Retirement and Share-based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation Expense By Plan

The following table summarizes compensation expense recognized for employees and directors as a result of share-based compensation:

	Year Ended December 31,
	2018		2017		2016
	(Dollars in thousands)
ESOP	$	2,194	$	1,474	$	2,522
Employee Incentive Plans	5,434		2,155		1,207
Director Equity Plans	966		812		685
	$	8,594	$	4,441	$	4,414

Changes in Stock Options Outstanding

Changes in the number of stock options granted to employees and agents outstanding during the years ended December 31, 2018, 2017 and 2016 are as follows:

	Number of Shares		Weighted-Average Exercise Price per Share		Total Exercise Price
	(Dollars in thousands, except per share data)
Outstanding at January 1, 2016	3,443,991		$	15.17	$	52,240
Granted	—		—		—
Canceled	(24,700	)	14.83		(366		)
Exercised	(500,345	)	9.97		(4,989		)
Outstanding at December 31, 2016	2,918,946		16.06		46,885
Granted	—		—		—
Canceled	(57,200	)	13.66		(781		)
Exercised	(881,481	)	15.90		(14,020		)
Outstanding at December 31, 2017	1,980,265		16.20		32,084
Granted	—		—		—
Canceled	(40,850	)	18.87		(771		)
Exercised	(717,550	)	13.99		(10,040		)
Outstanding at December 31, 2018	1,221,865		17.41		$	21,273

Schedule of Stock Options Outstanding, By Exercise Price Range

The following table summarizes information about stock options outstanding at December 31, 2018:

	Stock Options Outstanding and Vested
Range of Exercise Prices	Number of Awards	Remaining Life (yrs)	Weighted-Average Exercise Price Per Share
$5.07 - $8.02	122,500	0.36	$	6.77
$9.27 - $11.35	252,515	1.54	9.97
$12.04 - $24.79	846,850	1.84	21.17
$5.07 - $24.79	1,221,865	1.63	17.41