Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Schedule of Common Stock Outstanding Roll Forward

The following table presents a summary of the changes in the number of common shares outstanding for the periods presented:

	Nine Months Ended
	September 30,
	2016		2015
Balance as of beginning of period	49,047,335		54,739,111
Common stock issued under DRIP	15,714		16,862
Common stock issued under stock and incentive plans	214,878		263,829
Common stock forfeited for tax withholding on share-based compensation	(80,888	)	(67,296	)
Common stock repurchased during the period	(48,444	)	(4,383,716	)
Balance as of end of period	49,148,595		50,568,790

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:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2016	2015	2016		2015
Restricted stock outstanding as of beginning of period	561,089	696,597	696,597		731,809
Restricted stock granted	—	—	214,878		263,829
Restricted stock vested	—	—	(350,386	)	(299,041	)
Restricted stock outstanding as of end of period	561,089	696,597	561,089		696,597