Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt

Schedule of debt

Debt consists of the following (in thousands):

	June 30,		December 31,
	2016		2015
2013 Senior Secured Credit Facility, principal of $487 payable quarterly, matures in July 2020	$	188,902	$	202,635
Less unamortized debt issuance costs		(1,285)		(1,527)
Less unamortized debt discount costs		(634)		(751)
Less current portion		(10,765)		(14,805)
	$	176,218	$	185,552

Schedule of Maturities of Debt

Maturities of debt are as follows (in thousands):

As of June 30:
Remainder of 2016	$	974
2017		10,765
2018		1,947
2019		1,947
2020		173,269
	$	188,902

Summary of carrying value and fair value of debt

The following table summarizes the carrying value and fair value of the 2013 Senior Secured Credit Facility as of June 30, 2016 and December 31, 2015 (in thousands):

	June 30,				December 31,
	2016				2015
	Carrying Amounts		Estimated Fair Value		Carrying Amounts		Estimated Fair Value
2013 Senior Secured Credit Facility	$	186,983	$	188,902	$	200,357	$	198,583