Other Benefit Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended		37 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock under dividend reinvestment plan (in shares)	17,971	34,737
Issue of common stock under dividend reinvestment plan, price per share (USD per share)	$ 21.68	$ 14.67
Salary continuation agreement, annual benefit	$ 25		$ 25
Salary continuation agreement, annual benefit, duration	20 years
Salary continuation agreement, liability	$ 312	$ 241	$ 312
Salary continuation agreement, period expense	$ 71	82
Employer contribution over employees' gross pay (in percentage)	3.00%
Expense recognized in relation of plan, amount	$ 2,487	$ 1,978
Employee Stock Ownership Plan (ESOP), percent of eligible employee salary approved for contribution	1.00%	2.00%
Stock based compensation expense	$ 490	$ 395
ESOP contribution	366	260
Issuance of common stock under employee stock ownership plan (in shares)			57,620
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense recognized in relation to the Non-Qualified Stock Purchase Plan	$ 80	$ 43