Fair Value Measurement - Additional Information (Details) - Designated as Hedging Instrument [Member] - USD ($) |
May 31, 2018 |
Jun. 30, 2018 |
Dec. 31, 2017 |
Jun. 30, 2017 |
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| Level 2 [Member] | ||||
| Derivatives Details | ||||
| Derivative Asset | $ 500,000 | $ 1,400,000 | $ 700,000 | |
| Interest Rate Swap May 2018 [Member] | ||||
| Derivatives Details | ||||
| Interest rate swap initial notional amount | $ 150,000,000 | |||
| Maturity date | May 31, 2023 | |||
| Cash flow hedge fixed rate | 2.76% | |||
| Number of interest rate swap | 2 |
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- Definition 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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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fixed interest rate related to the interest rate derivative. No definition available.
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- Definition Date the derivative contract matures, in CCYY-MM-DD format. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of interest rate derivative instruments held by the entity at the reporting date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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