XML 32 R22.htm IDEA: XBRL DOCUMENT
v3.19.2

Note 3 - Loans and Allowance for Loan Losses (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Percent |
|  | June 30, 2019 |  |  | December 31, 2018 |  |  | Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 833,589,000 |  |  |  | 31.9 | % |  | $ | 768,698,000 |  |  |  | 31.3 | % |  |  | 8.4 | %
Vacant land, land development, and residential construction |  |  | 40,609,000 |  |  |  | 1.6 |  |  |  | 39,950,000 |  |  |  | 1.6 |  |  |  | 1.6 |
Real estate – owner occupied |  |  | 513,016,000 |  |  |  | 19.7 |  |  |  | 500,188,000 |  |  |  | 20.4 |  |  |  | 2.6 |
Real estate – non-owner occupied |  |  | 786,666,000 |  |  |  | 30.1 |  |  |  | 745,127,000 |  |  |  | 30.4 |  |  |  | 5.6 |
Real estate – multi-family and residential rental |  |  | 101,051,000 |  |  |  | 3.9 |  |  |  | 98,035,000 |  |  |  | 4.0 |  |  |  | 3.1 |
Total commercial |  |  | 2,274,931,000 |  |  |  | 87.2 |  |  |  | 2,151,998,000 |  |  |  | 87.7 |  |  |  | 5.7 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 64,247,000 |  |  |  | 2.4 |  |  |  | 65,023,000 |  |  |  | 2.7 |  |  |  | (1.2 | )
1-4 family mortgages |  |  | 270,508,000 |  |  |  | 10.4 |  |  |  | 235,425,000 |  |  |  | 9.6 |  |  |  | 14.9 |
Total retail |  |  | 334,755,000 |  |  |  | 12.8 |  |  |  | 300,448,000 |  |  |  | 12.3 |  |  |  | 11.4 |
Total originated loans |  | $ | 2,609,686,000 |  |  |  | 100.0 | % |  | $ | 2,452,446,000 |  |  |  | 100.0 | % |  |  | 6.4 | %
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Percent |
|  | June 30, 2019 |  |  | December 31, 2018 |  |  | Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 47,607,000 |  |  |  | 17.5 | % |  | $ | 54,025,000 |  |  |  | 18.0 | % |  |  | (11.9 | %)
Vacant land, land development, and residential construction |  |  | 4,549,000 |  |  |  | 1.7 |  |  |  | 4,935,000 |  |  |  | 1.6 |  |  |  | (7.8 | )
Real estate – owner occupied |  |  | 43,852,000 |  |  |  | 16.2 |  |  |  | 48,431,000 |  |  |  | 16.1 |  |  |  | (9.5 | )
Real estate – non-owner occupied |  |  | 66,178,000 |  |  |  | 24.3 |  |  |  | 71,155,000 |  |  |  | 23.7 |  |  |  | (7.0 | )
Real estate – multi-family and residential rental |  |  | 27,438,000 |  |  |  | 10.1 |  |  |  | 29,562,000 |  |  |  | 9.8 |  |  |  | (7.2 | )
Total commercial |  |  | 189,624,000 |  |  |  | 69.8 |  |  |  | 208,108,000 |  |  |  | 69.2 |  |  |  | (8.9 | )
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 17,073,000 |  |  |  | 6.3 |  |  |  | 20,416,000 |  |  |  | 6.8 |  |  |  | (16.4 | )
1-4 family mortgages |  |  | 65,110,000 |  |  |  | 23.9 |  |  |  | 72,115,000 |  |  |  | 24.0 |  |  |  | (9.7 | )
Total retail |  |  | 82,183,000 |  |  |  | 30.2 |  |  |  | 92,531,000 |  |  |  | 30.8 |  |  |  | (11.2 | )
Total acquired loans |  | $ | 271,807,000 |  |  |  | 100.0 | % |  | $ | 300,639,000 |  |  |  | 100.0 | % |  |  | (9.6 | %)
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Percent |
|  | June 30, 2019 |  |  | December 31, 2018 |  |  | Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Total loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 881,196,000 |  |  |  | 30.6 | % |  | $ | 822,723,000 |  |  |  | 29.9 | % |  |  | 7.1 | %
Vacant land, land development, and residential construction |  |  | 45,158,000 |  |  |  | 1.6 |  |  |  | 44,885,000 |  |  |  | 1.6 |  |  |  | 0.6 |
Real estate – owner occupied |  |  | 556,868,000 |  |  |  | 19.3 |  |  |  | 548,619,000 |  |  |  | 19.9 |  |  |  | 1.5 |
Real estate – non-owner occupied |  |  | 852,844,000 |  |  |  | 29.6 |  |  |  | 816,282,000 |  |  |  | 29.7 |  |  |  | 4.5 |
Real estate – multi-family and residential rental |  |  | 128,489,000 |  |  |  | 4.4 |  |  |  | 127,597,000 |  |  |  | 4.6 |  |  |  | 0.7 |
Total commercial |  |  | 2,464,555,000 |  |  |  | 85.5 |  |  |  | 2,360,106,000 |  |  |  | 85.7 |  |  |  | 4.4 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 81,320,000 |  |  |  | 2.8 |  |  |  | 85,439,000 |  |  |  | 3.1 |  |  |  | (4.8 | )
1-4 family mortgages |  |  | 335,618,000 |  |  |  | 11.7 |  |  |  | 307,540,000 |  |  |  | 11.2 |  |  |  | 9.1 |
Total retail |  |  | 416,938,000 |  |  |  | 14.5 |  |  |  | 392,979,000 |  |  |  | 14.3 |  |  |  | 6.1 |
Total loans |  | $ | 2,881,493,000 |  |  |  | 100.0 | % |  | $ | 2,753,085,000 |  |  |  | 100.0 | % |  |  | 4.7 | %
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Accretable Yield Movement [Table Text Block] |
Balance at March 31, 2019 |  | $ | 1,270,000 |
Additions |  |  | 7,000 |
Accretion income |  |  | (106,000 | )
Net reclassification from nonaccretable to accretable |  |  | 83,000 |
Reductions (1) |  |  | (19,000 | )
Balance at June 30, 2019 |  | $ | 1,235,000 |
Balance at December 31, 2018 |  | $ | 1,274,000 |
Additions |  |  | 9,000 |
Accretion income |  |  | (225,000 | )
Net reclassification from nonaccretable to accretable |  |  | 204,000 |
Reductions (1) |  |  | (27,000 | )
Balance at June 30, 2019 |  | $ | 1,235,000 |
Balance at March 31, 2018 |  | $ | 1,319,000 |
Additions |  |  | 0 |
Accretion income |  |  | (123,000 | )
Net reclassification from nonaccretable to accretable |  |  | 86,000 |
Reductions (1) |  |  | (35,000 | )
Balance at June 30, 2018 |  | $ | 1,247,000 |
Balance at December 31, 2017 |  | $ | 1,404,000 |
Additions |  |  | 0 |
Accretion income |  |  | (254,000 | )
Net reclassification from nonaccretable to accretable |  |  | 172,000 |
Reductions (1) |  |  | (75,000 | )
Balance at June 30, 2018 |  | $ | 1,247,000 |
Financing Receivable, Nonaccrual [Table Text Block] |
|  | June 30, 2019 |  |  | December 31, 2018 |
Loans past due 90 days or more still accruing interest |  | $ | 0 |  |  | $ | 0 |
Nonaccrual loans |  |  | 723,000 |  |  |  | 803,000 |
Total nonperforming originated loans |  | $ | 723,000 |  |  | $ | 803,000 |
