Quarterly report pursuant to Section 13 or 15(d)

Organization - Summary of Disaggregated Revenues (Detail)

v3.19.1
Organization - Summary of Disaggregated Revenues (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disaggregation Of Revenue [Line Items]    
Rental income $ 124,146 $ 121,624
Operating revenues other than rental income 12,376 11,470
Total operating revenues 136,522 133,094
Management and Acquisition Fee Income [Member]    
Disaggregation Of Revenue [Line Items]    
Operating revenues other than rental income 3,086 2,395
Revenues Related to Tenant Reinsurance [Member]    
Disaggregation Of Revenue [Line Items]    
Operating revenues other than rental income 5,815 5,717
Other Operating Income [Member]    
Disaggregation Of Revenue [Line Items]    
Operating revenues other than rental income $ 3,475 $ 3,358