Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Schedule III - Real Estate and Accumulated Depreciation - Change in Balance of Real Estate (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 [Roll Forward]      
Balance at beginning of period $ 1,064,389 $ 949,822 $ 906,850
Additions:      
Acquisitions during period 111,049 108,972 53,432
Improvements 11,696 10,580 4,824
Deductions:      
Dispositions during period (43,383) (3,172) (15,284)
Impairments during period (3,546) (1,813) 0
Balance at end of period $ 1,140,205 $ 1,064,389 $ 949,822