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Note 4 - Loans Receivable and Allowance for Loan and Lease Losses - Delinquency Status of Performing and Non-performing Loans (Details) - Business Activities Loans [Member] - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Loans receivable, gross | $ 751,298 | $ 812,164
Non-accruing loans | 20,440 | 18,049
Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable, gross | 292,067 | 314,414
Non-accruing loans | 14,447 | 11,961
Residential Portfolio Segment [Member] |  |
Loans receivable, gross | 162,976 | 175,489
Non-accruing loans | 3,292 | 3,228
Commercial Portfolio Segment [Member] |  |
Loans receivable, gross | 147,248 | 173,875
Non-accruing loans | 1,706 | 2,094
Consumer Portfolio Segment [Member] |  |
Loans receivable, gross | 73,127 | 85,934
Non-accruing loans | 995 | 766
Construction Portfolio Segment [Member] |  |
Loans receivable, gross | 61,534 | 48,388
Non-accruing loans |  |
Construction to Permanent Portfolio Segment [Member] |  |
Loans receivable, gross | 14,346 | 14,064
Non-accruing loans |  |
Pass [Member] |  |
Loans receivable, gross | 685,258 | 777,551
Non-accruing loans |  |
Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable, gross | 265,497 | 295,982
Non-accruing loans |  |
Pass [Member] | Residential Portfolio Segment [Member] |  |
Loans receivable, gross | 159,434 | 170,561
Non-accruing loans |  |
Pass [Member] | Commercial Portfolio Segment [Member] |  |
Loans receivable, gross | 112,436 | 163,388
Non-accruing loans |  |
Pass [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable, gross | 72,011 | 85,168
Non-accruing loans |  |
Pass [Member] | Construction Portfolio Segment [Member] |  |
Loans receivable, gross | 61,534 | 48,388
Non-accruing loans |  |
Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Loans receivable, gross | 14,346 | 14,064
Non-accruing loans |  |
Special Mention [Member] |  |
Loans receivable, gross | 7,437 | 836
Non-accruing loans |  |
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable, gross |  | 385
Non-accruing loans |  |
Special Mention [Member] | Commercial and Industrial Portfolio Segment [Member] |  |
Loans receivable, gross | 7,437 | 451
Non-accruing loans |  |
Substandard [Member] |  |
Loans receivable, gross | 58,603 |
Non-accruing loans | 20,440 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Loans receivable, gross | 26,570 | 18,047
Non-accruing loans | 14,447 | 11,961
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Loans receivable, gross | 3,542 | 4,928
Non-accruing loans | 3,292 | 3,228
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Loans receivable, gross | 27,375 | 10,036
Non-accruing loans | 1,706 | 2,094
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Loans receivable, gross | 1,116 | 766
Non-accruing loans | 995 | 766
Substandard [Member] | Construction Portfolio Segment [Member] |  |
Loans receivable, gross |  | 33,777
Non-accruing loans |  | 18,049
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 6,325 | 4,441
Performing (accruing) loans, current | 724,533 | 789,674
Loans receivable, gross | 730,858 | 794,115
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,333 |
Performing (accruing) loans, current | 275,287 | 302,453
Loans receivable, gross | 277,620 | 302,453
Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,962 | 658
Performing (accruing) loans, current | 156,722 | 171,603
Loans receivable, gross | 159,684 | 172,261
Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 902 | 956
Performing (accruing) loans, current | 144,640 | 170,825
Loans receivable, gross | 145,542 | 171,781
Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 128 | 2,827
Performing (accruing) loans, current | 72,004 | 82,341
Loans receivable, gross | 72,132 | 85,168
Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 61,534 | 48,388
Loans receivable, gross | 61,534 | 48,388
Performing Financial Instruments [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 14,346 | 14,064
Loans receivable, gross | 14,346 | 14,064
Performing Financial Instruments [Member] | Pass [Member] |  |
Performing (accruing) loans, past due | 4,096 | 4,162
Performing (accruing) loans, current | 681,162 | 773,389
Loans receivable, gross | 685,258 | 777,551
Performing Financial Instruments [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 903 |
Performing (accruing) loans, current | 264,594 | 295,982
Loans receivable, gross | 265,497 | 295,982
Performing Financial Instruments [Member] | Pass [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,962 | 658
Performing (accruing) loans, current | 156,472 | 169,903
Loans receivable, gross | 159,434 | 170,561
Performing Financial Instruments [Member] | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 200 | 677
Performing (accruing) loans, current | 112,236 | 162,711
Loans receivable, gross | 112,436 | 163,388
Performing Financial Instruments [Member] | Pass [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 31 | 2,827
Performing (accruing) loans, current | 71,980 | 82,341
Loans receivable, gross | 72,011 | 85,168
Performing Financial Instruments [Member] | Pass [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 61,534 | 48,388
Loans receivable, gross | 61,534 | 48,388
Performing Financial Instruments [Member] | Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 14,346 | 14,064
Loans receivable, gross | 14,346 | 14,064
Performing Financial Instruments [Member] | Special Mention [Member] |  |
Performing (accruing) loans, past due |  | 279
Performing (accruing) loans, current | 7,437 | 557
Loans receivable, gross | 7,437 | 836
Performing Financial Instruments [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  | 385
Loans receivable, gross |  | 385
Performing Financial Instruments [Member] | Special Mention [Member] | Commercial and Industrial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  | 279
Performing (accruing) loans, current | 7,437 | 172
Loans receivable, gross | 7,437 | 451
Performing Financial Instruments [Member] | Substandard [Member] |  |
Performing (accruing) loans, past due | 2,229 |
Performing (accruing) loans, current | 35,934 |
Loans receivable, gross | 38,163 |
Performing Financial Instruments [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,430 |
Performing (accruing) loans, current | 10,693 | 6,086
Loans receivable, gross | 12,123 | 6,086
Performing Financial Instruments [Member] | Substandard [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 250 | 1,700
Loans receivable, gross | 250 | 1,700
Performing Financial Instruments [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 702 |
Performing (accruing) loans, current | 24,967 | 7,942
Loans receivable, gross | 25,669 | 7,942
Performing Financial Instruments [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 97 |
Performing (accruing) loans, current | 24 |
Loans receivable, gross | 121 |
Performing Financial Instruments [Member] | Substandard [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  | 15,728
Loans receivable, gross |  | 15,728
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5,445 | 4,069
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,333 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,283 | 658
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 702 | 606
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 127 | 2,805
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |
Performing (accruing) loans, past due | 3,216 | 3,790
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 903 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,283 | 658
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  | 327
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 30 | 2,805
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] |  |
Performing (accruing) loans, past due |  | 279
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial and Industrial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  | 279
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] |  |
Performing (accruing) loans, past due | 2,229 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,430 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 702 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 97 |
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 201 | 353
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 200 | 350
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1 | 3
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |
Performing (accruing) loans, past due | 201 | 353
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 200 | 350
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1 | 3
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial and Industrial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 679 | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 679 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |
Performing (accruing) loans, past due | 679 | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 679 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Pass [Member] | Construction to Permanent Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Special Mention [Member] | Commercial and Industrial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] | Substandard [Member] | Construction Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953401-111524 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922355-210448 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447 + Details
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