Long Term Debt (Schedule of Long Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total debt	$ 189,247	$ 428
Bank revolving credit facility | Amended and Restated Revolving Credit Agreement
Debt Instrument [Line Items]
Total debt	188,000	0
Capital lease obligations
Debt Instrument [Line Items]
Total debt	127	120
Other notes payable
Debt Instrument [Line Items]
Total debt	$ 1,120	$ 308