Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Long-term debt

Long-term debt consists of the following as of:

	December 31,
	2017			2016
	(in thousands)
2015 Term Loan Facility, interest paid at the defined LIBOR rate plus applicable interest margin (2.77% at December 31, 2016); matures May 2020	$	—		$	185,000
2017 Term Loan Facility, interest paid at the defined LIBOR rate plus applicable interest margin (3.81% at December 31, 2017); matures June 2024	597,000			—
Less: unamortized debt issuance costs	(5,241		)	(2,233		)
	591,759			182,767
2015 Revolving Credit Facility, interest paid at the defined LIBOR rate plus applicable interest margin (2.71% at December 31, 2016); matures May 2020	—			289,300
2017 Revolving Credit Facility, interest paid at the defined LIBOR rate plus applicable interest margin; matures June 2022	—			—
	$	591,759		$	472,067

Long-term debt maturities

As of December 31, 2017, long-term debt maturities are as follows (in thousands):

2018	$	6,000
2019	6,000
2020	6,000
2021	6,000
2022	6,000
Thereafter	567,000
	597,000
Less: unamortized debt issuance costs	(5,241		)
	$	591,759