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Borrowings - Long-term Unsecured Debt Instruments (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Senior Notes Due 2025    
Debt Instrument [Line Items]    
Outstanding Principal $ 34,931 $ 34,931
Annual Interest Rate 6.75% 6.75%
Interest Payment Frequency Quarterly Quarterly
Weighted-Average Interest Rate 6.75% 6.75%
Maturity Mar. 15, 2025 Mar. 15, 2025
Senior Notes Due 2026    
Debt Instrument [Line Items]    
Outstanding Principal $ 37,750 $ 37,750
Annual Interest Rate 6.00% 6.00%
Interest Payment Frequency Quarterly Quarterly
Weighted-Average Interest Rate 6.00% 6.00%
Maturity Aug. 01, 2026 Aug. 01, 2026
Trust Preferred Debt    
Debt Instrument [Line Items]    
Outstanding Principal $ 15,000 $ 15,000
Interest Payment Frequency Quarterly Quarterly
Weighted-Average Interest Rate 3.79% 2.87%
Trust Preferred Debt | Minimum    
Debt Instrument [Line Items]    
Annual Interest Rate 2.25% 2.25%
Maturity 2033 2033
Trust Preferred Debt | Maximum    
Debt Instrument [Line Items]    
Annual Interest Rate 3.00% 3.00%
Maturity 2035 2035