|  | June 30, 2019 |  |  | December 31, 2018 |
Loans past due 90 days or more still accruing interest |  | $ | 0 |  |  | $ | 0 |
Nonaccrual loans |  |  | 2,782,000 |  |  |  | 3,338,000 |
Total nonperforming acquired loans |  | $ | 2,782,000 |  |  | $ | 3,338,000 |
|  | June 30, 2019 |  |  | December 31, 2018 |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 2,000 |  |  | $ | 17,000 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 642,000 |  |  |  | 950,000 |
Real estate – non-owner occupied |  |  | 26,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 130,000 |  |  |  | 141,000 |
Total commercial |  |  | 800,000 |  |  |  | 1,108,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 419,000 |  |  |  | 454,000 |
1-4 family mortgages |  |  | 2,286,000 |  |  |  | 2,579,000 |
Total retail |  |  | 2,705,000 |  |  |  | 3,033,000 |
Total nonperforming loans |  | $ | 3,505,000 |  |  | $ | 4,141,000 |
Financing Receivable, Past Due [Table Text Block] |
|  | 30 – 59 Days Past Due |  |  | 60 – 89 Days Past Due |  |  | Greater Than 89 Days Past Due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Balance > 89 Days and Accruing |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 833,589,000 |  |  | $ | 833,589,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 40,609,000 |  |  |  | 40,609,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 513,016,000 |  |  |  | 513,016,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 786,666,000 |  |  |  | 786,666,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 101,051,000 |  |  |  | 101,051,000 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 2,274,931,000 |  |  |  | 2,274,931,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 7,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 7,000 |  |  |  | 64,240,000 |  |  |  | 64,247,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 108,000 |  |  |  | 108,000 |  |  |  | 270,400,000 |  |  |  | 270,508,000 |  |  |  | 0 |
Total retail |  |  | 7,000 |  |  |  | 0 |  |  |  | 108,000 |  |  |  | 115,000 |  |  |  | 334,640,000 |  |  |  | 334,755,000 |  |  |  | 0 |
Total past due loans |  | $ | 7,000 |  |  | $ | 0 |  |  | $ | 108,000 |  |  | $ | 115,000 |  |  | $ | 2,609,571,000 |  |  | $ | 2,609,686,000 |  |  | $ | 0 |
|  | 30 – 59 Days Past Due |  |  | 60 – 89 Days Past Due |  |  | Greater Than 89 Days Past Due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Balance > 89 Days and Accruing |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 47,607,000 |  |  | $ | 47,607,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 122,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 122,000 |  |  |  | 4,427,000 |  |  |  | 4,549,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 105,000 |  |  |  | 0 |  |  |  | 105,000 |  |  |  | 43,747,000 |  |  |  | 43,852,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 96,000 |  |  |  | 0 |  |  |  | 26,000 |  |  |  | 122,000 |  |  |  | 66,056,000 |  |  |  | 66,178,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 27,438,000 |  |  |  | 27,438,000 |  |  |  | 0 |
Total commercial |  |  | 218,000 |  |  |  | 105,000 |  |  |  | 26,000 |  |  |  | 349,000 |  |  |  | 189,275,000 |  |  |  | 189,624,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 126,000 |  |  |  | 13,000 |  |  |  | 20,000 |  |  |  | 159,000 |  |  |  | 16,914,000 |  |  |  | 17,073,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 187,000 |  |  |  | 141,000 |  |  |  | 413,000 |  |  |  | 741,000 |  |  |  | 64,369,000 |  |  |  | 65,110,000 |  |  |  | 0 |
Total retail |  |  | 313,000 |  |  |  | 154,000 |  |  |  | 433,000 |  |  |  | 900,000 |  |  |  | 81,283,000 |  |  |  | 82,183,000 |  |  |  | 0 |
Total past due loans |  | $ | 531,000 |  |  | $ | 259,000 |  |  | $ | 459,000 |  |  | $ | 1,249,000 |  |  | $ | 270,558,000 |  |  | $ | 271,807,000 |  |  | $ | 0 |
|  | 30 – 59 Days Past Due |  |  | 60 – 89 Days Past Due |  |  | Greater Than 89 Days Past Due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Balance > 89 Days and Accruing |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 186,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 186,000 |  |  | $ | 768,512,000 |  |  | $ | 768,698,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 39,950,000 |  |  |  | 39,950,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 500,188,000 |  |  |  | 500,188,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 745,127,000 |  |  |  | 745,127,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 98,035,000 |  |  |  | 98,035,000 |  |  |  | 0 |
Total commercial |  |  | 186,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 186,000 |  |  |  | 2,151,812,000 |  |  |  | 2,151,998,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 44,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 44,000 |  |  |  | 64,979,000 |  |  |  | 65,023,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 291,000 |  |  |  | 0 |  |  |  | 137,000 |  |  |  | 428,000 |  |  |  | 234,997,000 |  |  |  | 235,425,000 |  |  |  | 0 |
Total retail |  |  | 335,000 |  |  |  | 0 |  |  |  | 137,000 |  |  |  | 472,000 |  |  |  | 299,976,000 |  |  |  | 300,448,000 |  |  |  | 0 |
Total past due loans |  | $ | 521,000 |  |  | $ | 0 |  |  | $ | 137,000 |  |  | $ | 658,000 |  |  | $ | 2,451,788,000 |  |  | $ | 2,452,446,000 |  |  | $ | 0 |
|  | 30 – 59 Days Past Due |  |  | 60 – 89 Days Past Due |  |  | Greater Than 89 Days Past Due |  |  | Total Past Due |  |  | Current |  |  | Total Loans |  |  | Recorded Balance > 89 Days and Accruing |
