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Note 3 - Loans and Allowance for Loan Losses - Age Analysis of Past Due Loans (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Loans and Leases Receivable, Net of Deferred Income, Total |  | $ 3,453,459,000 | $ 3,193,470,000
Loans past due 90 days or more still accruing interest |  | 155,000 | 0
Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 2,950,424,000 | 2,793,962,000
Loans past due 90 days or more still accruing interest |  | 155,000 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total | [1] | 1,137,419,000 | 1,145,423,000
Loans past due 90 days or more still accruing interest |  | 155,000 | 0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 43,239,000 | 55,055,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 565,758,000 | 529,953,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,027,415,000 | 917,436,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 176,593,000 | 146,095,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 503,035,000 | 399,508,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 60,488,000 | 61,620,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 442,547,000 | 337,888,000
Loans past due 90 days or more still accruing interest |  | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,424,000 | 1,520,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 27,000 | 261,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 14,000 | 261,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 13,000 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,397,000 | 1,259,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 132,000 | 112,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,265,000 | 1,147,000
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 243,000 | 681,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 369,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 172,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 197,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 243,000 | 312,000
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 2,000 | 65,000
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 241,000 | 247,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 295,000 | 840,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 193,000 | 444,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 193,000 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 421,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 23,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 102,000 | 396,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 20,000 | 54,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 82,000 | 342,000
Financial Asset, Past Due [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,962,000 | 3,041,000
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 220,000 | 1,074,000
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 207,000 | 433,000
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 13,000 | 0
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 618,000
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 23,000
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 0 | 0
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,742,000 | 1,967,000
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 154,000 | 231,000
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,588,000 | 1,736,000
Financial Asset, Not Past Due [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 3,451,497,000 | 3,190,429,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 2,950,204,000 | 2,792,888,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,137,212,000 | 1,144,990,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 43,226,000 | 55,055,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 565,758,000 | 529,335,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 1,027,415,000 | 917,413,000
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 176,593,000 | 146,095,000
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 501,293,000 | 397,541,000
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | 60,334,000 | 61,389,000
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |  |
Loans and Leases Receivable, Net of Deferred Income, Total |  | $ 440,959,000 | $ 336,152,000
[1] | For December 31, 2021, and December 31, 2020, includes $40.1 million and $365 million in loans originated under the Paycheck Protection Program, respectively.

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