Long-Term Obligations (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
LOng-Term Obligations Disclosure [Abstract]
Debt, Long-term and Short-term, Combined Amount	$ 75,000
Debt Instrument, Interest Rate Terms	Interest on the Senior Note is variable and will accrue at LIBOR plus (i) 2.25% per year for the first 12 months, and (ii) 2.50% per annum thereafter.
Debt Instrument, Maturity Date	Feb. 03, 2020
Debt Instrument, Restrictive Covenants	The Senior Note has restrictions, beginning on the effective date and thereafter, pertaining to limitations on debt, liens, loans, advances, acquisitions, other investments, dividends, redemptions, repurchases of equity interests, fundamental changes in the line of business, dispositions, transactions with affiliates, dividend and payment restrictions affecting subsidiaries, changes in line of business and accounting changes or change in fiscal year.