Acquired Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 8,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 8,000 |  |  | $ | 54,017,000 |  |  | $ | 54,025,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 19,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 19,000 |  |  |  | 4,916,000 |  |  |  | 4,935,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 108,000 |  |  |  | 950,000 |  |  |  | 0 |  |  |  | 1,058,000 |  |  |  | 47,373,000 |  |  |  | 48,431,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 62,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 62,000 |  |  |  | 71,093,000 |  |  |  | 71,155,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 29,562,000 |  |  |  | 29,562,000 |  |  |  | 0 |
Total commercial |  |  | 197,000 |  |  |  | 950,000 |  |  |  | 0 |  |  |  | 1,147,000 |  |  |  | 206,961,000 |  |  |  | 208,108,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 167,000 |  |  |  | 31,000 |  |  |  | 0 |  |  |  | 198,000 |  |  |  | 20,218,000 |  |  |  | 20,416,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 821,000 |  |  |  | 347,000 |  |  |  | 612,000 |  |  |  | 1,780,000 |  |  |  | 70,335,000 |  |  |  | 72,115,000 |  |  |  | 0 |
Total retail |  |  | 988,000 |  |  |  | 378,000 |  |  |  | 612,000 |  |  |  | 1,978,000 |  |  |  | 90,553,000 |  |  |  | 92,531,000 |  |  |  | 0 |
Total past due loans |  | $ | 1,185,000 |  |  | $ | 1,328,000 |  |  | $ | 612,000 |  |  | $ | 3,125,000 |  |  | $ | 297,514,000 |  |  | $ | 300,639,000 |  |  | $ | 0 |
Impaired Financing Receivables [Table Text Block] |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 10,007,000 |  |  | $ | 10,007,000 |  |  |  |  |  |  | $ | 9,792,000 |  |  | $ | 9,396,000 |
Vacant land, land development and residential construction |  |  | 88,000 |  |  |  | 88,000 |  |  |  |  |  |  |  | 90,000 |  |  |  | 91,000 |
Real estate – owner occupied |  |  | 2,059,000 |  |  |  | 2,059,000 |  |  |  |  |  |  |  | 1,281,000 |  |  |  | 1,064,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 135,000 |  |  |  | 126,000 |  |  |  |  |  |  |  | 63,000 |  |  |  | 42,000 |
Total commercial |  |  | 12,289,000 |  |  |  | 12,280,000 |  |  |  |  |  |  |  | 11,226,000 |  |  |  | 10,593,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 829,000 |  |  |  | 807,000 |  |  |  |  |  |  |  | 707,000 |  |  |  | 667,000 |
1-4 family mortgages |  |  | 910,000 |  |  |  | 338,000 |  |  |  |  |  |  |  | 351,000 |  |  |  | 364,000 |
Total retail |  |  | 1,739,000 |  |  |  | 1,145,000 |  |  |  |  |  |  |  | 1,058,000 |  |  |  | 1,031,000 |
Total with no related allowance recorded |  | $ | 14,028,000 |  |  | $ | 13,425,000 |  |  |  |  |  |  | $ | 12,284,000 |  |  | $ | 11,624,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 13,656,000 |  |  | $ | 13,656,000 |  |  | $ | 2,051,000 |  |  | $ | 9,581,000 |  |  | $ | 8,058,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 1,348,000 |  |  |  | 1,785,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 65,000 |  |  |  | 89,000 |
Total commercial |  |  | 13,656,000 |  |  |  | 13,656,000 |  |  |  | 2,051,000 |  |  |  | 10,994,000 |  |  |  | 9,932,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 386,000 |  |  |  | 373,000 |  |  |  | 158,000 |  |  |  | 377,000 |  |  |  | 395,000 |
1-4 family mortgages |  |  | 406,000 |  |  |  | 331,000 |  |  |  | 18,000 |  |  |  | 334,000 |  |  |  | 336,000 |
Total retail |  |  | 792,000 |  |  |  | 704,000 |  |  |  | 176,000 |  |  |  | 711,000 |  |  |  | 731,000 |
Total with an allowance recorded |  | $ | 14,448,000 |  |  | $ | 14,360,000 |  |  | $ | 2,227,000 |  |  | $ | 11,705,000 |  |  | $ | 10,663,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 25,945,000 |  |  | $ | 25,936,000 |  |  | $ | 2,051,000 |  |  | $ | 22,220,000 |  |  | $ | 20,525,000 |
Retail |  |  | 2,531,000 |  |  |  | 1,849,000 |  |  |  | 176,000 |  |  |  | 1,769,000 |  |  |  | 1,762,000 |
Total impaired loans |  | $ | 28,476,000 |  |  | $ | 27,785,000 |  |  | $ | 2,227,000 |  |  | $ | 23,989,000 |  |  | $ | 22,287,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 360,000 |  |  | $ | 353,000 |  |  |  |  |  |  | $ | 422,000 |  |  | $ | 414,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 944,000 |  |  |  | 916,000 |  |  |  |  |  |  |  | 802,000 |  |  |  | 932,000 |
Real estate – non-owner occupied |  |  | 213,000 |  |  |  | 211,000 |  |  |  |  |  |  |  | 175,000 |  |  |  | 117,000 |
Real estate – multi-family and residential rental |  |  | 40,000 |  |  |  | 21,000 |  |  |  |  |  |  |  | 26,000 |  |  |  | 26,000 |
Total commercial |  |  | 1,557,000 |  |  |  | 1,501,000 |  |  |  |  |  |  |  | 1,425,000 |  |  |  | 1,489,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 686,000 |  |  |  | 628,000 |  |  |  |  |  |  |  | 653,000 |  |  |  | 555,000 |
1-4 family mortgages |  |  | 2,462,000 |  |  |  | 1,734,000 |  |  |  |  |  |  |  | 1,850,000 |  |  |  | 1,850,000 |
Total retail |  |  | 3,148,000 |  |  |  | 2,362,000 |  |  |  |  |  |  |  | 2,503,000 |  |  |  | 2,405,000 |
Total with no related allowance recorded |  | $ | 4,705,000 |  |  | $ | 3,863,000 |  |  |  |  |  |  | $ | 3,928,000 |  |  | $ | 3,894,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 140,000 |  |  | $ | 138,000 |  |  | $ | 32,000 |  |  | $ | 106,000 |  |  | $ | 126,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 36,000 |  |  |  | 73,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 47,000 |  |  |  | 101,000 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 1,000 |
Total commercial |  |  | 140,000 |  |  |  | 138,000 |  |  |  | 32,000 |  |  |  | 189,000 |  |  |  | 301,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 243,000 |  |  |  | 241,000 |  |  |  | 107,000 |  |  |  | 195,000 |  |  |  | 277,000 |
1-4 family mortgages |  |  | 408,000 |  |  |  | 385,000 |  |  |  | 83,000 |  |  |  | 305,000 |  |  |  | 327,000 |
Total retail |  |  | 651,000 |  |  |  | 626,000 |  |  |  | 190,000 |  |  |  | 500,000 |  |  |  | 604,000 |
