STOCK-BASED COMPENSATION PLANS (Tables)

9 Months Ended

Sep. 30, 2020

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

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

	Nine Months Ended
	September 30,
	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, September 30, 2020	180,020		35.39		8.5	years	$	—
Vested and Exercisable, September 30, 2020	52,681		35.85		7.8	years		—

Number of	Exercise
Options	Price
69,360	$	34.87
63,267		35.35
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	91,428		31.02
Vested	(106,278)		28.95
Forfeited	(6,593)		32.16
Unvested, September 30, 2020	272,274		31.10

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	3,225		30.05
Forfeited	(6,623)		28.68
Vested	(15,353)		25.18
Unvested, September 30, 2020	93,147		31.12