Fair Value by Balance Sheet grouping (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	$ 219,180	$ 370,474
Investment Owned, at Fair Value	1,754,140	1,059,341
Mortgages Held-for-sale, Fair Value Disclosure	9,387	31,666
Derivative Asset	333	1,545
Impaired loans carried at fair value	1,103	6,924
Other Assets, Fair Value Disclosure	6,783,848	7,072,339
Loans Receivable, Fair Value Disclosure	6,794,671	7,112,474
Time Deposits, Fair Value	714,307	870,804
Other Liabilities, Fair Value Disclosure	1,465	1,379
Deposits, Fair Value Disclosure	715,772	872,183
Short-term Debt, Fair Value	238,786	342,230
Long-term Debt, Fair Value		31,376
Subordinated Debt Obligations, Fair Value Disclosure	207,912	179,147
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	262	885
Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	2,129	2,511
Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	1,952	3,934
Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset		3,934
Swaps, fair value	226	226
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	219,180	370,474
Derivative Asset	0	0
Loans Receivable, Fair Value Disclosure	0	0
Other Liabilities, Fair Value Disclosure	1,465	1,379
Deposits, Fair Value Disclosure	1,465	1,379
Level 1 \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	1,630	2,026
Level 1 \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	1,754,140	1,059,341
Mortgages Held-for-sale, Fair Value Disclosure	9,387	31,666
Derivative Asset	333	1,545
Loans Receivable, Fair Value Disclosure	9,720	33,211
Time Deposits, Fair Value	714,307	870,804
Deposits, Fair Value Disclosure	714,307	870,804
Short-term Debt, Fair Value	238,786	342,230
Long-term Debt, Fair Value		31,376
Subordinated Debt Obligations, Fair Value Disclosure	207,912	179,147
Level 2 \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,952
Swaps, fair value	1,952	3,934
Level 2 \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset		3,934
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	262	885
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0	0
Impaired loans carried at fair value	1,103	6,924
Other Assets, Fair Value Disclosure	6,783,848	7,072,339
Loans Receivable, Fair Value Disclosure	6,784,951	7,079,263
Deposits, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	499	485
Fair Value, Inputs, Level 3 [Member] \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	0
Fair Value, Inputs, Level 3 [Member] \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Swaps, fair value	226	226
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0	0
Estimate of Fair Value Measurement [Member] \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,952
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	219,180	370,474
Investment Owned, at Fair Value	1,754,140	1,059,341
Mortgages Held-for-sale, Fair Value Disclosure	9,387	31,666
Derivative Asset	333	1,545
Impaired loans carried at fair value	1,103	6,924
Other Assets, Fair Value Disclosure	6,777,102	7,051,975
Loans Receivable, Fair Value Disclosure	6,787,925	7,092,110
Time Deposits, Fair Value	711,660	864,573
Other Liabilities, Fair Value Disclosure	1,465	1,379
Deposits, Fair Value Disclosure	713,125	865,952
Short-term Debt, Fair Value	238,786	342,230
Long-term Debt, Fair Value		32,500
Subordinated Debt Obligations, Fair Value Disclosure	188,210	187,774
Reported Value Measurement [Member] \| Equity securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment Owned, at Fair Value	2,129	2,511
Reported Value Measurement [Member] \| Loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset	1,952
Swaps, fair value	1,952	3,934
Reported Value Measurement [Member] \| Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset		3,934
Swaps, fair value	$ 226	$ 226

Impaired Loan Fair Value

No definition available.

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- Definition

Time Deposits Fair Value

+ References

No definition available.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

No definition available.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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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

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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- Definition

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

Fair value portion of mortgage loans held-for-sale.

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Fair value portion of other assets.

+ References

No definition available.

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Fair value portion of other liabilities.

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No definition available.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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