Note 3 - Loans/Leases Receivable - Concentration by Industries (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Lessors of Non-residential Buildings [Member]
Loans and Leases Receivable, Gross	$ 558,719	$ 586,672
Percentage of total loans/leases	9.00%	13.00%
Lessors of Residential Buildings [Member]
Loans and Leases Receivable, Gross	$ 2,168,431	$ 1,706,092
Percentage of total loans/leases	35.00%	36.00%

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant