Loans and Allowance for Loan Losses, Strategic Program Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Strategic Program Loans retained and Held-for-sale [Abstract]
Loans held-for-sale	$ 73,805	$ 60,748
Strategic Program Loans [Member]
Strategic Program Loans retained and Held-for-sale [Abstract]
Cash held in reserve by strategic programs	50,800	39,600
Retained loans	28,014	25,102
Loans held-for-sale	73,805	60,748
Total loans	$ 101,819	$ 85,850

Amount of retained loans, before allowance for credit loss, of financing receivable.

No definition available.

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- Definition

Amount, before valuation allowance, of financing receivable classified as held-for-sale and held-for-investment.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116631393&loc=SL116631396-227033

+ Details

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- Definition

Amount, before valuation allowance, of financing receivable classified as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124265262&loc=d3e48678-111004

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