v3.7.0.1
Supplemental Cash Flow Disclosures - Additional Information (Detail)
shares in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Property
shares
Jun. 30, 2016
USD ($)
shares
Supplemental Cash Flow Elements [Line Items]    
Interest paid $ 15,457 $ 13,518
State income and franchise taxes paid $ 649 $ 253
Issuance of shares of common stock, shares | shares 2,169 1,864
Issuance of membership units, number of units | shares 103 97
Issuance of membership units in the operating company in exchange for property contributed in UPREIT transaction, value $ 8,278 $ 7,190
Dividend declared and accrued but not yet paid $ 7,630 $ 5,967
Number of properties damaged by fire | Property 3  
Insurance recovery receivables $ 2,857  
Distribution Reinvestment Plan    
Supplemental Cash Flow Elements [Line Items]    
Issuance of shares of common stock, shares | shares 241 182
Common stock issued $ 18,592 $ 13,201