Stock Based Compensation - Schedule of RSU Activity (Details) (Restricted Stock Units (RSUs) [Member], USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding and unvested at January 1, 2013 (in shares)	0
Granted (in shares)	430,333
Accrued vesting (in shares)	(140,778)
Outstanding and unvested at December 31, 2013 (in shares)	289,555
Unrecognized compensation cost, expected to be recognized over the next 2 years (in thousands)	$ 4.3
Weighted average recognition period	1 year 6 months