Long Term Debt - Term Loan Interest Expense (Details) - Term loan - BT Term Loan $ in Thousands	6 Months Ended
Jun. 30, 2019 USD ($)
Debt Instrument [Line Items]
Interest expense - stated interest rate	$ 393
Interest expense - amortization of original issue discount	31
Interest expense - amortization of deferred financing costs	85
Total term loan interest expense	$ 509

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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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.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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