Long-Term Debt (Details) (USD $)	0 Months Ended	6 Months Ended
	Jul. 30, 2013	Jun. 30, 2014	Dec. 31, 2013	Jul. 30, 2013 item
Long-term debt
Less: current portion		$ (1,750,000)	$ (1,750,000)
Long-term debt less current portion		169,985,000	170,731,000
Maturities of long-term debt
Remainder of 2014		875,000
2015		1,750,000
2016		1,750,000
2017		1,750,000
2018 and thereafter		167,125,000
Total maturities		173,250,000
Senior Secured Term Loan B Facility [Member]
Long-term debt
Long-term debt		171,735,000	172,481,000
Less: current portion		(1,750,000)	(1,750,000)
Long-term debt less current portion		169,985,000	170,731,000
Amount of term loan				175,000,000
Uncommitted accordion option base amount				20,000,000
Uncommitted accordion option multiplier of 1st lien net leverage				4.0
Reference rate basis	LIBOR
Interest rate margin (as a percent)	5.00%
Interest rate floor (as a percent)	1.25%
Effective interest rate (as a percent)				6.25%
OID (as a percent)				1.00%
OID				1,500,000
Accumulated amortization of original issue discount		200,000
Net debt issue costs		3,000,000
Accumulated amortization		$ 500,000
Maximum period after each fiscal year for prepayment of debt		90 days
Prepayment of debt as a percentage of excess cash flow		50.00%
First prepayment of debt as a percentage of excess cash flow, if lower leverage ratio is maintained		25.00%
Second prepayment of debt as a percentage of excess cash flow, if lower leverage ratio is maintained		0.00%