Annual report pursuant to Section 13 and 15(d)

Note 7 - Variable Interest Entities (VIEs) (Details Textual)

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Note 7 - Variable Interest Entities (VIEs) (Details Textual)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Loan [Member]    
Limited Partners' Capital Account, Total $ 32,000 $ 0
Variable Interest Entity, Not Primary Beneficiary [Member]    
Limited Partners' Capital Account, Total 69,900 $ 4,000
Variable Interest Entity, Not Primary Beneficiary [Member] | Federal New Market Tax Credit Partnerships [Member]    
Limited Partners' Capital Account, Total $ 63,300  
Variable Interest Entity, Number of Investments 2  
Variable Interest Entity, Not Primary Beneficiary [Member] | Federal Historic Tax Credit Partnerships [Member]    
Limited Partners' Capital Account, Total $ 1,500  
Variable Interest Entity, Not Primary Beneficiary [Member] | Low-Income Housing Tax Credit Partnerships [Member]    
Limited Partners' Capital Account, Total $ 1,100