Annual report pursuant to Section 13 and 15(d)

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

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Schedule III - Real Estate and Accumulated Depreciation - Change in Balance of Real Estate (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
Balance at beginning of period $ 1,140,205 $ 1,064,389 $ 949,822
Additions:      
Acquisitions during period 85,169 111,049 108,972
Improvements 14,495 11,696 10,580
Deductions:      
Dispositions during period (14,611) (43,383) (3,172)
Impairments during period 0 (3,546) (1,813)
Balance at end of period $ 1,225,258 $ 1,140,205 $ 1,064,389