Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Information with Respect to Stock-based Compensation

A summary of information with respect to stock-based compensation is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Salaries and employee benefits	$	1,107	$	1,053	$	2,140	$	1,390
General and administrative expenses		450		451		450		451
Income tax benefit related to stock-based compensation included in net income		626		670		1,042		821

Restricted Stock Unit Activity

Restricted stock unit activity for the six months ended June 30, 2015:

	Number of Restricted Stock Units			Weighted- Average Grant-date Fair Value
Outstanding on December 31, 2014		462,717		$	18.07
Granted		184,541			23.94
Vested and converted to common stock		(96,546	)		17.92
Forfeited		(10,701	)		20.42
Outstanding on June 30, 2015		540,011			20.05

Performance Stock Unit Activity

Performance stock unit activity for the six months ended June 30, 2015:

	Number of Restricted Stock Units			Weighted- Average Grant-date Fair Value
Outstanding on December 31, 2014		229,170		$	17.06
Granted		59,221			23.64
Vested and converted to common stock		(13,397	)		20.62
Forfeited		(2,970	)		20.62
Outstanding on June 30, 2015		272,024			18.28