					3
Gain (loss) on sale of property					$ 22,700
Sale price					$ 219,500
Office Property in Dulles, Virginia
Dispositions of properties
Gain (loss) on sale of property				$ 2,100
Office property in Indianapolis, Indiana
Dispositions of properties
Gain (loss) on sale of property			$ (1,700)
Sale price			$ 35,000
Office properties in Chesterfield, MO
Dispositions of properties
Number of properties sold | property		2
Gain (loss) on sale of property		$ 10,300
Sale price		$ 67,000

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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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