Total with an allowance recorded |  | $ | 791,000 |  |  | $ | 764,000 |  |  | $ | 222,000 |  |  | $ | 689,000 |  |  | $ | 905,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 1,697,000 |  |  | $ | 1,639,000 |  |  | $ | 32,000 |  |  | $ | 1,614,000 |  |  | $ | 1,790,000 |
Retail |  |  | 3,799,000 |  |  |  | 2,988,000 |  |  |  | 190,000 |  |  |  | 3,003,000 |  |  |  | 3,009,000 |
Total impaired loans |  | $ | 5,496,000 |  |  | $ | 4,627,000 |  |  | $ | 222,000 |  |  | $ | 4,617,000 |  |  | $ | 4,799,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 8,604,000 |  |  | $ | 8,604,000 |  |  |  |  |  |  | $ | 373,000 |  |  | $ | 308,000 |
Vacant land, land development and residential construction |  |  | 94,000 |  |  |  | 94,000 |  |  |  |  |  |  |  | 50,000 |  |  |  | 45,000 |
Real estate – owner occupied |  |  | 632,000 |  |  |  | 632,000 |  |  |  |  |  |  |  | 1,453,000 |  |  |  | 1,453,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 283,000 |  |  |  | 305,000 |
Total commercial |  |  | 9,330,000 |  |  |  | 9,330,000 |  |  |  |  |  |  |  | 2,159,000 |  |  |  | 2,111,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 607,000 |  |  |  | 586,000 |  |  |  |  |  |  |  | 684,000 |  |  |  | 683,000 |
1-4 family mortgages |  |  | 1,053,000 |  |  |  | 390,000 |  |  |  |  |  |  |  | 405,000 |  |  |  | 422,000 |
Total retail |  |  | 1,660,000 |  |  |  | 976,000 |  |  |  |  |  |  |  | 1,089,000 |  |  |  | 1,105,000 |
Total with no related allowance recorded |  | $ | 10,990,000 |  |  | $ | 10,306,000 |  |  |  |  |  |  | $ | 3,248,000 |  |  | $ | 3,216,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 5,011,000 |  |  | $ | 5,011,000 |  |  | $ | 83,000 |  |  | $ | 2,089,000 |  |  | $ | 2,389,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 2,658,000 |  |  |  | 2,658,000 |  |  |  | 363,000 |  |  |  | 1,713,000 |  |  |  | 1,606,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 140,000 |  |  |  | 135,000 |  |  |  | 5,000 |  |  |  | 143,000 |  |  |  | 96,000 |
Total commercial |  |  | 7,809,000 |  |  |  | 7,804,000 |  |  |  | 451,000 |  |  |  | 3,945,000 |  |  |  | 4,091,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 442,000 |  |  |  | 431,000 |  |  |  | 194,000 |  |  |  | 494,000 |  |  |  | 712,000 |
1-4 family mortgages |  |  | 409,000 |  |  |  | 341,000 |  |  |  | 44,000 |  |  |  | 351,000 |  |  |  | 270,000 |
Total retail |  |  | 851,000 |  |  |  | 772,000 |  |  |  | 238,000 |  |  |  | 845,000 |  |  |  | 982,000 |
Total with an allowance recorded |  | $ | 8,660,000 |  |  | $ | 8,576,000 |  |  | $ | 689,000 |  |  | $ | 4,790,000 |  |  | $ | 5,073,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 17,139,000 |  |  | $ | 17,134,000 |  |  | $ | 451,000 |  |  | $ | 6,104,000 |  |  | $ | 6,202,000 |
Retail |  |  | 2,511,000 |  |  |  | 1,748,000 |  |  |  | 238,000 |  |  |  | 1,934,000 |  |  |  | 2,087,000 |
Total impaired loans |  | $ | 19,650,000 |  |  | $ | 18,882,000 |  |  | $ | 689,000 |  |  | $ | 8,038,000 |  |  | $ | 8,289,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With no related allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 398,000 |  |  | $ | 398,000 |  |  |  |  |  |  | $ | 720,000 |  |  | $ | 821,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1,193,000 |  |  |  | 1,193,000 |  |  |  |  |  |  |  | 677,000 |  |  |  | 671,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 228,000 |  |  |  | 231,000 |
Real estate – multi-family and residential rental |  |  | 45,000 |  |  |  | 26,000 |  |  |  |  |  |  |  | 42,000 |  |  |  | 101,000 |
Total commercial |  |  | 1,636,000 |  |  |  | 1,617,000 |  |  |  |  |  |  |  | 1,667,000 |  |  |  | 1,824,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 388,000 |  |  |  | 361,000 |  |  |  |  |  |  |  | 710,000 |  |  |  | 642,000 |
1-4 family mortgages |  |  | 2,494,000 |  |  |  | 1,849,000 |  |  |  |  |  |  |  | 2,000,000 |  |  |  | 2,051,000 |
Total retail |  |  | 2,882,000 |  |  |  | 2,210,000 |  |  |  |  |  |  |  | 2,710,000 |  |  |  | 2,693,000 |
Total with no related allowance recorded |  | $ | 4,518,000 |  |  | $ | 3,827,000 |  |  |  |  |  |  | $ | 4,377,000 |  |  | $ | 4,517,000 |
|  | Unpaid Contractual Principal Balance |  |  | Recorded Principal Balance |  |  | Related Allowance |  |  | Second Quarter Average Recorded Principal Balance |  |  | Year-To- Date Average Recorded Principal Balance |
With an allowance recorded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 175,000 |  |  | $ | 166,000 |  |  | $ | 43,000 |  |  | $ | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 147,000 |  |  |  | 147,000 |  |  |  | 0 |  |  |  | 799,000 |  |  |  | 533,000 |
Real estate – non-owner occupied |  |  | 210,000 |  |  |  | 210,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 3,000 |  |  |  | 3,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 535,000 |  |  |  | 526,000 |  |  |  | 43,000 |  |  |  | 799,000 |  |  |  | 533,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 462,000 |  |  |  | 440,000 |  |  |  | 178,000 |  |  |  | 17,000 |  |  |  | 12,000 |
1-4 family mortgages |  |  | 418,000 |  |  |  | 371,000 |  |  |  | 89,000 |  |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 880,000 |  |  |  | 811,000 |  |  |  | 267,000 |  |  |  | 17,000 |  |  |  | 12,000 |
Total with an allowance recorded |  | $ | 1,415,000 |  |  | $ | 1,337,000 |  |  | $ | 310,000 |  |  | $ | 816,000 |  |  | $ | 545,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 2,171,000 |  |  | $ | 2,143,000 |  |  | $ | 43,000 |  |  | $ | 2,466,000 |  |  | $ | 2,357,000 |
Retail |  |  | 3,762,000 |  |  |  | 3,021,000 |  |  |  | 267,000 |  |  |  | 2,727,000 |  |  |  | 2,705,000 |
Total impaired loans |  | $ | 5,933,000 |  |  | $ | 5,164,000 |  |  | $ | 310,000 |  |  | $ | 5,193,000 |  |  | $ | 5,062,000 |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi-Family and Residential Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 521,211,000 |  |  | $ | 24,520,000 |  |  | $ | 320,067,000 |  |  | $ | 544,164,000 |  |  | $ | 72,767,000 |
