Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended												12 Months Ended
		Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 04, 2021	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Stockholders' equity increase														$ 33,500
Shareholders' equity		$ 239,227				$ 205,729				$ 173,911				239,227	$ 205,729	$ 173,911		$ 160,709
Net income		$ 9,956	$ 9,942	$ 9,451	$ 9,108	$ 9,746	$ 9,459	$ 8,418	$ 8,496	$ 7,345	$ 5,760	$ 5,171	$ 5,368	38,457	36,119	23,644
Dividends on common stock														(4,373)	(3,617)	(3,298)
Period change														3,582	(1,511)	1,343
Common stock issued & related tax effects (1)	[1]													3,038	1,996	1,641
Treasury stock purchased, at cost														$ 42	$ 4,191	$ 7,442
Publicly Announced Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Total number of shares repurchased														1,572	199,000
Average Price Paid per Share		$ 26.49				$ 21.04								$ 26.49	$ 21.04
Shares available for repurchase		570,000				571,000								570,000	571,000
Publicly Announced Share Repurchase Program February 2021
Equity, Class of Treasury Stock [Line Items]
Share repurchase authorized to be repurchased																	750,000
Maximum percentage of outstanding common stock authorized for repurchase																	7.50%
Publicly Announced Share Repurchase Program Prior Plan
Equity, Class of Treasury Stock [Line Items]
Total number of shares repurchased															20,000

[1] Includes the issuance of common stock under employee benefit plans, which includes nonqualified stock options and restricted stock expense related entries, employee option exercises and the tax benefit of options exercised.