Equity Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Equity Compensation Arrangement by Share-based Payment Award [Abstract]

Schedule of Equity Compensation Expense and Related Income Tax Benefit Recognized

The following table summarizes the equity compensation expense and related income tax benefit recognized in the Consolidated Statements of Income (in thousands):

	Three Months Ended March 31,
	2015		2014
Stock options:
Pre-tax compensation expense	$	17	$	30
Tax benefit	7		12
Stock option expense, net of tax	$	10	$	18
Restricted awards:
Pre-tax compensation expense	$	1,017	$	995
Tax benefit	402		401
Restricted award expense, net of tax	$	615	$	594
Performance awards:
Pre-tax compensation expense	$	755	$	286
Tax benefit	298		115
Performance award expense, net of tax	$	457	$	171

Schedule of Equity Compensation Stock Options Activity

The following table summarizes stock option activity for the three months ended March 31, 2015:

	Number of Options (in thousands)		Weighted Average Exercise Price ($)		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of period	248		$	18.18
Granted	—		—
Exercised	(40	)	17.47
Forfeited	—		—
Expired	—		—
Outstanding at end of period	208		18.32		3.74	$	2,726
Exercisable at end of period	161		17.77		3.25	$	2,194

Schedule of Equity Compensation, Restricted Stock and Restricted Stock Units Activity

The following table summarizes restricted award activity for the three months ended March 31, 2015:

	Number of Restricted Awards (in thousands)	Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period	643	$	22.92
Granted	—	—
Vested	—	—
Forfeited	—	—
Nonvested at end of period	643	22.92

Schedule of Equity Compensation Performance Award Activity

The following table summarizes performance award activity for the three months ended March 31, 2015:

	Number of Performance Awards (in thousands)		Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period	183		$	25.06
Granted	202		28.79
Vested	(37	)	25.06
Forfeited	—		—
Nonvested at end of period	348		27.22

Schedule of Equity Compensation Performance Award Valuation Assumptions

The present value of estimated future dividends was calculated using the following assumptions:

	Three Months Ended March 31,
	2015			2014
Dividends per share (quarterly amounts)	$	0.05		$	0.05
Risk-free interest rate	1.6		%	1.5		%