XML 21 R25.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 4 - Loans and Allowance for Loan Losses (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Note 4 - Loans and Allowance for Loan Losses (Tables) [Line Items] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Percent |
|  | March 31, 2015 |  |  | December 31, 2014 |  |  | Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 434,211,000 |  |  |  | 32.6 | % |  | $ | 384,570,000 |  |  |  | 30.8 | % |  |  | 12.9 | %
Vacant land, land development, and residential construction |  |  | 35,948,000 |  |  |  | 2.7 |  |  |  | 29,826,000 |  |  |  | 2.4 |  |  |  | 20.5 |
Real estate – owner occupied |  |  | 302,379,000 |  |  |  | 22.8 |  |  |  | 291,758,000 |  |  |  | 23.4 |  |  |  | 3.6 |
Real estate – non-owner occupied |  |  | 423,381,000 |  |  |  | 31.9 |  |  |  | 410,977,000 |  |  |  | 33.0 |  |  |  | 3.0 |
Real estate – multi-family and residential rental |  |  | 34,922,000 |  |  |  | 2.6 |  |  |  | 36,058,000 |  |  |  | 2.9 |  |  |  | (3.2 | )
Total commercial |  |  | 1,230,841,000 |  |  |  | 92.6 |  |  |  | 1,153,189,000 |  |  |  | 92.5 |  |  |  | 6.7 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 53,707,000 |  |  |  | 4.1 |  |  |  | 50,059,000 |  |  |  | 4.0 |  |  |  | 7.3 |
1-4 family mortgages |  |  | 44,165,000 |  |  |  | 3.3 |  |  |  | 42,868,000 |  |  |  | 3.5 |  |  |  | 3.0 |
Total retail |  |  | 97,872,000 |  |  |  | 7.4 |  |  |  | 92,927,000 |  |  |  | 7.5 |  |  |  | 5.3 |
Total originated loans |  | $ | 1,328,713,000 |  |  |  | 100.0 | % |  | $ | 1,246,116,000 |  |  |  | 100.0 | % |  |  | 6.6 | %
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Percent |
|  | March 31, 2015 |  |  | December 31, 2014 |  |  | Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 153,464,000 |  |  |  | 19.4 | % |  | $ | 166,037,000 |  |  |  | 19.7 |  |  |  | (7.6 | )%
Vacant land, land development, and residential construction |  |  | 20,102,000 |  |  |  | 2.5 |  |  |  | 22,148,000 |  |  |  | 2.6 |  |  |  | (9.2 | )
Real estate – owner occupied |  |  | 129,616,000 |  |  |  | 16.4 |  |  |  | 138,630,000 |  |  |  | 16.4 |  |  |  | (6.5 | )
Real estate – non-owner occupied |  |  | 142,771,000 |  |  |  | 18.0 |  |  |  | 148,597,000 |  |  |  | 17.6 |  |  |  | (3.9 | )
Real estate – multi-family and residential rental |  |  | 82,555,000 |  |  |  | 10.4 |  |  |  | 86,702,000 |  |  |  | 10.3 |  |  |  | (4.8 | )
Total commercial |  |  | 528,508,000 |  |  |  | 66.7 |  |  |  | 562,114,000 |  |  |  | 66.6 |  |  |  | (6.0 | )
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 99,279,000 |  |  |  | 12.5 |  |  |  | 109,219,000 |  |  |  | 13.0 |  |  |  | (9.1 | )
1-4 family mortgages |  |  | 164,260,000 |  |  |  | 20.8 |  |  |  | 171,828,000 |  |  |  | 20.4 |  |  |  | (4.4 | )
Total retail |  |  | 263,539,000 |  |  |  | 33.3 |  |  |  | 281,047,000 |  |  |  | 33.4 |  |  |  | (6.2 | )
Total acquired loans |  | $ | 792,047,000 |  |  |  | 100.0 | % |  | $ | 843,161,000 |  |  |  | 100.0 | % |  |  | (6.1 | )%
|  | March 31, 2015 |  |  | December 31, 2014 |  |  | Percent Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Total loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 587,675,000 |  |  |  | 27.7 | % |  | $ | 550,607,000 |  |  |  | 26.4 | % |  |  | 6.7 | %
Vacant land, land development, and residential construction |  |  | 56,050,000 |  |  |  | 2.7 |  |  |  | 51,974,000 |  |  |  | 2.5 |  |  |  | 7.8 |
Real estate – owner occupied |  |  | 431,995,000 |  |  |  | 20.4 |  |  |  | 430,388,000 |  |  |  | 20.5 |  |  |  | 0.4 |
Real estate – non-owner occupied |  |  | 566,152,000 |  |  |  | 26.7 |  |  |  | 559,574,000 |  |  |  | 26.8 |  |  |  | 1.2 |
Real estate – multi-family and residential rental |  |  | 117,477,000 |  |  |  | 5.5 |  |  |  | 122,760,000 |  |  |  | 5.9 |  |  |  | (4.3 | )
Total commercial |  |  | 1,759,349,000 |  |  |  | 83.0 |  |  |  | 1,715,303,000 |  |  |  | 82.1 |  |  |  | 2.6 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 152,986,000 |  |  |  | 7.2 |  |  |  | 159,278,000 |  |  |  | 7.6 |  |  |  | (4.0 | )
1-4 family mortgages |  |  | 208,425,000 |  |  |  | 9.8 |  |  |  | 214,696,000 |  |  |  | 10.3 |  |  |  | (2.9 | )
