Shareholders' Equity (Tables)

6 Months Ended

Jun. 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:

	Six Months Ended
	June 30,
	2016		2015
Balance as of beginning of period	49,047,335		54,739,111
Common stock issued under DRIP	12,206		9,688
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	)	(860,721	)
Balance as of end of period	49,145,087		54,084,611

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				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Restricted stock outstanding as of beginning of period	547,486		696,819		696,597		731,809
Restricted stock granted	46,158		32,555		214,878		263,829
Restricted stock vested	(32,555	)	(32,777	)	(350,386	)	(299,041	)
Restricted stock outstanding as of end of period	561,089		696,597		561,089		696,597