Stock Based Compensation Stock Based Compensation (Summary of stock option awards) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Stock options [Member]
Stock Options, Number of options outstanding (in shares):
Outstanding, beginning balance (in shares) | shares	0
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited (in shares) | shares	(1,000)
Expired (in shares) | shares	0
Exercisable at December 31, 2013 (in shares) | shares	992,000
Vested and expected to vest at December 31, 2013 | shares	1,184,000
Stock Options, Weighted average exercise price (in dollars per share):
Outstanding, beginning balance (in dollars per share)	$ 0.00
Granted (in dollars per share)	0.00
Exercised (in dollars per share)	0.00
Forfeited (in dollars per share)	17.04
Expired (in dollars per share)	0.00
Outstanding, ending balance (in dollars per share)	14.17
Exercisable at December 31, 2013 (in dollars per share)	13.49
Vested and expected to vest at December 31, 2103	$ 14.07
Stock Options, Contractual Term (in years)
Outstanding at December 31, 2013	7 years 10 months 24 days
Exercisable at December 31, 2013	7 years 6 months
Vested and expected to vest at December 31, 2013	7 years 10 months 24 days
Stock Options, Intrinsic Value
Outstanding at December 31, 2013 | $	$ 4,470
Exercisable at December 31, 2103 | $	4,470
Vested and expected to vest at December 31, 2013 | $	$ 4,470
Equity Issued in Business Combination [Member]
Stock Options, Number of options outstanding (in shares):
Granted (in shares) | shares	1,229,000
Stock Options, Weighted average exercise price (in dollars per share):
Granted (in dollars per share)	$ 14.18