Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The table below provides a summary of the stock options granted, including the weighted average fair value, the fair value as a percentage of the market value of the underlying stock at the date of grant and the average assumptions used in the model for the years indicated: 

Stock Option Awards	2020			2019			2018
Stock options granted	24,208			23,218			14,755
Term in years	10			10			10
Weighted average assumptions used in the fair value model:
Expected volatility	37		%	33		%	37		%
Expected dividend yield	3.43		%	2.75		%	2.10		%
Expected life in years	6.5			6.5			6.5
Risk-free interest rate	1.02		%	2.58		%	2.86		%
Weighted average market price on date of grants	$	28.22		$	29.84		$	34.33
Per share weighted average fair value	$	8.41		$	8.70		$	11.98
Fair value as a percentage of market value at grant date	30		%	29		%	35		%

Schedule of Share-based Compensation, Stock Options, Activity

Stock option transactions during the year ended December 31, 2020 are summarized as follows: 

(Dollars in thousands, except per share data)	Options	Weighted Average Exercise Price Per Share		Weighted Average Remaining Life in Years	Aggregate Intrinsic Value
Outstanding December 31, 2019	159,372	$	23.45	5.8	$	1,667
Granted	24,208	28.22
Exercised	1,166	20.19
Forfeited/Expired	1,112	29.51
Outstanding December 31, 2020	181,302	$	24.07	5.3	$	627
Vested and Exercisable at December 31, 2020	122,058	$	21.30	3.9	$	627

Schedule of Unvested Options

Stock option activity during the year ended December 31, 2020 for unvested options are summarized as follows:

Unvested Options	Options	Weighted Average Grant Date Fair Value
Unvested December 31, 2019	59,139	$	9.64
Granted	24,208	8.41
Vested	23,112	9.33
Forfeited	991	9.29
Unvested December 31, 2020	59,244	$	9.27

Schedule of Restricted Stock Awards Granted

The table below provides a summary of restricted stock awards granted during the years indicated:

Restricted Stock Awards (number of underlying shares)	2020		2019		2018
Two-year vesting	8,295		8,368		7,280
Four-year vesting	26,015		22,403		16,666
Performance-based vesting	25,001		24,427		20,559
Total restricted stock awards	59,311		55,198		44,505
Weighted average grant date fair value	$	28.22	$	29.84	$	34.33

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

The following table sets forth a summary of the activity for the Company's restricted stock awards:

(Dollars in thousands, except per share data)	Restricted Stock	Weighted Average Grant Price Per Share
Unvested December 31, 2019	102,056	$	30.98
Granted	59,311	28.22
Vested/released	42,713	30.66
Forfeited	2,480	30.34
Unvested December 31, 2020	116,174	$	29.70