STOCK-BASED COMPENSATION PLANS (Tables)

12 Months Ended

Dec. 31, 2019

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

Schedule of granted stock options, Black-Scholes option-pricing model assumptions

	Year Ended December 31,
	2019			2018
Dividend yield		2.86	%		2.80	%
Expected volatility		23.80			27.53
Risk-free interest rate		2.52			2.67
Expected option life		6.0	years		6.5	years

Schedule of company's stock options

				Weighted
		Weighted		Average
	Number	Average		Remaining			Aggregate
	of	Exercise		Contractual			Intrinsic
(Dollars in thousands, except per share amounts)	Options	Price		Life			Value
Outstanding, January 1, 2019	47,393	$	36.19
Granted	63,267		35.35
Outstanding, December 31, 2019	110,660		35.71		8.7	years	$	—
Vested and Exercisable, December 31, 2019	15,795		36.19		8.1	years		—

	Number of	Exercise
Range of Exercise Prices	Options	Price
$35.35	63,267	$	35.35
36.19	47,393		36.19
	110,660

Restricted Stock Awards

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

Schedule of status of unvested restricted stock

		Weighted
		Average Grant-Date
	Shares	Fair Value
Unvested, January 1, 2019	324,882	$	29.13
Granted	78,952		31.92
Vested	(90,586)		27.20
Forfeited	(19,531)		30.62
Unvested, December 31, 2019	293,717		30.37

Restricted Stock Units

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

Schedule of status of unvested restricted stock

		Weighted
		Average Grant-Date
	Shares	Fair Value
Unvested, January 1, 2019	79,238	$	27.36
Granted	22,305		33.42
Reinvested dividends	2,556		29.03
Forfeited	(16,184)		23.34
Vested	(2,573)		32.90
Unvested, December 31, 2019	85,342		29.59