Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule Showing Calculation Of Basic And Diluted Earnings Per Share

	For the Years Ended December 31,
	2011			2010			2009
Income available to common shareholders	$	53,538,000		$	48,826,000		$	155,004,000
Distributed and undistributed earnings to unvested restricted stock		(988,000	)		(981,000	)		(4,217,000	)
Distributed and undistributed earnings to common shareholders – Basic(1)		52,550,000			47,845,000			150,787,000
Undistributed earnings reallocated to unvested restricted stock		21,000			10,000			307,000
Distributed and undistributed earnings to common shareholders – Diluted	$	52,571,000		$	47,855,000		$	151,094,000
Weighted average shares outstanding – Basic (2)		28,500,420			25,681,266			18,210,867
Weighted average shares outstanding – Diluted		28,141,300			25,394,120			17,956,674
Earnings per common share – Basic(1)	$	1.88		$	1.90		$	8.49
Earnings per common share – Diluted	$	1.87		$	1.88		$	8.41
Earnings per unvested restricted stock share – Basic (3)	$	2.04		$	1.97		$	9.22
Earnings per unvested restricted stock share – Diluted	$	2.00		$	1.95		$	8.55

(1) Total earnings available to common shareholders include distributed earnings of $38,681,000, or $1.38 per weighted average share, and undistributed earnings of $13,869,000, or $0.50 per weighted average share for the year ended December 31, 2011. Total earnings available to common shareholders include distributed earnings of $35,772,000, or $1.42 per weighted average share, and undistributed earnings of $12,073,000, or $0.48 per weighted average share for the year ended December 31, 2010. Total earnings available to common shareholders include distributed earnings of $24,491,000, or $1.38 per weighted average share, and undistributed earnings of $126,296,000, or $7.11 per weighted average share for the year ended December 31, 2009.

(2) Weighted average basic shares outstanding include 484,361, 498,692, and 457,213 shares of unvested restricted stock for the years ended December 31, 2011, 2010, and 2009, respectively.

(3) Total earnings available to unvested restricted stock include distributed earnings of $727,000, or $1.50 per weighted average share, and undistributed earnings of $261,000, or $0.54 per weighted average share for the year ended December 31, 2011. Total earnings available to unvested restricted stock include distributed earnings of $733,000, or $1.47 per weighted average share, and undistributed earnings of $248,000, or $0.50 per weighted average share for the year ended December 31, 2010. Total earnings available to unvested restricted stock include distributed earnings of $685,000, or $1.50 per weighted average share, and undistributed earnings of $3,532,000, or $7.73 per weighted average share, under the two-class method for the year ended December 31, 2009.