Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Lease revenues	$ 51,921	$ 46,535	$ 146,440	$ 149,850
Rental revenues	53,729	48,950	152,768	156,491
Parking revenue
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,189	1,207	3,582	3,215
Tenant services
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 619	$ 1,208	$ 2,746	$ 3,426