Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value of all asset derivatives designated as cash flow hedging instruments.

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Fair value of all liability derivatives designated as cash flow hedging instruments.

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Derivative Financial Instruments - Summary of Aggregate Amount and Estimated Net Fair Value of Derivative Instruments (Detail) - USD ($)	Sep. 30, 2016	Jun. 24, 2016	Dec. 31, 2015	Sep. 30, 2015
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount	$ 350,000,000		$ 200,000,000
Derivative assets, Estimated Fair Value			24,000
Fair Value of Assets			24,000
Fair Value of Liabilities	(696,000)
Interest Rate Swap
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount	150,000,000
Cash Flow Hedge
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount	150,000,000		200,000,000
Fair Value of Assets			24,000
Fair Value of Liabilities	(696,000)
Cash Flow Hedge \| Interest Rate Swap
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount	150,000,000	$ 150,000,000
Fair Value of Liabilities	(696,000)
Cash Flow Hedge \| Interest Rate Cap
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount			200,000,000	$ 200,000,000
Fair Value of Assets			$ 24,000
Freestanding Derivatives \| Interest Rate Cap
Derivative Instruments Gain Loss [Line Items]
Derivative, notional amount	$ 200,000,000