Grades 5 – 7 |  |  | 288,248,000 |  |  |  | 16,001,000 |  |  |  | 190,466,000 |  |  |  | 242,415,000 |  |  |  | 28,109,000 |
Grades 8 – 9 |  |  | 24,130,000 |  |  |  | 88,000 |  |  |  | 2,483,000 |  |  |  | 87,000 |  |  |  | 175,000 |
Total commercial |  | $ | 833,589,000 |  |  | $ | 40,609,000 |  |  | $ | 513,016,000 |  |  | $ | 786,666,000 |  |  | $ | 101,051,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi- Family and Residential Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 28,882,000 |  |  | $ | 1,126,000 |  |  | $ | 19,972,000 |  |  | $ | 51,606,000 |  |  | $ | 16,409,000 |
Grades 5 – 7 |  |  | 18,213,000 |  |  |  | 3,176,000 |  |  |  | 22,750,000 |  |  |  | 14,404,000 |  |  |  | 10,987,000 |
Grades 8 – 9 |  |  | 512,000 |  |  |  | 247,000 |  |  |  | 1,130,000 |  |  |  | 168,000 |  |  |  | 42,000 |
Total commercial |  | $ | 47,607,000 |  |  | $ | 4,549,000 |  |  | $ | 43,852,000 |  |  | $ | 66,178,000 |  |  | $ | 27,438,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi- Family and Residential Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 508,611,000 |  |  | $ | 28,170,000 |  |  | $ | 325,459,000 |  |  | $ | 526,445,000 |  |  | $ | 75,051,000 |
Grades 5 – 7 |  |  | 238,942,000 |  |  |  | 11,686,000 |  |  |  | 163,455,000 |  |  |  | 218,682,000 |  |  |  | 22,798,000 |
Grades 8 – 9 |  |  | 21,145,000 |  |  |  | 94,000 |  |  |  | 11,274,000 |  |  |  | 0 |  |  |  | 186,000 |
Total commercial |  | $ | 768,698,000 |  |  | $ | 39,950,000 |  |  | $ | 500,188,000 |  |  | $ | 745,127,000 |  |  | $ | 98,035,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi- Family and Residential Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 34,678,000 |  |  | $ | 1,246,000 |  |  | $ | 21,595,000 |  |  | $ | 54,401,000 |  |  | $ | 16,050,000 |
Grades 5 – 7 |  |  | 19,122,000 |  |  |  | 3,431,000 |  |  |  | 25,485,000 |  |  |  | 16,687,000 |  |  |  | 13,460,000 |
Grades 8 – 9 |  |  | 225,000 |  |  |  | 258,000 |  |  |  | 1,351,000 |  |  |  | 67,000 |  |  |  | 52,000 |
Total commercial |  | $ | 54,025,000 |  |  | $ | 4,935,000 |  |  | $ | 48,431,000 |  |  | $ | 71,155,000 |  |  | $ | 29,562,000 |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Commercial Loans |  |  | Retail Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at March 31, 2019 |  | $ | 20,050,000 |  |  | $ | 2,140,000 |  |  | $ | 228,000 |  |  | $ | 22,418,000 |
Provision for loan losses |  |  | 979,000 |  |  |  | 50,000 |  |  |  | (131,000 | ) |  |  | 898,000 |
Charge-offs |  |  | (2,000 | ) |  |  | (75,000 | ) |  |  | 0 |  |  |  | (77,000 | )
Recoveries |  |  | 46,000 |  |  |  | 46,000 |  |  |  | 0 |  |  |  | 92,000 |
Ending balance |  | $ | 21,073,000 |  |  | $ | 2,161,000 |  |  | $ | 97,000 |  |  | $ | 23,331,000 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  | $ | 19,442,000 |  |  | $ | 2,068,000 |  |  | $ | 44,000 |  |  | $ | 21,554,000 |
Provision for loan losses |  |  | 1,559,000 |  |  |  | 255,000 |  |  |  | 53,000 |  |  |  | 1,867,000 |
Charge-offs |  |  | (2,000 | ) |  |  | (250,000 | ) |  |  | 0 |  |  |  | (252,000 | )
Recoveries |  |  | 74,000 |  |  |  | 88,000 |  |  |  | 0 |  |  |  | 162,000 |
Ending balance |  | $ | 21,073,000 |  |  | $ | 2,161,000 |  |  | $ | 97,000 |  |  | $ | 23,331,000 |
Ending balance: individually evaluated for impairment |  | $ | 2,051,000 |  |  | $ | 176,000 |  |  | $ | 0 |  |  | $ | 2,227,000 |
Ending balance: collectively evaluated for impairment |  | $ | 19,022,000 |  |  | $ | 1,985,000 |  |  | $ | 97,000 |  |  | $ | 21,104,000 |
Total loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 2,274,931,000 |  |  | $ | 334,755,000 |  |  |  |  |  |  | $ | 2,609,686,000 |
Ending balance: individually evaluated for impairment |  | $ | 25,936,000 |  |  | $ | 1,849,000 |  |  |  |  |  |  | $ | 27,785,000 |
Ending balance: collectively evaluated for impairment |  | $ | 2,248,995,000 |  |  | $ | 332,906,000 |  |  |  |  |  |  | $ | 2,581,901,000 |
|  | Commercial Loans |  |  | Retail Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at March 31, 2019 |  | $ | 161,000 |  |  | $ | 556,000 |  |  | $ | 0 |  |  | $ | 717,000 |
Provision for loan losses |  |  | 36,000 |  |  |  | (34,000 | ) |  |  | 0 |  |  |  | 2,000 |
Charge-offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Recoveries |  |  | 1,000 |  |  |  | 2,000 |  |  |  | 0 |  |  |  | 3,000 |
Ending balance |  | $ | 198,000 |  |  | $ | 524,000 |  |  | $ | 0 |  |  | $ | 722,000 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  | $ | 177,000 |  |  | $ | 649,000 |  |  | $ | 0 |  |  | $ | 826,000 |
Provision for loan losses |  |  | 20,000 |  |  |  | (137,000 | ) |  |  | 0 |  |  |  | (117,000 | )
Charge-offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Recoveries |  |  | 1,000 |  |  |  | 12,000 |  |  |  | 0 |  |  |  | 13,000 |
Ending balance |  | $ | 198,000 |  |  | $ | 524,000 |  |  | $ | 0 |  |  | $ | 722,000 |
|  | Commercial Loans |  |  | Retail Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at March 31, 2018 |  | $ | 16,865,000 |  |  | $ | 2,001,000 |  |  | $ | 215,000 |  |  | $ | 19,081,000 |
Provision for loan losses |  |  | 892,000 |  |  |  | 297,000 |  |  |  | (275,000 | ) |  |  | 914,000 |
Charge-offs |  |  | (85,000 | ) |  |  | (189,000 | ) |  |  | 0 |  |  |  | (274,000 | )
Recoveries |  |  | 654,000 |  |  |  | 107,000 |  |  |  | 0 |  |  |  | 761,000 |
Ending balance |  | $ | 18,326,000 |  |  | $ | 2,216,000 |  |  | $ | (60,000 | ) |  | $ | 20,482,000 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2017 |  | $ | 16,456,000 |  |  | $ | 2,584,000 |  |  | $ | 93,000 |  |  | $ | 19,133,000 |
Provision for loan losses |  |  | 551,000 |  |  |  | (266,000 | ) |  |  | (153,000 | ) |  |  | 132,000 |
