Long Term Debt - Term Loan Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current portion
Liability component - principal	$ 3,750
Original issue discount	0
Deferred financing cost	0
Liability component - net carrying value	3,750	$ 0
Long-term
Liability component - principal	71,250
Original issue discount	(2,218)
Deferred financing cost	(5,961)
Liability component - net carrying value	$ 63,071	$ 0

Long-term Debt, Current Maturities, Gross

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Long-term Debt, Excluding Current Maturities, Gross

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Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer.

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Amount of debt discount to be amortized after one year or the normal operating cycle, if longer.

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Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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