Share-Based Payments and Other Compensation - Restricted Stock and Stock Units Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Restricted Stock and Stock Units
Outstanding at beginning of year, in shares	332,103	127,078
Outstanding at end of year, in shares	108,670	332,103
Performance-based restricted shares
Restricted Stock and Stock Units
Outstanding at beginning of year, in shares	235,746
Restricted stock granted, in shares	198,174
Vested, in shares	(10,821)
Expired/forfeited/cancelled, in shares	(117,556)
Outstanding at end of year, in shares	305,543	235,746
Weighted Average Grant Date Fair Value
Outstanding at the beginning of year (in dollars per share)	$ 8.55
Granted (in dollars per share)	3.37
Vested (in dollars per share)	15.80
Expired/Forfeited/Cancelled (in dollars per share)	7.38
Outstanding at the end of year (in dollars per share)	$ 4.78	$ 8.55
Restricted Stock and RSUs
Restricted Stock and Stock Units
Outstanding at beginning of year, in shares	116,592
Restricted stock granted, in shares	154,176
Vested, in shares	(74,571)
Expired/forfeited/cancelled, in shares	(38,933)
Outstanding at end of year, in shares	157,264	116,592
Weighted Average Grant Date Fair Value
Outstanding at the beginning of year (in dollars per share)	$ 15.57
Granted (in dollars per share)	10.43
Vested (in dollars per share)	13.26
Expired/Forfeited/Cancelled (in dollars per share)	11.95
Outstanding at the end of year (in dollars per share)	$ 11.75	$ 15.57