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Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The following table summarizes share-based compensation expense:

(in thousands)	2018				2017				2016
Performance stock units	$	2,067			$	2,451			$	2,477
Restricted stock units	1,211				898				850
Employee stock issuance - restricted stock	—				78				40
Employee stock purchase plan	174				—				—
Total share-based compensation expense	$	3,452			$	3,427			$	3,367

Outstanding Long Term Incentive Awards [Table Text Block]

Information related to the outstanding grants at December 31, 2018 is shown below:

(in thousands, except share and per share data)	2017 - 2019 Cycle				2018 - 2020 Cycle
Shares issuable at target	53,767				15,726
Maximum shares issuable	66,827				31,452
Unrecognized compensation cost	$	939			$	862
Weighted average grant date fair value	40.72				50.19

Summary of Employee Stock Option and SSARs Activity

Following is a summary of the employee stock option and SSAR activity for 2018.

(in thousands, except share and per share data)	Shares			Weighted Average Exercise Price				Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at December 31, 2017	106,130			$	13.37
Granted	—			—
Exercised	(65,480	)		15.37
Forfeited	—			—
Outstanding at December 31, 2018	40,650			$	10.14			1.6 years		$	1,118
Exercisable at December 31, 2018	40,650			$	10.14			1.6 years		$	1,118

Summary of Restricted Stock Units Activity

A summary of the status of the Company’s RSU awards as of December 31, 2018 and changes during the year then ended is presented below

	Shares			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2017	41,222			$	34.34
Granted	57,271			47.58
Vested	(28,720	)		31.04
Forfeited	(2,746	)		43.62
Outstanding at December 31, 2018	67,027			$	46.69

Stock Options and SSARs

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Various Information

Various information related to the stock options and SSARs is shown below.

(in thousands)	2018				2017				2016
Intrinsic value of option exercises on date of exercise	$	2,469			$	3,156			$	1,156
Cash received from the exercise of stock options	—				91				87

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Various Information

Various information related to the RSUs is shown below.

($ in thousands)	2018				2017				2016
Total fair value at vesting date	$	1,544			$	1,471			$	2,275
Total unrecognized compensation cost for nonvested stock units	2,175				837				1,084
Expected years to recognize unearned compensation	2.0 years				1.8 years				1.6 years

Stock Plan for Non-Management Directors

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Various Information

Various information related to the Director Plan is shown below.

(in thousands, except share and per share data)	2018				2017				2016
Shares granted	11,750				10,531				12,528
Weighted average fair value	$	50.74			$	42.46			$	31.25

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