Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Reconciliation of Noncontrolling Interests (Detail)

v3.10.0.1
Summary of Significant Accounting Policies - Summary of Reconciliation of Noncontrolling Interests (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Redeemable Noncontrolling Interest Equity Fair Value [Abstract]      
Noncontrolling interest, beginning balance $ 19,373 $ 18,091  
Redemption of units (344)    
Issuance of units 3,547    
Net income attributable to noncontrolling interests in Operating Partnership 968 444 $ 398
Distributions (865) (859)  
Adjustment to redemption value 1,037 1,697  
Noncontrolling interest, ending balance $ 23,716 $ 19,373 $ 18,091