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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of options granted (in dollars per share)		$ 3.70	$ 3.71
Unrecognized compensation cost related to nonvested stock options granted		$ 622
Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost charged against income		$ 461	$ 397
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted in the period (in shares)	22,716	4,008
Award vesting period				5 years
Unrecognized compensation expense		$ 14
Expected period for recognition		7 months 6 days
Fair value of shares vested		$ 85	$ 321
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected period for recognition		2 years 3 months 29 days
Maximum percentage of stock granted		15.00%
Maximum number of shares issued and outstanding (in shares)		1,500,000
Contractual term		10 years
Stock Options \| Share-based Payment Arrangement, Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		5 years
Stock Options \| Share-based Payment Arrangement, Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years