Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Lease	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies [Abstract]
Number of minority operating lease	1
Rent expense	$ 1,002	$ 908	$ 458
Annual minimum payments under operating lease [Abstract]
2014	535
2015	336
2016	56
Thereafter	0
Total	927
Amount of aggregate commitment under the executive severance agreements should all covered executives and employees be terminated other than for cause	1,427
Amount of commitment should all covered executives and certain key employees be terminated following a change in control of the Company	$ 1,174