Note 10 - Other Assets - Mortgages and Other Financing Receivables (Details) $ in Millions	Sep. 30, 2021 USD ($)
Mortgage or Other Financing Receivable Issued/Acquired Sep-21 and Maturing Sep-27 [Member]
Mortgage and other financing receivables, face amount	$ 21.5
Mortgages and other financing receivables, interest rate	12.50%
Mortgage or Other Financing Receivable Issued/Acquired Aug-21 and Maturing Jan-22 [Member]
Mortgage and other financing receivables, face amount	$ 10.0	[1]
Mortgages and other financing receivables, interest rate	5.00%	[1]
Mortgage or Other Financing Receivable Issued/Acquired Aug-21 and Maturing Oct-53 [Member]
Mortgage and other financing receivables, face amount	$ 3.4	[1]
Mortgages and other financing receivables, interest rate	7.00%	[1]
Mortgage or Other Financing Receivable Issued/Acquired Jul-21 and Maturing Jun-22 [Member]
Mortgage and other financing receivables, face amount	$ 5.0
Mortgages and other financing receivables, interest rate	8.00%
Mortgage or Other Financing Receivable Issued/Acquired Mar-21 and Maturing Mar-31 [Member]
Mortgage and other financing receivables, face amount	$ 0.4
Mortgages and other financing receivables, interest rate	7.00%

[1] Acquired in connection with the Merger