Equity Compensation and Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2018

Employee Benefits and Share-based Compensation, Noncash [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):

	Years Ended December 31,
	2018		2017		2016
Stock options:
Pre-tax compensation expense	$	—	$	6	$	(25	)
Tax benefit	—		2		(9		)
Stock option expense, net of tax	$	—	$	4	$	(16	)
Restricted awards:
Pre-tax compensation expense	$	4,143	$	3,244	$	2,337
Tax benefit	1,056		1,265		886
Restricted stock expense, net of tax	$	3,087	$	1,979	$	1,451
Performance awards:
Pre-tax compensation expense	$	3,152	$	1,459	$	167
Tax benefit	804		569		63
Performance award expense, net of tax	$	2,348	$	890	$	104

Schedule of Equity Compensation Stock Options Activity

The following table summarizes stock option activity for the year ended December 31, 2018:

	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	33		$	19.69
Granted	—		—
Exercised	(24	)	19.94
Forfeited	—		—
Expired	—		—
Outstanding at end of period	9		19.02		0.92	$	95
Exercisable at end of period	9		19.02		0.92	$	95

Intrinsic Value of Stock Options Exercised

The total intrinsic value of stock options exercised was as follows (in thousands):

2018	$	484
2017	1,722
2016	119

Schedule of Equity Compensation, Restricted Award Activity

The following table summarizes restricted award activity for the year ended December 31, 2018:

	Number of Restricted Awards (in thousands)		Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period	273		$	27.69
Granted	160		36.30
Vested	(91	)	27.27
Forfeited	(16	)	29.45
Nonvested at end of period	326		31.93

Schedule of Equity Compensation Performance Award Activity

The following table summarizes performance award activity for the year ended December 31, 2018:

	Number of Performance Awards (in thousands)		Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period	158		$	27.20
Granted	84		37.48
Vested	(35	)	27.07
Forfeited	—		—
Nonvested at end of period	207		27.92

Contributions for Employee Stock Purchase Plan

Our contributions for the Purchase Plan were as follows (in thousands):

2018	$	239
2017	208
2016	183

Contributions and Administrative Expenses Under 401(k) Retirement Savings Plan

Salaries, wages and benefits expense in the accompanying Consolidated Statements of Income includes our 401(k) Plan contributions and administrative expenses, which were as follows (in thousands):

2018	$	2,615
2017	2,357
2016	2,113

Deferred Compensation Assets and Liabilities

The accumulated benefit obligation and aggregate market value of the life insurance policies were as follows (in thousands):

	December 31,
	2018		2017
Accumulated benefit obligation	$	7,202	$	7,682
Aggregate market value	6,588		7,059