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Long Term Debt - Summary of Company's Interest Rate Swap Agreements Designated as Cash Flow Hedges (Detail) - Designated as Hedging Instrument - Cash Flow Hedging $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |
Estimated Fair Value | $ 15,995 | [1]
Interest Rate Swap Agreement 1 |  |
Debt Instrument [Line Items] |  |
Notional Amount | $ 175,000 |
Effective Date | Dec. 31, 2018 |
Pay Rate | 2.751% |
Receive Rate | 1-Month LIBOR |
Expiration Date | Dec. 31, 2022 |
Estimated Fair Value | $ 6,213 | [1]
Interest Rate Swap Agreement 2 |  |
Debt Instrument [Line Items] |  |
Notional Amount | $ 137,500 |
Effective Date | Dec. 31, 2018 |
Pay Rate | 2.765% |
Receive Rate | 1-Month LIBOR |
Expiration Date | Dec. 31, 2022 |
Estimated Fair Value | $ 4,956 | [1]
Interest Rate Swap Agreement 3 |  |
Debt Instrument [Line Items] |  |
Notional Amount | $ 137,500 |
Effective Date | Dec. 31, 2018 |
Pay Rate | 2.746% |
Receive Rate | 1-Month LIBOR |
Expiration Date | Dec. 31, 2022 |
Estimated Fair Value | $ 4,826 | [1]
[1] | Approximately $5,253 is included in accrued other current liabilities and $10,742 is included in other long-term liabilities on the consolidated balance sheet as of December 31, 2019.

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- Definition Date the entity entered into the derivative contract, in CCYY-MM-DD format. + References No definition available. + Details
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