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Investment Securities (Details Narrative) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | $ 577,820,000 |  |
Federal Home Loan Bank Stock | 792,100 |  | $ 698,400
Corporate Fixed To Float Bonds [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | 8,600,000 |  | 8,000,000.0
Mutual Funds [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | 12,000.0 |  | 11,600
Available-for-Sale Securities, Gross Realized Gains | 400 | $ 1,700 |
Debt Security, Corporate, Non-US [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | 10,000.0 |  | 10,000.0
Corporate Bond Securities [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | 1,000,000.0 |  |
Venture Capital Funds [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Debt Securities, Available-for-Sale | 86,700 |  |
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Security Owned and Pledged as Collateral, Amortized Cost | 419,400,000 |  |
Financial Instruments, Owned, at Fair Value | 406,300,000 |  | 429,000,000.0
Mortgage-Backed Securities, Issued by Private Enterprises [Member] |  |  |
Marketable Securities [Line Items] |  |  |
Security Owned and Pledged as Collateral, Amortized Cost | 45,600 |  | 48,200
Financial Instruments, Owned, at Fair Value | $ 45,300 |  | $ 46,400

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123599499&loc=d3e63345-112809 + Details
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