Charge-offs |  |  | (342,000 | ) |  |  | (324,000 | ) |  |  | 0 |  |  |  | (666,000 | )
Recoveries |  |  | 1,661,000 |  |  |  | 222,000 |  |  |  | 0 |  |  |  | 1,883,000 |
Ending balance |  | $ | 18,326,000 |  |  | $ | 2,216,000 |  |  | $ | (60,000 | ) |  | $ | 20,482,000 |
Ending balance: individually evaluated for impairment |  | $ | 391,000 |  |  | $ | 283,000 |  |  | $ | 0 |  |  | $ | 674,000 |
Ending balance: collectively evaluated for impairment |  | $ | 17,935,000 |  |  | $ | 1,933,000 |  |  | $ | (60,000 | ) |  | $ | 19,808,000 |
Total loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 2,151,998,000 |  |  | $ | 300,448,000 |  |  |  |  |  |  | $ | 2,452,446,000 |
Ending balance: individually evaluated for impairment |  | $ | 17,134,000 |  |  | $ | 1,748,000 |  |  |  |  |  |  | $ | 18,882,000 |
Ending balance: collectively evaluated for impairment |  | $ | 2,134,864,000 |  |  | $ | 298,700,000 |  |  |  |  |  |  | $ | 2,433,564,000 |
|  | Commercial Loans |  |  | Retail Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at March 31, 2018 |  | $ | 359,000 |  |  | $ | 534,000 |  |  | $ | 0 |  |  | $ | 893,000 |
Provision for loan losses |  |  | (254,000 | ) |  |  | 40,000 |  |  |  | 0 |  |  |  | (214,000 | )
Charge-offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Recoveries |  |  | 0 |  |  |  | 6,000 |  |  |  | 0 |  |  |  | 6,000 |
Ending balance |  | $ | 105,000 |  |  | $ | 580,000 |  |  | $ | 0 |  |  | $ | 685,000 |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2017 |  | $ | 291,000 |  |  | $ | 77,000 |  |  | $ | 0 |  |  | $ | 368,000 |
Provision for loan losses |  |  | 60,000 |  |  |  | 508,000 |  |  |  | 0 |  |  |  | 568,000 |
Charge-offs |  |  | (246,000 | ) |  |  | (15,000 | ) |  |  | 0 |  |  |  | (261,000 | )
Recoveries |  |  | 0 |  |  |  | 10,000 |  |  |  | 0 |  |  |  | 10,000 |
Ending balance |  | $ | 105,000 |  |  | $ | 580,000 |  |  | $ | 0 |  |  | $ | 685,000 |
Financing Receivable, Troubled Debt Restructuring [Table Text Block] |
|  | Number of Contracts |  |  | Pre- Modification Recorded Principal Balance |  |  | Post- Modification Recorded Principal Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 3 |  |  | $ | 14,040,000 |  |  | $ | 14,337,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 1,567,000 |  |  |  | 1,567,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated commercial |  |  | 4 |  |  |  | 15,607,000 |  |  |  | 15,904,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 2 |  |  |  | 23,000 |  |  |  | 23,000 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 2 |  |  |  | 23,000 |  |  |  | 23,000 |
Total originated loans |  |  | 6 |  |  | $ | 15,630,000 |  |  | $ | 15,927,000 |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired commercial |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 2 |  |  |  | 70,000 |  |  |  | 71,000 |
1-4 family mortgages |  |  | 3 |  |  |  | 122,000 |  |  |  | 122,000 |
Total acquired retail |  |  | 5 |  |  |  | 192,000 |  |  |  | 193,000 |
Total acquired loans |  |  | 5 |  |  | $ | 192,000 |  |  | $ | 193,000 |
|  | Number of Contracts |  |  | Pre- Modification Recorded Principal Balance |  |  | Post- Modification Recorded Principal Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 6 |  |  | $ | 14,429,000 |  |  | $ | 14,726,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 1,567,000 |  |  |  | 1,567,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated commercial |  |  | 7 |  |  |  | 15,996,000 |  |  |  | 16,293,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 2 |  |  |  | 23,000 |  |  |  | 23,000 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 2 |  |  |  | 23,000 |  |  |  | 23,000 |
Total originated loans |  |  | 9 |  |  | $ | 16,019,000 |  |  | $ | 16,316,000 |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 690,000 |  |  |  | 679,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired commercial |  |  | 1 |  |  |  | 690,000 |  |  |  | 679,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 6 |  |  |  | 140,000 |  |  |  | 141,000 |
1-4 family mortgages |  |  | 4 |  |  |  | 154,000 |  |  |  | 154,000 |
Total acquired retail |  |  | 10 |  |  |  | 294,000 |  |  |  | 295,000 |
Total acquired loans |  |  | 11 |  |  | $ | 984,000 |  |  | $ | 974,000 |
|  | Number of Contracts |  |  | Pre- Modification Recorded Principal Balance |  |  | Post- Modification Recorded Principal Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 2 |  |  | $ | 974,000 |  |  | $ | 1,079,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated commercial |  |  | 2 |  |  |  | 974,000 |  |  |  | 1,079,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated loans |  |  | 2 |  |  | $ | 974,000 |  |  | $ | 1,079,000 |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired commercial |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 5 |  |  |  | 113,000 |  |  |  | 114,000 |
1-4 family mortgages |  |  | 1 |  |  |  | 24,000 |  |  |  | 24,000 |
Total acquired retail |  |  | 6 |  |  |  | 137,000 |  |  |  | 138,000 |
Total acquired loans |  |  | 6 |  |  | $ | 137,000 |  |  | $ | 138,000 |
|  | Number of Contracts |  |  | Pre- Modification Recorded Principal Balance |  |  | Post- Modification Recorded Principal Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 4 |  |  | $ | 1,068,000 |  |  | $ | 1,162,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 2 |  |  |  | 1,192,000 |  |  |  | 1,180,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated commercial |  |  | 6 |  |  |  | 2,260,000 |  |  |  | 2,342,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 1 |  |  |  | 50,000 |  |  |  | 50,000 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 1 |  |  |  | 50,000 |  |  |  | 50,000 |
