Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Computation of Basic and Diluted Earnings per Share under Two-Class Method

The following table sets forth the computation of basic and diluted earnings per share under the two-class method:

	Three months ended						Six months ended
	June 30,						June 30,
	2014			2013			2014			2013
Numerator for basic and diluted earnings per share:
Net income	$	23,017		$	16,307		$	41,444		$	33,883
Effect of reallocating undistributed earnings of participating securities		(154	)		(107	)		(290	)		(224	)
Net income available under the two-class method	$	22,863		$	16,200		$	41,154		$	33,659
Denominator:
Denominator for basic earnings per share— weighted-average shares		22,947,957			22,953,453			22,948,032			22,971,649
Effect of dilutive potential common shares		—			—			—			—
Denominator for diluted earnings per share— adjusted weighted-average shares		22,947,957			22,953,453			22,948,032			22,971,649
Basic earnings per share	$	1.00		$	0.71		$	1.79		$	1.47
Diluted earnings per share	$	1.00		$	0.71		$	1.79		$	1.47