Annual report pursuant to Section 13 and 15(d)

Schedule III - Real Estate and Accumulated Depreciation - Change in Balance of Accumulated Depreciation (Detail)

v3.20.4
Schedule III - Real Estate and Accumulated Depreciation - Change in Balance of Accumulated Depreciation (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
Balance at beginning of period $ 210,944 $ 178,475 $ 153,387
Additions during period 36,034 32,838 29,915
Dispositions during period (15,102) (369) (4,827)
Balance at end of period $ 231,876 $ 210,944 $ 178,475