Total originated loans |  |  | 7 |  |  | $ | 2,310,000 |  |  | $ | 2,392,000 |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired commercial |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 10 |  |  |  | 217,000 |  |  |  | 218,000 |
1-4 family mortgages |  |  | 1 |  |  |  | 24,000 |  |  |  | 24,000 |
Total acquired retail |  |  | 11 |  |  |  | 241,000 |  |  |  | 242,000 |
Total acquired loans |  |  | 11 |  |  | $ | 241,000 |  |  | $ | 242,000 |
Troubled Debt Restructurings on Financing Receivables with in Previous Twelve Months that Became Over Thirty Days Past Due [Table Text Block] |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 0 |  |  | $ | 0 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 0 |  |  | $ | 0 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 0 |  |  | $ | 0 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 0 |  |  | $ | 0 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 195,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 1 |  |  |  | 195,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 1 |  |  | $ | 195,000 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 195,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 1 |  |  |  | 195,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 1 |  |  | $ | 195,000 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 1 |  |  |  | 5,000 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 1 |  |  |  | 5,000 |
Total |  |  | 1 |  |  | $ | 5,000 |
|  | Number of Contracts |  |  | Recorded Principal Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 1 |  |  |  | 5,000 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 1 |  |  |  | 5,000 |
Total |  |  | 1 |  |  | $ | 5,000 |
Trouble Debt Restructuring Activity [Table Text Block] |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi-Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 15,072,000 |  |  | $ | 0 |  |  | $ | 2,713,000 |  |  | $ | 0 |  |  | $ | 0 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (3,099,000 | ) |  |  | 0 |  |  |  | (2,311,000 | ) |  |  | 0 |  |  |  | 0 |
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 11,672,000 |  |  |  | 0 |  |  |  | 1,180,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 23,645,000 |  |  | $ | 0 |  |  | $ | 1,582,000 |  |  | $ | 0 |  |  | $ | 0 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 915,000 |  |  | $ | 142,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | (25,000 | ) |  |  | (1,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 23,000 |  |  |  | 0 |
Ending Balance |  | $ | 913,000 |  |  | $ | 141,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi-Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 538,000 |  |  | $ | 0 |  |  | $ | 982,000 |  |  | $ | 189,000 |  |  | $ | 21,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (49,000 | ) |  |  | 0 |  |  |  | (66,000 | ) |  |  | (4,000 | ) |  |  | (4,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 489,000 |  |  | $ | 0 |  |  | $ | 916,000 |  |  | $ | 185,000 |  |  | $ | 17,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 529,000 |  |  | $ | 458,000 |
Charge-Offs |  |  | (18,000 | ) |  |  | 0 |
Payments |  |  | (37,000 | ) |  |  | (13,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 79,000 |  |  |  | 120,000 |
Ending Balance |  | $ | 553,000 |  |  | $ | 565,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi-Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 13,590,000 |  |  | $ | 0 |  |  | $ | 2,682,000 |  |  | $ | 0 |  |  | $ | 0 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (4,755,000 | ) |  |  | 0 |  |  |  | (2,350,000 | ) |  |  | 0 |  |  |  | 0 |
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 14,810,000 |  |  |  | 0 |  |  |  | 1,250,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 23,645,000 |  |  | $ | 0 |  |  | $ | 1,582,000 |  |  | $ | 0 |  |  | $ | 0 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 938,000 |  |  | $ | 142,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | (48,000 | ) |  |  | (1,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 23,000 |  |  |  | 0 |
Ending Balance |  | $ | 913,000 |  |  | $ | 141,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 548,000 |  |  | $ | 0 |  |  | $ | 418,000 |  |  | $ | 210,000 |  |  | $ | 24,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (59,000 | ) |  |  | 0 |  |  |  | (75,000 | ) |  |  | (25,000 | ) |  |  | (7,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | (97,000 | ) |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |  |  |  | 670,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 489,000 |  |  | $ | 0 |  |  | $ | 916,000 |  |  | $ | 185,000 |  |  | $ | 17,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 464,000 |  |  | $ | 436,000 |
Charge-Offs |  |  | (18,000 | ) |  |  | 0 |
Payments |  |  | (42,000 | ) |  |  | (23,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 149,000 |  |  |  | 152,000 |
Ending Balance |  | $ | 553,000 |  |  | $ | 565,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,982,000 |  |  | $ | 338,000 |  |  | $ | 4,548,000 |  |  | $ | 0 |  |  | $ | 0 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (53,000 | ) |  |  | (109,000 | ) |  |  | (2,764,000 | ) |  |  | 0 |  |  |  | 0 |
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 496,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 2,425,000 |  |  | $ | 229,000 |  |  | $ | 1,784,000 |  |  | $ | 0 |  |  | $ | 0 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,169,000 |  |  | $ | 144,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | (150,000 | ) |  |  | (1,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 1,019,000 |  |  | $ | 143,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 716,000 |  |  | $ | 0 |  |  | $ | 2,007,000 |  |  | $ | 232,000 |  |  | $ | 36,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (22,000 | ) |  |  | 0 |  |  |  | (1,614,000 | ) |  |  | (7,000 | ) |  |  | (4,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 694,000 |  |  | $ | 0 |  |  | $ | 393,000 |  |  | $ | 225,000 |  |  | $ | 32,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 240,000 |  |  | $ | 384,000 |
