Derivative Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivatives recorded losses during the period	$ 659,000.0	$ 0.0	$ 1,600,000	$ 0.0
Interest Rate Caps [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from other accumulated comprehensive income as increase to interest expense			1,600,000
Cash flow hedge ineffectiveness	$ 0	$ 0	$ 0	$ 0