Note 4 - Loans, Allowance for Loan Losses/Credit Losses and Other Real Estate Owned - Risk Category of Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Loans	$ 1,316,359	$ 1,126,664
Current	1,304,707	1,114,951
Nonaccrual	4,233	4,440
Financial Asset, 30 to 59 Days Past Due [Member]
Past due	5,896	4,197
Financial Asset, 60 to 89 Days Past Due [Member]
Past due	1,233	2,636
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	290	440
Commercial Portfolio Segment [Member]
Loans	439,793	222,085
Current	439,449	221,199
Nonaccrual	115	197
Commercial Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	220	531
Commercial Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	9	158
Commercial Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	0	0
Commercial Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	23,053
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	5,962
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	27,296
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	12,096
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	22,572
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	45,375
Commercial Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	267,146
Commercial Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	403,500
Commercial Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	36,293
Commercial Real Estate Portfolio Segment [Member]
Loans	572,421	578,758
Current	564,554	573,809
Nonaccrual	3,835	4,096
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	3,675	432
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	357	421
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	0	0
Commercial Real Estate Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	102,083
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	52,813
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	55,889
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	104,611
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	95,509
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	95,999
Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	65,517
Commercial Real Estate Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	572,421
Commercial Real Estate Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Construction Portfolio Segment [Member]
Loans	151	1,618
Current	151	1,618
Nonaccrual	0	0
Construction Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	0	0
Construction Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	0	0
Construction Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	0	0
Construction Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Construction Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Construction Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	151
Residential Portfolio Segment [Member]
Loans	27,147	32,748
Current	26,204	31,934
Nonaccrual	0	0
Residential Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	521	274
Residential Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	422	540
Residential Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	0	0
Residential Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	27,147
Residential Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Residential Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	27,147
Residential Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Consumer Portfolio Segment [Member]
Loans	276,847	291,455
Current	274,349	286,391
Nonaccrual	283	147
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	1,480	2,960
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	445	1,517
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	290	440
Consumer Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	5,744
Current	5,699
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loan Originated Prior [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	31
Consumer Portfolio Segment [Member] \| Term Loan Originated Prior [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	8
Consumer Portfolio Segment [Member] \| Term Loan Originated Prior [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	6
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	7,349
Current	7,230
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	61
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	23
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	35
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	21,123
Current	20,962
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	102
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	30
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	29
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	25,156
Current	24,868
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	206
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	32
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	50
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	51,825
Current	51,487
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	200
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	59
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	79
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	67,984
Current	67,430
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	316
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	153
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	85
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	64,530
Current	64,259
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	248
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	20
Consumer Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	3
Consumer Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	243,711
Current	241,935
Nonaccrual	0
Consumer Portfolio Segment [Member] \| Total Term Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	1,164
Consumer Portfolio Segment [Member] \| Total Term Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	325
Consumer Portfolio Segment [Member] \| Total Term Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	287
Consumer Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	33,136
Current	32,414
Nonaccrual	283
Consumer Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Past due	316
Consumer Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Past due	120
Consumer Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Past due	3
Pass [Member]
Loans	1,292,824	1,103,164
Pass [Member] \| Commercial Portfolio Segment [Member]
Loans	431,326	213,542
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	22,973
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	5,962
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	27,294
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	12,096
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	22,572
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	45,375
Pass [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	259,214
Pass [Member] \| Commercial Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	395,486
Pass [Member] \| Commercial Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	35,840
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans	561,272	567,525
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	98,947
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	51,492
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	50,154
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	104,502
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	95,509
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	95,999
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	64,669
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	561,272
Pass [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member]
Loans	151	1,618
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Pass [Member] \| Construction Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	151
Pass [Member] \| Residential Portfolio Segment [Member]
Loans	25,750	31,055
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	25,750
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Pass [Member] \| Residential Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	25,750
Pass [Member] \| Residential Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Pass [Member] \| Consumer Portfolio Segment [Member]
Loans	274,325	289,424
Substandard [Member]
Loans	22,725	22,798
Substandard [Member] \| Commercial Portfolio Segment [Member]
Loans	8,467	8,543
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	80
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	2
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	7,932
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	8,014
Substandard [Member] \| Commercial Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	453
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans	11,149	11,233
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	3,136
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	1,321
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	5,735
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	109
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	848
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	11,149
Substandard [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member]
Loans	0	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Substandard [Member] \| Construction Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member]
Loans	1,397	1,693
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	1,397
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Substandard [Member] \| Residential Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	1,397
Substandard [Member] \| Residential Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Substandard [Member] \| Consumer Portfolio Segment [Member]
Loans	1,712	1,329
Doubtful [Member]
Loans	401	308
Doubtful [Member] \| Commercial Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Doubtful [Member] \| Commercial Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Doubtful [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Doubtful [Member] \| Construction Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Doubtful [Member] \| Residential Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Doubtful [Member] \| Consumer Portfolio Segment [Member]
Loans	401	308
Unlikely to be Collected Financing Receivable [Member]
Loans	409	394
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member]
Loans	0	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2016 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2017 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2018 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2019 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Term Loans Originated in 2020 [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Total Term Loans [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Portfolio Segment [Member] \| Revolving Loans Amortized Cost Basis [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans	0	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loan Originated Prior [Member]
Loans	0
Unlikely to be Collected Financing Receivable [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Term Loans Originated in 2015 [Member]

Note 4 - Loans, Allowance for Loan Losses/Credit Losses and Other Real Estate Owned - Risk Category of Loans by Class (Details) - USD ($)
$ in Thousands