Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Feb. 25, 2016	Dec. 31, 2015
Derivatives
Interest rate agreement, notional amount	$ 275,547		$ 303,639
Interest Rate Caps
Derivatives
Interest rate agreement, notional amount	$ 218,500		$ 246,546
LIBOR | Interest Rate Caps | Operating Partnership
Derivatives
Interest rate agreement, notional amount		$ 75,000
Interest rate cap agreement, strike price		1.50%
LIBOR | Interest Rate Caps | Operating Partnership | Maximum
Derivatives
Interest rate cap agreement, premium		$ 100