Derivative Financial Instruments (Interest Rate Cap Derivative Summary) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Interest Rate Cap, $100 million, March 2017 | Not Designated as Hedging Instrument
Interest Rate Cap Derivative Summary [Line Items]
Derivative, maturity date	Mar. 21, 2017
Notional amount	$ 100,000
Fair Value as of End of Period	$ 1
Interest Rate Cap, $75 million, November 2016 | Not Designated as Hedging Instrument
Interest Rate Cap Derivative Summary [Line Items]
Derivative, maturity date	Nov. 16, 2016
Notional amount	$ 75,000
Fair Value as of End of Period	0
Total Interest Rate Cap
Interest Rate Cap Derivative Summary [Line Items]
Notional amount	265,000
Fair Value as of End of Period	$ 18
Cash Flow Hedging | Interest Rate Cap, $50 million, September 2017 | Designated as Hedging Instrument
Interest Rate Cap Derivative Summary [Line Items]
Derivative, maturity date	Sep. 15, 2017
Notional amount	$ 50,000
Fair Value as of End of Period	$ 9
Cash Flow Hedging | Interest Rate Cap, $40 million, September 2017 | Designated as Hedging Instrument
Interest Rate Cap Derivative Summary [Line Items]
Derivative, maturity date	Sep. 30, 2017
Notional amount	$ 40,000
Fair Value as of End of Period	8
Cash Flow Hedging | Total Interest Rate Cap | Designated as Hedging Instrument
Interest Rate Cap Derivative Summary [Line Items]
Notional amount	90,000
Fair Value as of End of Period	$ 17