Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Lease revenues	$ 47,711	$ 48,904	$ 94,519	$ 103,315
Rental revenues	49,824	51,388	99,039	107,541
Parking revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,165	1,212	2,393	2,008
Tenant services
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 948	$ 1,272	$ 2,127	$ 2,218