Term B Loan - Schedule of Outstanding Borrowings (Details) - Senior Notes - Term B Loan - USD ($) $ in Thousands	Sep. 30, 2018	Apr. 01, 2018
Debt Instrument [Line Items]
Outstanding principal balance	$ 197,010	$ 198,000
Unamortized debt issuance costs and debt discount	(4,517)	(4,927)
Outstanding principal, net of unamortized debt issuance costs and debt discount	192,493	193,073
Current portion of bank loan	1,980	2,000
Long-term bank loan	$ 190,513	$ 191,073

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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