Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the status of these stock option plans is presented in the following table: 

	Number		Weighted Average Exercisable Price
Outstanding at December 31, 2015	817,414		$	10.62
Granted	—		—
Exercised	(89,556	)	8.98
Forfeited	(10,334	)	28.49
Outstanding at December 31, 2016	717,524		$	10.57

	Number		Weighted Average Exercisable Price
Outstanding at December 31, 2014	483,629		$	10.20
Granted	52,689		15.05
Exercised	(24,292	)	8.79
Share conversion	23,468		9.71
Retained by Cornerstone shareholders in merger	285,209		11.22
Forfeited	(3,289	)	10.83
Outstanding at December 31, 2015	817,414		$	10.62

Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested

Information pertaining to options outstanding at December 31, 2016, is as follows: 

	Options Outstanding			Options Exercisable
		Weighted- Average Remaining	Weighted- Average		Weighted- Average
Exercise	Number	Contractual	Exercise	Number	Exercise
Prices	Outstanding	Life	Price	Exercisable	Price
6.20	750	4.3 years	6.20	750	6.20
6.60	47,750	5.2 years	6.60	47,750	6.60
6.80	24,375	4.2 years	6.80	24,375	6.80
9.48	42,625	6.2 years	9.48	42,625	9.48
9.52	380,100	0.2 years	9.52	380,100	9.52
9.60	52,875	7.2 years	9.60	52,875	9.60
10.00	1,250	6.6 years	10.00	1,250	10.00
10.48	76,271	0.3 years	10.48	76,271	10.48
11.67	3,250	4.1 years	11.67	3,250	11.67
14.40	18,555	2.2 years	14.40	18,555	14.40
15.05	52,074	8.8 years	15.05	4,104	15.05
31.96	14,166	1.2 years	31.96	14,166	31.96
60.80	688	0.3 years	60.80	688	60.80
61.00	2,795	0.2 years	61.00	2,795	61.00
Outstanding, end of year	717,524	2.3 years	10.57	669,554	10.25

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

Information related to non-vested options for the period ended December 31, 2016, is as follows: 

	Number		Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2015	53,739		$	12.12
Granted	—		—
Vested	(5,154	)	10.25
Forfeited/expired	(615	)	12.31
Nonvested at December 31, 2016	47,970		$	12.31

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

The weighted average grant date fair value of all stock options granted during the twelve months ended December 31, 2015 was $12.31. This was determined using the Black-Scholes option-pricing model with the following weighted-average assumptions:

Dividend yield	—	%
Expected life	10 Years
Expected volatility	81.7	%
Risk-free interest rate	1.54	%