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Note 5 - Loans and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Beginning balance | $ 22,820 | $ 18,561 | $ 18,816 | $ 17,577 | $ 17,577
Provision for loan losses | 3,861 | 824 | 8,815 | 1,731 | 2,390
Charge-offs on loans | (48) | 0 | (998) | 110 | (1,259)
Recoveries on loans | 1 | 1 | 1 |  | 108
Ending balance | 26,634 | 19,386 | 26,634 | 19,386 | 18,816
Recoveries on loans |  |  |  | (32) |
Loan losses, Reserves | 26,634 | 19,386 | 26,634 | 19,386 | 18,816
Individually | 17,976 | 9,628 | 17,976 | 9,628 | 13,218
Collectively | 2,737,177 | 2,116,517 | 2,737,177 | 2,116,517 | 2,183,716
Total loans, net of deferred loan fees | 2,755,153 | 2,126,145 | 2,755,153 | 2,126,145 | 2,196,934
Specific Reserve [Member] |  |  |  |  |
Loan losses, Reserves | 436 | 430 | 436 | 430 | 0
General Reserves [Member] |  |  |  |  |
Loan losses, Reserves | 26,198 | 18,956 | 26,198 | 18,956 | 18,816
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 18,985 | 14,582 | 15,118 | 13,437 | 13,437
Provision for loan losses | 2,858 | 558 | 6,725 | 1,703 | 1,847
Charge-offs on loans | 0 | 0 | 0 | 0 | (166)
Recoveries on loans | 0 | 0 | 0 | 0 | 0
Ending balance | 21,843 | 15,140 | 21,843 | 15,140 | 15,118
Loan losses, Reserves | 21,843 | 15,140 | 21,843 | 15,140 | 15,118
Individually | 6,119 | 4,537 | 6,119 | 4,537 | 3,795
Collectively | 2,316,619 | 1,773,616 | 2,316,619 | 1,773,616 | 1,842,747
Total loans, net of deferred loan fees | 2,322,738 | 1,778,153 | 2,322,738 | 1,778,153 | 1,846,542
Commercial Real Estate Portfolio Segment [Member] | Specific Reserve [Member] |  |  |  |  |
Loan losses, Reserves | 0 | 127 | 0 | 127 | 0
Commercial Real Estate Portfolio Segment [Member] | General Reserves [Member] |  |  |  |  |
Loan losses, Reserves | 21,843 | 15,013 | 21,843 | 15,013 | 15,118
Commercial Portfolio Segment [Member] |  |  |  |  |
Beginning balance | 3,813 | 3,976 | 3,588 | 4,140 | 4,140
Provision for loan losses | 990 | 25 | 2,165 | (216) | 433
Charge-offs on loans | (48) | 0 | (998) | 110 | (1,093)
Recoveries on loans | 1 | 1 | 1 |  | 108
Ending balance | 4,756 | 4,002 | 4,756 | 4,002 | 3,588
Recoveries on loans |  |  |  | (32) |
Loan losses, Reserves | 4,756 | 4,002 | 4,756 | 4,002 | 3,588
Individually | 11,842 | 5,091 | 11,842 | 5,091 | 9,423
Collectively | 417,242 | 342,365 | 417,242 | 342,365 | 340,148
Total loans, net of deferred loan fees | 429,084 | 347,456 | 429,084 | 347,456 | 349,571
Commercial Portfolio Segment [Member] | Specific Reserve [Member] |  |  |  |  |
Loan losses, Reserves | 436 | 303 | 436 | 303 | 0
Commercial Portfolio Segment [Member] | General Reserves [Member] |  |  |  |  |
Loan losses, Reserves | 4,320 | 3,699 | 4,320 | 3,699 | 3,588
Other Financing Receivables [Member] |  |  |  |  |
Beginning balance | 22 | 3 | 9 | 0 | 0
Provision for loan losses | 13 | 3 | 26 | 6 | 9
Charge-offs on loans | 0 | 0 | 0 | 0 | 0
Recoveries on loans | 0 | 0 | 0 | 0 | 0
Ending balance | 35 | 6 | 35 | 6 | 9
Loan losses, Reserves | 35 | 6 | 35 | 6 | 9
Individually | 15 | 0 | 15 | 0 | 0
Collectively | 3,316 | 536 | 3,316 | 536 | 821
Total loans, net of deferred loan fees | 3,331 | 536 | 3,331 | 536 | 821
Other Financing Receivables [Member] | Specific Reserve [Member] |  |  |  |  |
Loan losses, Reserves | 0 | 0 | 0 | 0 | 0
Other Financing Receivables [Member] | General Reserves [Member] |  |  |  |  |
Loan losses, Reserves | 35 | 6 | 35 | 6 | 9
Unallocated Financing Receivables [Member] |  |  |  |  |
Beginning balance | 0 | 0 | 101 | 0 | 0
Provision for loan losses | 0 | 238 | (101) | 238 | 101
Charge-offs on loans | 0 | 0 | 0 | 0 | 0
Recoveries on loans | 0 | 0 | 0 | 0 | 0
Ending balance | 0 | 238 | 0 | 238 | 101
Loan losses, Reserves | 0 | 238 | 0 | 238 | 101
Individually | 0 | 0 | 0 | 0 | 0
Collectively | 0 | 0 | 0 | 0 | 0
Total loans, net of deferred loan fees | 0 | 0 | 0 | 0 | 0
Unallocated Financing Receivables [Member] | Specific Reserve [Member] |  |  |  |  |
Loan losses, Reserves | 0 | 0 | 0 | 0 | 0
Unallocated Financing Receivables [Member] | General Reserves [Member] |  |  |  |  |
Loan losses, Reserves | $ 0 | $ 238 | $ 0 | $ 238 | $ 101

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- Definition Amount of reversal of the recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References No definition available. + Details
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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + 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)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + 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 to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 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)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + 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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