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Derivative Financial Instruments - Summary of Aggregate Amount and Estimated Net Fair Value of Derivative Instruments (Detail) - USD ($) | Jun. 30, 2016 | Jun. 24, 2016 | Dec. 31, 2015
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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 | (1,163,000) |  |
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 | (1,163,000) |  |
Cash Flow Hedge | Interest Rate Swap |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Derivative, notional amount | 150,000,000 |  |
Fair Value of Liabilities | (1,163,000) |  |
Cash Flow Hedge | Interest Rate Cap |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Derivative, notional amount | 200,000,000 | $ 150,000,000 | 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 |  |

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