Total retail |  |  | 361,411,000 |  |  |  | 17.0 |  |  |  | 373,974,000 |  |  |  | 17.9 |  |  |  | (3.4 | )
Total loans |  | $ | 2,120,760,000 |  |  |  | 100.0 | % |  | $ | 2,089,277,000 |  |  |  | 100.0 | % |  |  | 1.5 | %
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Accretable Yield Movement [Table Text Block] |
Balance at December 31, 2014 |  | $ | 4,998,000 |
Additions |  |  | 0 |
Accretion income |  |  | (646,000 | )
Net reclassification from nonaccretable to accretable |  |  | 941,000 |
Reductions (1) |  |  | (52,000 | )
Ending balance |  | $ | 5,241,000 |
Schedule of Financing Receivables, Non Accrual Status [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Loans past due 90 days or more still accruing interest |  | $ | 0 |  |  | $ | 0 |
Nonaccrual loans |  |  | 23,077,000 |  |  |  | 26,048,000 |
Total nonperforming originated loans |  | $ | 23,077,000 |  |  | $ | 26,048,000 |
|  | March 31, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Loans past due 90 days or more still accruing interest |  | $ | 0 |  |  | $ | 26,000 |
Nonaccrual loans |  |  | 3,190,000 |  |  |  | 3,358,000 |
Total nonperforming acquired loans |  | $ | 3,190,000 |  |  | $ | 3,384,000 |
|  | March 31, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 5,636,000 |  |  | $ | 6,478,000 |
Vacant land, land development, and residential construction |  |  | 197,000 |  |  |  | 209,000 |
Real estate – owner occupied |  |  | 17,467,000 |  |  |  | 18,062,000 |
Real estate – non-owner occupied |  |  | 360,000 |  |  |  | 378,000 |
Real estate – multi-family and residential rental |  |  | 87,000 |  |  |  | 106,000 |
Total commercial |  |  | 23,747,000 |  |  |  | 25,233,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 762,000 |  |  |  | 800,000 |
1-4 family mortgages |  |  | 1,758,000 |  |  |  | 3,399,000 |
Total retail |  |  | 2,520,000 |  |  |  | 4,199,000 |
Total nonperforming loans |  | $ | 26,267,000 |  |  | $ | 29,432,000 |
Past Due Financing Receivables [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Greater |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Recorded Balance |
|  | 30 – 59 |  |  | 60 – 89 |  |  | Than 89 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | > 89 |
|  | Days |  |  | Days |  |  | Days |  |  | Total |  |  |  |  |  |  | Total |  |  | Days and |
|  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Current |  |  | Loans |  |  | Accruing |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 434,211,000 |  |  | $ | 434,211,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 35,948,000 |  |  |  | 35,948,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 106,000 |  |  |  | 106,000 |  |  |  | 302,273,000 |  |  |  | 302,379,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 113,000 |  |  |  | 113,000 |  |  |  | 423,268,000 |  |  |  | 423,381,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 34,922,000 |  |  |  | 34,922,000 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |  |  |  | 219,000 |  |  |  | 219,000 |  |  |  | 1,230,622,000 |  |  |  | 1,230,841,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 133,000 |  |  |  | 300,000 |  |  |  | 0 |  |  |  | 433,000 |  |  |  | 53,274,000 |  |  |  | 53,707,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 84,000 |  |  |  | 321,000 |  |  |  | 405,000 |  |  |  | 43,760,000 |  |  |  | 44,165,000 |  |  |  | 0 |
Total retail |  |  | 133,000 |  |  |  | 384,000 |  |  |  | 321,000 |  |  |  | 838,000 |  |  |  | 97,034,000 |  |  |  | 97,872,000 |  |  |  | 0 |
Total past due loans |  | $ | 133,000 |  |  | $ | 384,000 |  |  | $ | 540,000 |  |  | $ | 1,057,000 |  |  | $ | 1,327,656,000 |  |  | $ | 1,328,713,000 |  |  | $ | 0 |
|  |  |  |  |  |  |  |  |  | Greater |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Recorded Balance |
|  | 30 – 59 |  |  | 60 – 89 |  |  | Than 89 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | > 89 |
|  | Days |  |  | Days |  |  | Days |  |  | Total |  |  |  |  |  |  | Total |  |  | Days and |
