Share-Based Compensation - Summary of Nonvested Options (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Granted (shares)	255,914
Nonvested Stock Option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Nonvested options outstanding, January 1, 2015 (shares)	140,276
Granted (shares)	255,914
Vested (shares)	(63,976)
Canceled, forfeited or adjusted (shares)	(20,159)
Nonvested Outstanding, December 31, 2015 (shares)	312,055.000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Nonvested options outstanding, January 1, 2015, weighted average exercise price (usd per share) | $ / shares	$ 13.73
Granted, weighted average exercise price (usd per share) | $ / shares	10.46
Vested, weighted average exercise price (usd per share) | $ / shares	13.46
Canceled, forfeited and adjusted, weighted average exercise price (usd per share) | $ / shares	13.08
Nonvested Outstanding, December 31, 2015, weighted average exercise price (usd per share) | $ / shares	$ 11.20