STOCK BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2018

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

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

A summary of the activity in the stock option plan as of December 31, 2018 and changes during the period then ended follows:

			Weighted-
		Weighted-	Average
		Average	Remaining	Aggregate
		Exercise	Contractual	Intrinsic
	Shares	Price	Term (years)	Value
				(in thousands)
Outstanding at beginning of the year	7,500	$16.03
Granted	0	0.00
Exercised	(7,500)	16.03
Forfeited	0	0
Outstanding at end of the year  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	0	$0	0.0	$0
Options exercisable at end of the year	0	$0	0.0	$0

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table presents information on stock awards exercised for the years ended December 31, 2018, 2017 and 2016.

(dollars in thousands)	2018	2017	2016
Total intrinsic value	$243	$44	$755
Cash received	118	24	625
Actual tax benefit realized for tax deductions	0	0	669

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of the changes in the Company’s nonvested shares for the year follows:

		Weighted-Average
		Grant-Date
Nonvested Shares	Shares	Fair Value
Nonvested at January 1, 2018	500	$41.22
Granted	15,300	49.09
Vested	(14,800)	48.89
Forfeited	0	0.00
Nonvested at December 31, 2018  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	1,000	$48.14

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

Shares granted below include the number of shares assumed granted based on meeting the performance criteria of the 2018-2020, 2017-2019 and 2016-2018 Long-Term Incentive Plans at December 31, 2018.

		Weighted-Average
		Grant-Date
Nonvested Shares	Shares	Fair Value
Nonvested at January 1, 2018	387,693	$33.39
Granted	118,282	46.07
Vested	(137,472)	27.05
Forfeited	0	0.00
Nonvested at December 31, 2018  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	368,503	$39.83