STOCK-BASED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2020

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

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

	Three Months Ended
	March 31,
	2020			2019
Dividend yield		3.03	%		2.86	%
Expected volatility		23.11			23.80
Risk-free interest rate		1.47			2.52
Expected option life		6.0	years		6.0	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, 2020	110,660	$	35.71
Granted	69,360		34.87
Outstanding, March 31, 2020	180,020		35.39		9.0	years	$	—
Vested and Exercisable, March 31, 2020	52,681		35.85		8.3	years		—

	Number of	Exercise
Range of Exercise Prices	Options	Price
$34.87	69,360	$	34.87
35.35	63,267		35.35
36.19	47,393		36.19
	180,020

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, 2020	293,717	$	30.37
Granted	86,428		31.65
Vested	(100,020)		28.87
Forfeited	(585)		32.12
Unvested, March 31, 2020	279,540		31.30

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, 2020	85,342	$	29.59
Granted	26,556		32.13
Reinvested dividends	663		29.59
Forfeited	(6,623)		28.68
Vested	(15,106)		25.24
Unvested, March 31, 2020	90,832		31.12