Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary Of Information Concerning Restricted Stock Awards

	Three Months Ended March 31,
	2013					2012
	Awards			Weighted Average Grant Price		Awards			Weighted Average Grant Price
Unvested awards outstanding at beginning of period		1,913,073		$	9.17		1,846,115		$	8.44
Granted		295,705			11.74		275,674			12.28
Vested		(734,130	)		7.90		(165,284	)		8.01
Forfeited		(622	)		9.23		(126,301	)		8.32
Dividend reinvestment		12,008			11.78		15,474			12.22
Unvested awards outstanding at end of period		1,486,034			10.34		1,845,678			9.09

Components Of The Restricted Stock Awards

	Service- Based Awards		Performance- Based Awards		Total
Unvested awards		415,905		1,070,129		1,486,034
Unrecognized compensation expense	$	2,657	$	4,828	$	7,485
Intrinsic value	$	5,032	$	12,949	$	17,981
Weighted average remaining life (in years)		2.38		2.68		2.60

Summary Of Information Concerning Stock Option Awards

	Three Months Ended March 31,
	2013					2012
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding at beginning of period		640,050		$	13.21		586,020		$	14.93
Assumed from acquisition		—			—		627,808			10.41
Exercised		—			—		(36,385	)		7.67
Forfeited		(263,589	)		14.92		(227,737	)		14.04
Options outstanding and exercisable at end of period		376,461			12.01		949,706			12.43