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Note 4 - Loans/Leases Receivable - Allowance for Estimated Losses on Loans Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019
Balance |  |  |  | $ 36,001 |  |  |  | $ 39,847 | $ 36,001 | $ 39,847 | $ 34,356 |  |
Provision for loan/lease losses | $ 7,080 | $ 20,342 | $ 19,915 | 8,367 | $ 979 | $ 2,012 | $ 1,941 | 2,134 | 55,704 | 7,066 | 12,658 |  |
Reclassification of allowance for loans and leases relating to assets held for sale. |  |  |  |  |  |  |  |  |  | (6,122) |  |  |
Loans/leases charged off |  |  |  |  |  |  |  |  | (8,383) | (5,134) | (7,919) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 1,054 | 772 | 752 |  |
Balance | 84,376 |  |  |  | 36,001 |  |  |  | 84,376 | 36,001 | 39,847 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | $ 2,680 | $ 660
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 81,696 | 35,341
Less allowance for estimated losses on loans/leases | 84,376 |  |  | 36,001 | 36,001 |  |  | 39,847 | 36,001 | 39,847 | 34,356 | 84,376 | 36,001
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 14,628 | 8,661
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 4,229,163 | 3,672,685
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 4,243,791 | $ 3,681,346
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 18.32% | 7.62%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.93% | 0.96%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.99% | 0.98%
Asset held-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision related to loans included in assets held for sale |  |  |  |  |  |  |  |  |  | 428 |  |  |
Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | 6,638 |  |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 16,072 |  |  |  | 16,420 | 16,072 | 16,420 | 14,323 |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  | 22,899 |  | 7,161 |  |
Reclassification of allowance for loans and leases relating to assets held for sale. |  |  |  |  |  |  |  |  |  | (2,814) |  |  |
Loans/leases charged off |  |  |  |  |  |  |  |  | (4,199) | (1,476) | (5,359) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 649 | 276 | 295 |  |
Balance | 35,421 |  |  |  | 16,072 |  |  |  | 35,421 | 16,072 | 16,420 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | $ 650 | $ 170
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 34,771 | 15,902
Less allowance for estimated losses on loans/leases | 35,421 |  |  | 16,072 | 16,072 |  |  | 16,420 | 35,421 | 16,420 | 16,420 | 35,421 | 16,072
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 5,381 | 1,846
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1,721,342 | 1,505,979
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 1,726,723 | $ 1,507,825
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 12.08% | 9.21%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.02% | 1.06%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.05% | 1.07%
Commercial Portfolio Segment [Member] | Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | 3,666 |  |  |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 15,379 |  |  |  | 17,719 | 15,379 | 17,719 | 13,963 |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  | 28,671 |  | 4,094 |  |
Reclassification of allowance for loans and leases relating to assets held for sale. |  |  |  |  |  |  |  |  |  | (2,392) |  |  |
Loans/leases charged off |  |  |  |  |  |  |  |  | (2,071) | (1,722) | (387) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 182 | 208 | 49 |  |
Balance | 42,161 |  |  |  | 15,379 |  |  |  | 42,161 | 15,379 | 17,719 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | $ 1,938 | $ 125
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 40,223 | 15,254
Less allowance for estimated losses on loans/leases | 42,161 |  |  | 15,379 | 15,379 |  |  | 17,719 | 42,161 | 17,719 | 13,963 | 42,161 | 15,379
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 7,487 | 3,585
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2,100,142 | 1,732,811
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 2,107,629 | $ 1,736,396
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 25.88% | 3.49%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.92% | 0.88%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 0.89%
Commercial Real Estate Portfolio Segment [Member] | Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | 1,566 |  |  |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 496,471 | $ 443,989
Direct financing leases |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 1,464 |  |  |  | 1,792 | 1,464 | 1,792 | 2,382 |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  | 2,148 |  | 1,068 |  |
Loans/leases charged off |  |  |  |  |  |  |  |  | (1,993) | (1,647) | (2,002) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 145 | 190 | 344 |  |
Balance | 1,764 |  |  |  | 1,464 |  |  |  | 1,764 | 1,464 | 1,792 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  |  | 270
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1,764 | 1,194
Less allowance for estimated losses on loans/leases | 1,764 |  |  | 1,464 | 1,464 |  |  | 1,792 | 1,464 | 1,792 | 1,792 | 1,764 | 1,464
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 578 | 2,025
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 65,438 | 85,844
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 66,016 | $ 87,869
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  |  | 13.33%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.70% | 1.39%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.67% | 1.67%
Direct financing leases | Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | 1,129 |  |  |
Residential Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 1,948 |  |  |  | 2,557 | 1,948 | 2,557 | 2,466 |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  | 1,755 |  | 193 |  |
Reclassification of allowance for loans and leases relating to assets held for sale. |  |  |  |  |  |  |  |  |  | (628) |  |  |
Loans/leases charged off |  |  |  |  |  |  |  |  |  | (191) | (127) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 29 | 47 | 25 |  |
Balance | 3,732 |  |  |  | 1,948 |  |  |  | 3,732 | 1,948 | 2,557 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | $ 20 | $ 15
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 3,712 | 1,933
Less allowance for estimated losses on loans/leases | 3,732 |  |  | 1,948 | 1,948 |  |  | 2,557 | 3,732 | 2,557 | 2,557 | 3,732 | 1,948
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 977 | 649
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 251,144 | 239,255
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 252,121 | $ 239,904
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 2.05% | 2.31%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.48% | 0.81%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.48% | 0.81%
Residential Portfolio Segment [Member] | Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | 163 |  |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 1,138 |  |  |  | 1,359 | 1,138 | 1,359 | 1,222 |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  | 231 |  | 142 |  |
Reclassification of allowance for loans and leases relating to assets held for sale. |  |  |  |  |  |  |  |  |  | (288) |  |  |
Loans/leases charged off |  |  |  |  |  |  |  |  | (120) | (98) | (44) |  |
Recoveries on loans/leases previously charged off |  |  |  |  |  |  |  |  | 49 | 51 | 39 |  |
Balance | 1,298 |  |  |  | 1,138 |  |  |  | 1,298 | 1,138 | 1,359 |  |
Allowance for impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | $ 72 | $ 80
Allowance for nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1,226 | 1,058
Less allowance for estimated losses on loans/leases | $ 1,298 |  |  | $ 1,138 | $ 1,138 |  |  | $ 1,359 | $ 1,298 | 1,359 | $ 1,222 | 1,298 | 1,138
Impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 205 | 556
Nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 91,097 | 108,796
Loans and leases |  |  |  |  |  |  |  |  |  |  |  | $ 91,302 | $ 109,352
Allowance as a percentage of impaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 35.12% | 14.39%
Allowance as a percentage of nonimpaired loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.35% | 0.97%
Total allowance as a percentage of total loans/leases |  |  |  |  |  |  |  |  |  |  |  | 1.42% | 1.04%
Consumer Portfolio Segment [Member] | Provision For Loan Lease And Other Losses Excluding Provision Related To Loans Assets Held For Sale |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for loan/lease losses |  |  |  |  |  |  |  |  |  | $ 114 |  |  |

X
- Definition Reclassification of allowance for loans and leases relating to assets held for sale. + References No definition available. + Details
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- Definition The percentage of allowance on loans leases collectively evaluated for impairment. + References No definition available. + Details
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- Definition The percentage of allowance on loans leases individually evaluated for impairment. + References No definition available. + Details
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- Definition The percentage of allowance on loans leases. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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 http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 + Details
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