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Note 5 - Loans and the Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Loans and Leases Receivable, Gross |  | $ 7,910,013 | $ 6,838,351
Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 83,525 | 83,681
Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 23,449 | 26,182
Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 106,974 | 109,863
Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross | [1] | 1,448,727 | 1,299,428
Commercial Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 5,446 | 6,385
Commercial Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 23,449 | 26,182
Commercial Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 28,895 | 32,567
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 5,666,848 | 4,741,590
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 64,718 | 55,244
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 64,718 | 55,244
Commercial Construction Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 537,323 | 540,178
Commercial Construction Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 7,727 | 13,196
Commercial Construction Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 0 | 0
Commercial Construction Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 7,727 | 13,196
Residential Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 256,085 | 255,269
Residential Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 5,634 | 8,856
Residential Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 0 | 0
Residential Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 5,634 | 8,856
Consumer Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross |  | 1,030 | 1,886
Consumer Portfolio Segment [Member] | Real Estate [Member] |  |  |
Loans and Leases Receivable, Gross |  | 0 | 0
Consumer Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | 0 | 0
Consumer Portfolio Segment [Member] | Collateral Pledged [Member] |  |  |
Loans and Leases Receivable, Gross |  | $ 0 | $ 0
[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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- Definition 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. + References 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 + Details
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