Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement, Noncash Expense [Abstract]

Summary Of The Status Of Nonvested Share Awards

A summary of the status of the Company’s nonvested share awards as of September 30, 2019, and changes during the nine month period then ended, is presented below.

	Shares		Weighted Average Grant Date Fair Value
Nonvested at January 1, 2019	1,180,940		$43.24
Granted	199,252		61.57
Vested	(312,122	)	33.00
Forfeited	(11,894	)	49.17
Nonvested at September 30, 2019	1,056,176		$49.65

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

The current year per share average fair value and the model assumptions are shown in the table below.

        

Weighted per share average fair value at grant date		$11.92
Assumptions:
Dividend yield	1.7		%
Volatility	19.8		%
Risk-free interest rate	2.6		%
Expected term	6.0 years

Summary Of SAR Activity

A summary of SAR activity during the first nine months of 2019 is presented below.

(Dollars in thousands, except per share data)	Rights		Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2019	1,066,438		$40.22
Granted	186,943		61.76
Forfeited	(5,383	)	52.00
Expired	(1,837	)	38.88
Exercised	(127,447	)	34.10
Outstanding at September 30, 2019	1,118,714		$44.47	6.7 years	$	18,310