Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2017

Share-Based Payments [Abstract]

Schedule of Nonvested Share Activity [Table Text Block]

The following table sets forth information with respect to nonvested options for the three month period ended March 31, 2017:

			Weighted Average Grant
	Number of Shares		Date Fair Value
Nonvested options – beginning of period		401,440	$	7.14
Nonvested options granted		5,000	$	7.67
Nonvested options vested or forfeited		(11,825)	$	6.90
Nonvested options – end of period		394,615	$	7.15

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes stock option information as of March 31, 2017:

			Weighted Average
	Shares		Exercise Price
Outstanding at January 1, 2017		684,540	$	26.94
Options granted		5,000		33.95
Options forfeited		(5,500)		29.89
Options exercised		(29,790)		18.18
Outstanding at March 31, 2017		654,250	$	27.37
Options exercisable		259,635	$	24.91
Options available for future grants		1,080,155

Schedule of Cash Proceeds Received from Share-based Payment Awards [Table Text Block]

Cash proceeds, tax benefits and intrinsic value related to stock options exercised during the three months ended March 31, 2017 and March 31, 2016 were as follows:

	March 31,		March 31,
(In thousands)	2017		2016
Cash proceeds from stock options exercised	$	542	$	132
Tax benefits		135		—
Intrinsic value of stock options exercised		549		80

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The assumptions used in the Black-Scholes pricing model for the periods ended March 31, 2017 and 2016 are set forth in the following table:

	March 31,			March 31,
	2017			2016
Weighted average expected stock-price volatility		29	%		33	%
Weighted average expected option life		5 years			5 years
Weighted average risk-free interest rate		2.0	%		1.42	%
Weighted average dividend yield		2.1	%		2.2	%