Commitments and Contingencies (Details) ft² in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) ft² commitment	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) ft² commitment	Jun. 30, 2021 USD ($)
Loss Contingencies [Line Items]
Number of unrecorded tenant allowance commitments | commitment	1		1
Unrecorded tenant allowance commitment	$ 13,300,000		$ 13,300,000
Unrecorded tenant allowance renewal term			20 years
Unrecorded tenant allowance expansion area (in sq. ft) | ft²	520		520
1180 Peachtree Street Building
Loss Contingencies [Line Items]
Net purchase price	$ 465,000,000
Asset acquisition, mortgage assumed	$ 197,000,000		$ 197,000,000
Asset acquisition, mortgage assumed, percentage	4.10%		4.10%
Collectibility of Tenant Reimbursements
Loss Contingencies [Line Items]
Reductions in reimbursement revenues	$ 0	$ 0	$ 0	$ 0