Debt Revolving Credit Agreement (Details) (Revolving Credit Facility [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Jan. 21, 2014	Dec. 15, 2011
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 125,000	$ 125,000		$ 100,000
Credit Facility Incremental Commitment			25,000
Line of Credit, Terms, Provision to Increase the Aggregate Amount of Commitments Under Certain Conditions, Amount	25,000
Debt Instrument, Maturity Date		Dec. 15, 2015
Weighted average interest rate for borrowings	3.00%	3.00%
Ratio of EBITDA to fixed charges, springing covenant	(0.59)	(0.59)
Line of Credit Facility, Borrowing Capacity excluding minimum excess availability, springing covenant	99,467	99,467
Excess availability, revolving credit facility	88,092	88,092
Minimum
Debt Instrument [Line Items]
Ratio of EBITDA to fixed charges, springing covenant	1.1	1.1
Excess availability percentage of borrowing base, lower bound before fixed charge coverage maintenance required		10.00%
Excess availability, lower bound before lender full dominion over collections	15,625	15,625
Excess availability, lower bound before fixed charge coverage maintenance required	$ 12,500	$ 12,500
Excess availability percentage of borrowing base, lower bound before lender full dominion over collections		12.50%