Debt - Outstanding Senior Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Apr. 24, 2020
Debt Instrument [Line Items]
Debt	$ 34,486	$ 40,997
Paycheck Protection Program
Debt Instrument [Line Items]
Debt		2,745	$ 2,700
Senior Unsecured Notes
Debt Instrument [Line Items]
Debt	23,861	23,665
Subordinated notes
Debt Instrument [Line Items]
Debt	9,625	9,587
Line of credit
Debt Instrument [Line Items]
Debt	$ 1,000	$ 5,000