Revenue - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Tenant accounts receivable	$ 71,172	$ 66,274
ASU 2014-09 [Member]
Disaggregation of Revenue [Line Items]
Accounts receivable related to tenant construction projects	8,100	9,600
Contract assets	0	0
Contract liabilities	0	0
ASU 2014-09 [Member] | Various GSA - Buffalo Property [Member] | Parking Garage [Member]
Disaggregation of Revenue [Line Items]
Tenant accounts receivable	100	100
Total revenues	$ 500	$ 500	$ 400