Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity

The following table presents certain information related to the activity of our non-vested stock option grants:

	Number of Stock Options	Weighted Average Grant Date Fair Value		Weighted Average Exercise Prices
Outstanding as of December 31, 2018	107,888	$	8.28	$	20.94
Granted	—	—		—
Less: Forfeited	—	—		—
Less: Vested	—	—		—
Outstanding as of March 31, 2019	107,888	$	8.28	$	20.94
Exercisable as of March 31, 2019	—	$	—	$	—

Schedule of Nonvested Share Activity

The following table presents certain information related to the activity of our non-vested common stock grants:

	Number of Restricted Shares	Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2018	217,936	$	18.96
Granted	22,052	16.54
Less: Forfeited	—	—
Less: Vested	31,235	17.08
Outstanding as of March 31, 2019	208,753	$	19.42

Share-based Payment Arrangement, Activity [Table Text Block]

The following table presents our total stock-based compensation expense:

	Three Months ended March 31,
	2019		2018
Employee stock-based compensation expense
Pre-tax	$	530	$	248
Post-tax (1)	419		196
Director stock-based compensation expense
Pre-tax	371		239
Post-tax (1)	293		189

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The following weighted-average assumptions were used to value the stock options granted:

	2019
Expected annual dividend yield	1.15	%
Expected volatility	41.18	%
Risk-free interest rate	3.09	%
Expected term	6	years