Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Liabilities (Details) - USD ($) $ in Thousands |
Apr. 22, 2018 |
Dec. 31, 2017 |
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| Carrying value | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Capital lease obligations | $ 10,754 | $ 10,938 |
| Estimated Fair Value | Level 2 | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Capital lease obligations | $ 11,055 | $ 11,563 |
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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