v3.7.0.1
Interest Rate Swaps - Summary of Fair Value of Interest Rate Swaps (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Derivative Instrument Detail [Abstract]    
Interest rate swap, assets $ 7,781 $ 9,598
Interest rate swap, liabilities (7,691) (10,217)
Interest rate derivatives, at fair value, net $ 90 $ (619)