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Note 5 - Loans and the Allowance for Credit Losses - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loans and Leases Receivable, Gross |  | $ 7,910,013 | $ 6,838,351
Net deferred loan fees |  | (9,563) | (9,729)
Total loans receivable |  | 7,900,450 | 6,828,622
Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross | [1] | 1,448,727 | 1,299,428
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 5,666,848 | 4,741,590
Commercial Construction Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 537,323 | 540,178
Residential Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 256,085 | 255,269
Consumer Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | $ 1,030 | $ 1,886
[1] | Includes PPP loans of $11.5 million and $93.1 million as of September 30, 2022 and December 31, 2021 , respectively.

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