Employee Benefit Plan (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure Text Block Supplement [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	100.00%	100.00%	50.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	8.00%	6.00%	4.00%
Defined Contribution Plan, Cost Recognized (in Dollars)	$ 759		$ 123	$ 297