Stock-Based Compensation Plans - Schedule of Director Compensation Program (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based board compensation earned	$ 50	$ 62
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based board compensation earned	$ 50	$ 62
Issuance of shares of common stock as board compensation:
Number of shares issued (in shares)	1,075	1,591
Equity impact of shares issued	$ 56	$ 87

Share-based Payment Arrangement, Board Compensation, Noncash Expense

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