Long-term debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt as of December 31, 2016 and 2015 consists of the following:  

	December 31, 2016			December 31, 2015
Term loan B requires quarterly installments plus interest through the    term of the loan, maturing March 31, 2021. Outstanding borrowings    bear interest at LIBOR or base rate (as defined) plus a margin at the    election of the borrower (4.33% at December 31, 2016 and 4.75% at    December 31, 2015)	$	716,654		$	492,275
Revolving credit line, requires interest only payments through the    term of the loan, maturing March 31, 2019. Outstanding borrowings    bear interest at LIBOR or base rate (as defined) plus a margin at the    election of the borrower (6.00% at December 31, 2016 and 5.50% at    December 31, 2015)		—			—
Total debt, excluding deferred financing costs		716,654			492,275
Deferred financing costs, net of accumulated amortization		(7,466	)		(7,396	)
Total debt		709,188			484,879
Current portion of long-term debt and line of credit		7,185			5,100
Long-term debt, net of current portion	$	702,003		$	479,779

Schedule of Future Annual Payments of Long-term Debt

Future annual principal payments of long-term debt as of December 31, 2016 are as follows:  

	Amount
2017	$	7,185
2018		7,185
2019		7,185
2020		7,185
2021		687,914
Thereafter		-
Total	$	716,654