Capital Transactions (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of assumptions used and weighted average fair value for stock option grants

	2016
Expected annual dividend rate		1.08	%
Risk-free interest rate		1.15	%
Average expected life (years)		5.7
Expected volatility of common stock		0.412
Forfeiture rate		0.0	%
Weighted average fair value of option grants	$	5.27

Schedule of stock option activity

	2018							2017			2016
				Weighted
		Weighted		Average			Aggregate		Weighted			Weighted
		Average		Remaining			Intrinsic		Average			Average
	Number of	Exercise		Contractual			Value	Number of	Exercise		Number of	Exercise
	Options	Price		Term			($000)	Options	Price		Options	Price
Outstanding at beginning of year	458,103	$	13.73	4.0	years	$	18,034.1	819,981	$	13.58	1,064,429	$	13.64
Granted	—		—					—		—	206,021		14.90
Exercised	(157,523)		13.80					(356,209)		13.36	(351,296)		14.17
Cancelled	—		—					(5,669)		14.33	(99,173)		14.90
Outstanding at end of year	300,580		13.70	3.0	years	$	9,249.4	458,103		13.73	819,981		13.58
Exercisable at December 31, 2018	235,672		13.36	2.7	years	$	7,330.7
Exercisable at December 31, 2017	254,192		13.17	3.4	years	$	10,150.8

Schedule of non-vested stock options

		Weighted-Average
	Number of	Grant-Date
	Shares	Fair Value
Non-vested shares at beginning of year	203,911	$	5.17
Granted	—		—
Vested	(139,003)		5.10
Cancelled	—		—
Non-vested shares at end of year	64,908	$	5.32

Schedule of stock options outstanding

			Options Outstanding					Options Exercisable
				Weighted Average
			Number	Remaining		Weighted Average		Number	Weighted Average
Range of Exercise Prices			Outstanding	Contractual Life		Exercise Price		Exercisable	Exercise Price
$12.00	to	$13.99	193,231	2.4	years	$	13.04	193,231	$	13.04
$14.00	to	$15.99	104,159	4.1	years		14.78	41,292		14.78
$16.00	to	$19.00	3,190	3.8	years		18.31	1,149		17.25
$12.00	to	$19.00	300,580	3.0	years	$	13.70	235,672	$	13.36

Schedule of restricted stock activity

:
			Weighted-Average
			Grant-Date Fair
	Number of RSUs		Value
Non-vested RSUs outstanding at December 31, 2015	809,299	$	13.13
Granted	384,148		14.81
Vested	(215,146)		13.29
Cancelled	(51,370)		13.72
Non-vested RSUs outstanding at December 31, 2016	926,931	$	13.65
Granted	160,137		35.81
Vested	(230,903)		12.01
Cancelled	(40,575)		15.78
Non-vested RSUs outstanding at December 31, 2017	815,590	$	18.35
Granted	115,044		53.40
Vested	(330,580)		13.57
Cancelled	(24,273)		27.77
Non-vested RSUs outstanding at December 31, 2018	575,781	$	27.71

Performance stock units

Schedule of non-vested stock options

The following table summarizes the activity of performance share units granted at target as of December 31, 2018.

			Weighted-Average
			Grant-Date
	Number of  PSUs		Fair Value
Non-vested PSUs outstanding at December 31, 2015	202,829	$	13.62
Granted	183,577		14.89
Vested	—		—
Cancelled	(22,413)		14.16
Non-vested PSUs outstanding at December 31, 2016	363,993	$	14.23
Granted	119,315		35.81
Vested	—		—
Cancelled	(14,732)		15.00
Non-vested PSUs outstanding at December 31, 2017	468,576	$	19.70
Granted	90,264		53.41
Additional PSUs awarded from the 2015 grant	92,335		13.62
Vested	(277,029)		13.62
Cancelled	(3,229)		30.09
Non-vested PSUs outstanding at December 31, 2018	370,917	$	30.84