Equity Compensation (Tables)

6 Months Ended

Jun. 30, 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 June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Stock options:
Pre-tax compensation expense	$	17	$	30	$	34	$	60
Tax benefit	6		12		13		24
Stock option expense, net of tax	$	11	$	18	$	21	$	36
Restricted awards:
Pre-tax compensation expense	$	1,024	$	1,080	$	2,041	$	2,075
Tax benefit	404		434		806		835
Restricted award expense, net of tax	$	620	$	646	$	1,235	$	1,240
Performance awards:
Pre-tax compensation expense	$	953	$	431	$	1,708	$	717
Tax benefit	377		174		675		289
Performance award expense, net of tax	$	576	$	257	$	1,033	$	428

Schedule of Equity Compensation Stock Options Activity

The following table summarizes stock option activity for the six months ended June 30, 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	(44	)	17.44
Forfeited	(5	)	20.33
Expired	—		—
Outstanding at end of period	199		18.28		3.45	$	1,587
Exercisable at end of period	157		17.78		3.00	$	1,332

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

The following table summarizes restricted award activity for the six months ended June 30, 2015:

	Number of Restricted Awards (in thousands)		Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period	643		$	22.92
Granted	—		—
Vested	(2	)	24.21
Forfeited	(17	)	24.07
Nonvested at end of period	624		22.88

Schedule of Equity Compensation Restricted Stock Valuation Assumptions

The present value of estimated future dividends for the 2014 grants was calculated using the following weighted-average assumptions:

Dividends per share (quarterly amounts)	$	0.05
Risk-free interest rate	1.5		%

Schedule of Equity Compensation Performance Award Activity

The following table summarizes performance award activity for the six months ended June 30, 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:

	Six Months Ended June 30,
	2015			2014
Dividends per share (quarterly amounts)	$	0.05		$	0.05
Risk-free interest rate	1.6		%	1.5		%