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Borrowings - Notes payable -Parenthetical (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2024
USD ($)
Advances with FHLB with maturities ranging from 2024 Through 2029  
Debt Instrument [Line Items]  
Notes Payable Maturity Year Range Start 2024
Notes Payable Maturity Year 2029
Debt Instrument Frequency Of Periodic Payment monthly
Advances with FHLB with maturities ranging from 2024 Through 2029 | Minimum  
Debt Instrument [Line Items]  
Advances with the FHLB, interest rate 0.44%
Advances with FHLB with maturities ranging from 2024 Through 2029 | Maximum  
Debt Instrument [Line Items]  
Advances with the FHLB, interest rate 5.26%
Unsecured senior debt | Fixed Rate maturing on 2028 paying interest semiannually  
Debt Instrument [Line Items]  
Fixed interest rate percentage 7.25%
Notes Payable Maturity Year Range Start 2028
Debt issuance costs $ 5,715
Debt Instrument Frequency Of Periodic Payment semiannually
Junior subordinated debt | Fixed Rate maturing on 2034  
Debt Instrument [Line Items]  
Notes Payable Maturity Year 2034
Debt issuance costs $ 281
Junior subordinated debt | Fixed Rate maturing on 2034 | Minimum  
Debt Instrument [Line Items]  
Fixed interest rate percentage 6.125%
Junior subordinated debt | Fixed Rate maturing on 2034 | Maximum  
Debt Instrument [Line Items]  
Fixed interest rate percentage 6.564%