Charge-Offs |  |  | (15,000 | ) |  |  | 0 |
Payments |  |  | (36,000 | ) |  |  | (8,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 113,000 |  |  |  | 24,000 |
Ending Balance |  | $ | 302,000 |  |  | $ | 400,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 2,989,000 |  |  | $ | 383,000 |  |  | $ | 1,599,000 |  |  | $ | 0 |  |  | $ | 0 |
Charge-Offs |  |  | (230,000 | ) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (935,000 | ) |  |  | (154,000 | ) |  |  | (3,619,000 | ) |  |  | 0 |  |  |  | 0 |
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 601,000 |  |  |  | 0 |  |  |  | 3,804,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 2,425,000 |  |  | $ | 229,000 |  |  | $ | 1,784,000 |  |  | $ | 0 |  |  | $ | 0 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,127,000 |  |  | $ | 146,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | (158,000 | ) |  |  | (3,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 50,000 |  |  |  | 0 |
Ending Balance |  | $ | 1,019,000 |  |  | $ | 143,000 |
|  | Commercial and Industrial |  |  | Commercial Vacant Land, Land Development, and Residential Construction |  |  | Commercial Real Estate - Owner Occupied |  |  | Commercial Real Estate - Non-Owner Occupied |  |  | Commercial Real Estate - Multi Family and Residential Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,001,000 |  |  | $ | 0 |  |  | $ | 427,000 |  |  | $ | 237,000 |  |  | $ | 41,000 |
Charge-Offs |  |  | (275,000 | ) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (32,000 | ) |  |  | 0 |  |  |  | (1,633,000 | ) |  |  | (12,000 | ) |  |  | (9,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |  |  |  | 1,599,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 694,000 |  |  | $ | 0 |  |  | $ | 393,000 |  |  | $ | 225,000 |  |  | $ | 32,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 219,000 |  |  | $ | 393,000 |
Charge-Offs |  |  | (30,000 | ) |  |  | 0 |
Payments |  |  | (37,000 | ) |  |  | (17,000 | )
Transfers to ORE |  |  | (82,000 | ) |  |  | 0 |
Net Additions/Deletions |  |  | 232,000 |  |  |  | 24,000 |
Ending Balance |  | $ | 302,000 |  |  | $ | 400,000 |
Allowance Related to Loans Categorized as Troubled Debt Restructurings [Table Text Block] |
|  | June 30, 2019 |  |  | December 31, 2018 |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 2,083,000 |  |  | $ | 126,000 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 363,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 2,083,000 |  |  |  | 489,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 234,000 |  |  |  | 337,000 |
1-4 family mortgages |  |  | 95,000 |  |  |  | 110,000 |
Total retail |  |  | 329,000 |  |  |  | 447,000 |
Total related allowance |  | $ | 2,412,000 |  |  | $ | 936,000 |
Retail Portfolio Segment [Member] |
Notes Tables |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Total retail |  | $ | 64,247,000 |  |  | $ | 270,508,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Total retail |  | $ | 17,073,000 |  |  | $ | 65,110,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Total retail |  | $ | 65,023,000 |  |  | $ | 235,425,000 |
|  | Retail Home Equity and Other |  |  | Retail 1-4 Family Mortgages |
Total retail |  | $ | 20,416,000 |  |  | $ | 72,115,000 |

X
- Definition Tabular disclosure of the allowance related to loans categorized as troubled debt restructurings by loan class. + References No definition available. + Details
Name: | mbwm_AllowanceRelatedToLoansCategorizedAsTroubledDebtRestructuringsTableTextBlock
Namespace Prefix: | mbwm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Roll forward of the accretable yield for certain loans acquired with deteriorated credit quality not accounted for as debt securities. + References No definition available. + Details
Name: | mbwm_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementTableTextBlock
Namespace Prefix: | mbwm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity for loans modified as troubled debt restructurings. Includes charge-offs, payments, transfers to Other Real Estate and net additions/deletions. + References No definition available. + Details
Name: | mbwm_TroubleDebtRestructuringActivityTableTextBlock
Namespace Prefix: | mbwm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for troubled debt restructurings on financing receivables within the previous twelve months that became over thirty days past due. + References No definition available. + Details
Name: | mbwm_TroubledDebtRestructuringsOnFinancingReceivablesWithInPreviousTwelveMonthsThatBecameOverThirtyDaysPastDueTableTextBlock
Namespace Prefix: | mbwm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on financing receivable. + 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 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953659-111524 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aging analysis for financing receivable. + References Reference 1: 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=119407570&loc=SL82919253-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524 Reference 3: 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=118955255&loc=SL82922355-210448 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447 + Details
Name: | us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524 + Details
Name: | us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=mbwm_RetailPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |