Performance Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2013

Performance Incentive Plan [Abstract]

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

The following summarizes the restricted stock activity for the year ended December 31, 2013:

	Number of Shares		Weighted Average Share Price
Non-vested restricted shares, January 1	964,612		$	23.40
Restricted shares granted	298,896		33.73
Restricted shares vested	(446,607	)	21.41
Restricted shares forfeited	(241	)	30.68
Restricted shares repurchased	(8,474	)	24.36
Non-vested restricted shares, December 31	808,186		$	28.18

Schedule of Other Share-based Compensation, Activity

The following summarizes other grants made during the year ended December 31, 2013, pursuant to the 2007 Plan.

	Shares	Weighted Average   Share Price
Other share grants under the 2007 Plan:
Directors’ fees	16,605	$	35.08
Deferred directors’ fees	12,308	35.09
	28,913	$	35.08
Shares available under the 2007 Plan for grant, end of period	3,958,300