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Note 3 - Loans and Allowance for Loan Losses - Age Analysis of Past Due Loans (Details) - USD ($) | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Loans | $ 2,881,493,000 | $ 2,753,085,000
Originated Loan [Member] |  |
Past due loans | 115,000 | 658,000
Current loans | 2,609,571,000 | 2,451,788,000
Loans | 2,609,686,000 | 2,452,446,000
Loans past due 90 days or more still accruing interest | 0 | 0
Acquired Loan [Member] |  |
Past due loans | 1,249,000 | 3,125,000
Current loans | 270,558,000 | 297,514,000
Loans | 271,807,000 | 300,639,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] |  |
Loans | 2,464,555,000 | 2,360,106,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans | 881,196,000 | 822,723,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Loans | 45,158,000 | 44,885,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Loans | 556,868,000 | 548,619,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Loans | 852,844,000 | 816,282,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Loans | 128,489,000 | 127,597,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 186,000
Current loans | 2,274,931,000 | 2,151,812,000
Loans | 2,274,931,000 | 2,151,998,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 186,000
Current loans | 833,589,000 | 768,512,000
Loans | 833,589,000 | 768,698,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Current loans | 40,609,000 | 39,950,000
Loans | 40,609,000 | 39,950,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Current loans | 513,016,000 | 500,188,000
Loans | 513,016,000 | 500,188,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Current loans | 786,666,000 | 745,127,000
Loans | 786,666,000 | 745,127,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Current loans | 101,051,000 | 98,035,000
Loans | 101,051,000 | 98,035,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 349,000 | 1,147,000
Current loans | 189,275,000 | 206,961,000
Loans | 189,624,000 | 208,108,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 8,000
Current loans | 47,607,000 | 54,017,000
Loans | 47,607,000 | 54,025,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 122,000 | 19,000
Current loans | 4,427,000 | 4,916,000
Loans | 4,549,000 | 4,935,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 105,000 | 1,058,000
Current loans | 43,747,000 | 47,373,000
Loans | 43,852,000 | 48,431,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 122,000 | 62,000
Current loans | 66,056,000 | 71,093,000
Loans | 66,178,000 | 71,155,000
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Current loans | 27,438,000 | 29,562,000
Loans | 27,438,000 | 29,562,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] |  |
Loans | 416,938,000 | 392,979,000
Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Loans | 81,320,000 | 85,439,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Loans | 335,618,000 | 307,540,000
Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 115,000 | 472,000
Current loans | 334,640,000 | 299,976,000
Loans | 334,755,000 | 300,448,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 7,000 | 44,000
Current loans | 64,240,000 | 64,979,000
Loans | 64,247,000 | 65,023,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 108,000 | 428,000
Current loans | 270,400,000 | 234,997,000
Loans | 270,508,000 | 235,425,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 900,000 | 1,978,000
Current loans | 81,283,000 | 90,553,000
Loans | 82,183,000 | 92,531,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 159,000 | 198,000
Current loans | 16,914,000 | 20,218,000
Loans | 17,073,000 | 20,416,000
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 741,000 | 1,780,000
Current loans | 64,369,000 | 70,335,000
Loans | 65,110,000 | 72,115,000
Loans past due 90 days or more still accruing interest | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Originated Loan [Member] |  |
Past due loans | 7,000 | 521,000
Financial Asset, 30 to 59 Days Past Due [Member] | Acquired Loan [Member] |  |
Past due loans | 531,000 | 1,185,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 186,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 186,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 218,000 | 197,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 8,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 122,000 | 19,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 108,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 96,000 | 62,000
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 7,000 | 335,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 7,000 | 44,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 0 | 291,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 313,000 | 988,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 126,000 | 167,000
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 187,000 | 821,000
Financial Asset, 60 to 89 Days Past Due [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Acquired Loan [Member] |  |
Past due loans | 259,000 | 1,328,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 105,000 | 950,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 105,000 | 950,000
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 154,000 | 378,000
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 13,000 | 31,000
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 141,000 | 347,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Originated Loan [Member] |  |
Past due loans | 108,000 | 137,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Acquired Loan [Member] |  |
Past due loans | 459,000 | 612,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 26,000 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Past due loans | 26,000 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Past due loans | 108,000 | 137,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | 108,000 | 137,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Past due loans | 433,000 | 612,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Past due loans | 20,000 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Past due loans | $ 413,000 | $ 612,000

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