Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

The following table presents a rollforward of the restricted stock activity for the periods indicated:

	Year Ended
	December 31,
	2016				2015				2014
	Shares		Weighted Average Grant Date Fair Value Per Share		Shares		Weighted Average Grant Date Fair Value Per Share		Shares		Weighted Average Grant Date Fair Value Per Share
Restricted stock outstanding as of beginning of period	696,597		$	8.54	731,809		$	8.89	520,987		$	10.26
Restricted stock granted	214,878		6.28		263,829		8.21		457,538		8.09
Restricted stock vested	(358,079	)	8.71		(299,041	)	9.12		(246,716	)	10.29
Restricted stock outstanding as of end of period	553,396		$	7.55	696,597		$	8.54	731,809		$	8.89