Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per common share:

Year Ended December 31,	2014		2013		2012
Net income	$	84,401	$	86,136	$	58,224
Less preferred stock dividends	—		—		3,300
Net income available to common shareholders, basic and diluted	$	84,401	$	86,136	$	54,924
Weighted average common shares outstanding for basic earnings per share computation	44,615,060		43,566,681		42,965,987
Dilutive effects of stock-based compensation	595,501		477,921		126,991
Weighted average common shares outstanding for diluted earnings per common share computation	45,210,561		44,044,602		43,092,978
Basic earnings per common share	$	1.89	$	1.98	$	1.28
Diluted earnings per common share	1.87		1.96		1.27