Shareholders' Equity (Narrative) (Details)				12 Months Ended				24 Months Ended
	Jan. 31, 2022 shares	Jan. 25, 2021 shares	Oct. 01, 2019 shares	Dec. 31, 2022 USD ($) plan shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 installment	Dec. 31, 2022 USD ($) plan shares
Minimum capital conservation buffer				0.025				0.025
Number of equity incentive plans (in plans) | plan				2				2
Stock compensation expense				$ 646,000	$ 732,000	$ 995,000
Stock compensation expense not recorded				0	0	0		$ 0
Unrecognized expense related to restricted stock and cash entitlements				2,781,000	2,497,000	2,046,000		$ 2,781,000
Stock compensation expense, net of tax				$ 2,188,000	$ 1,795,000	$ 1,515,000
Common Stock | 2021 Share Repurchase Program
Common stock, authorized shares repurchase (in shares) | shares	1,000,000	1,000,000
Common stock, percentage of Company's outstanding shares authorized for repurchase		4.00%
Common stock, shares repurchased (in shares) | shares					0
Common Stock | 2020 Share Repurchase Program
Common stock, shares repurchased (in shares) | shares		221,912
Common Stock | 2022 Share Repurchase Program
Common stock, percentage of Company's outstanding shares authorized for repurchase	3.00%
Stock Options
Stock option expiration period				10 years
Number of options granted (in shares) | shares				0	0	0
Stock compensation expense				$ 0	$ 0	$ 0
Nonqualified Stock Options
Stock option expiration period				20 years
Restricted Stock
Restricted stock and restricted stock units grant during period percentage						66.67%	60.00%
Cash credit entitlement percentage						33.33%	40.00%
Number of installments (in installments) | installment							3
Percentage vested				100.00%
Restricted Stock | Year One
Percentage vested						100.00%
Restricted Stock | Year Two
Percentage vested						50.00%
Restricted Stock | Director
Percentage vested								100.00%
Restricted Stock | Executive Officer | Year One
Percentage vested				33.33%
Restricted Stock | Executive Officer | Year Two
Percentage vested				33.33%
Restricted Stock | Executive Officer | Year Three
Percentage vested				33.33%
Employee Stock Purchase Plan
Stock compensation expense				$ 53,000	45,000	$ 40,000
Unrecognized expense related to restricted stock and cash entitlements				0	0	0		$ 0
Stock compensation expense, net of tax				$ 39,000	$ 34,000	$ 30,000
2009 LTIP Plan
Share-based compensation, number of shares available for future grants (in shares) | shares				0				0
2009 LTIP Plan | Restricted Stock | Year One
Percentage vested							33.30%
2009 LTIP Plan | Restricted Stock | Year Two
Percentage vested							33.30%
2009 LTIP Plan | Restricted Stock | Year Three
Percentage vested						50.00%	33.30%
2019 LTIP Plan
Share-based compensation arrangement, number of shares authorized (in shares) | shares				1,000,000				1,000,000
2019 ESPP
Share-based compensation, number of shares available for future grants (in shares) | shares			750,000
Offering period			3 months
Percentage of purchase price at offering date			95.00%
Bank
Minimum capital conservation buffer				0.025				0.025
Retained earnings available for payment of dividends to parent company without prior regulatory approval				$ 125,000,000				$ 125,000,000