Borrowings - Notes payable -Parenthetical (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Advances with FHLB with maturities ranging from 2022 Through 2029
Debt Instrument
Notes Payable Maturity Year Range Start	2022
Notes Payable Maturity Year Range End	2029
Advances with FHLB with maturities ranging from 2022 Through 2029 \| Minimum
Debt Instrument
Advances with the FHLB, interest rate	0.39%	0.39%
Advances with FHLB with maturities ranging from 2022 Through 2029 \| Maximum
Debt Instrument
Advances with the FHLB, interest rate	3.18%	4.19%
Advances with FRB \| Fixed rate with maturities on 2022 paying interest annually
Debt Instrument
Fixed interest rate percentage		0.35%
Debt instrument maturity year		2022
Debt Instrument Frequency Of Periodic Payment		annual
Unsecured senior debt \| Fixed Rate with maturities on 2023 paying interest semiannually
Debt Instrument
Fixed interest rate percentage	6.125%
Debt instrument maturity year	2023
Debt issuance costs	$ 2,158	$ 3,426
Debt Instrument Frequency Of Periodic Payment	semiannually
Junior subordinated debt \| Fixed Rate with maturities on 2034
Debt Instrument
Notes Payable Maturity Year Range End	2034
Debt issuance costs	$ 342	$ 369
Junior subordinated debt \| Fixed Rate with maturities on 2034 \| Minimum
Debt Instrument
Fixed interest rate percentage	6.125%	6.125%
Junior subordinated debt \| Fixed Rate with maturities on 2034 \| Maximum
Debt Instrument
Fixed interest rate percentage	6.564%	6.70%

No definition available.

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- Definition

Latest year the outstanding debt instruments are required to be repaid.

+ References

No definition available.

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Earliest year the outstanding debt instruments are required to be repaid.

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No definition available.

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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