|  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Current |  |  | Loans |  |  | Accruing |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 285,000 |  |  | $ | 0 |  |  | $ | 711,000 |  |  | $ | 996,000 |  |  | $ | 152,468,000 |  |  | $ | 153,464,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 26,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 26,000 |  |  |  | 20,076,000 |  |  |  | 20,102,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1,371,000 |  |  |  | 0 |  |  |  | 1,041,000 |  |  |  | 2,412,000 |  |  |  | 127,204,000 |  |  |  | 129,616,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 296,000 |  |  |  | 296,000 |  |  |  | 142,475,000 |  |  |  | 142,771,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 69,000 |  |  |  | 93,000 |  |  |  | 162,000 |  |  |  | 82,393,000 |  |  |  | 82,555,000 |  |  |  | 0 |
Total commercial |  |  | 1,682,000 |  |  |  | 69,000 |  |  |  | 2,141,000 |  |  |  | 3,892,000 |  |  |  | 524,616,000 |  |  |  | 528,508,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 245,000 |  |  |  | 90,000 |  |  |  | 362,000 |  |  |  | 697,000 |  |  |  | 98,582,000 |  |  |  | 99,279,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 1,204,000 |  |  |  | 54,000 |  |  |  | 1,021,000 |  |  |  | 2,279,000 |  |  |  | 161,981,000 |  |  |  | 164,260,000 |  |  |  | 0 |
Total retail |  |  | 1,449,000 |  |  |  | 144,000 |  |  |  | 1,383,000 |  |  |  | 2,976,000 |  |  |  | 260,563,000 |  |  |  | 263,539,000 |  |  |  | 0 |
Total past due loans |  | $ | 3,131,000 |  |  | $ | 213,000 |  |  | $ | 3,524,000 |  |  | $ | 6,868,000 |  |  | $ | 785,179,000 |  |  | $ | 792,047,000 |  |  | $ | 0 |
|  |  |  |  |  |  |  |  |  | Greater |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Recorded Balance |
|  | 30 – 59 |  |  | 60 – 89 |  |  | Than 89 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | > 89 |
|  | Days |  |  | Days |  |  | Days |  |  | Total |  |  |  |  |  |  | Total |  |  | Days and |
|  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Current |  |  | Loans |  |  | Accruing |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 384,570,000 |  |  | $ | 384,570,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 29,826,000 |  |  |  | 29,826,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 120,000 |  |  |  | 120,000 |  |  |  | 291,638,000 |  |  |  | 291,758,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 116,000 |  |  |  | 116,000 |  |  |  | 410,861,000 |  |  |  | 410,977,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 36,058,000 |  |  |  | 36,058,000 |  |  |  | 0 |
Total commercial |  |  | 0 |  |  |  | 0 |  |  |  | 236,000 |  |  |  | 236,000 |  |  |  | 1,152,953,000 |  |  |  | 1,153,189,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 38,000 |  |  |  | 3,000 |  |  |  | 0 |  |  |  | 41,000 |  |  |  | 50,018,000 |  |  |  | 50,059,000 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 366,000 |  |  |  | 366,000 |  |  |  | 42,502,000 |  |  |  | 42,868,000 |  |  |  | 0 |
Total retail |  |  | 38,000 |  |  |  | 3,000 |  |  |  | 366,000 |  |  |  | 407,000 |  |  |  | 92,520,000 |  |  |  | 92,927,000 |  |  |  | 0 |
Total past due loans |  | $ | 38,000 |  |  | $ | 3,000 |  |  | $ | 602,000 |  |  | $ | 643,000 |  |  | $ | 1,245,473,000 |  |  | $ | 1,246,116,000 |  |  | $ | 0 |
|  |  |  |  |  |  |  | Greater |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Recorded Balance |
|  | 30 – 59 |  |  | 60 – 89 |  |  | Than 89 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | > 89 |
|  | Days |  |  | Days |  |  | Days |  |  | Total |  |  |  |  |  |  | Total |  |  | Days and |
|  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Past Due |  |  | Current |  |  | Loans |  |  | Accruing |
Acquired Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 29,000 |  |  | $ | 32,000 |  |  | $ | 76,000 |  |  | $ | 137,000 |  |  | $ | 165,900,000 |  |  | $ | 166,037,000 |  |  | $ | 0 |
Vacant land, land development, and residential construction |  |  | 0 |  |  |  | 38,000 |  |  |  | 0 |  |  |  | 38,000 |  |  |  | 22,110,000 |  |  |  | 22,148,000 |  |  |  | 0 |
Real estate – owner occupied |  |  | 51,000 |  |  |  | 425,000 |  |  |  | 1,625,000 |  |  |  | 2,101,000 |  |  |  | 136,529,000 |  |  |  | 138,630,000 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 68,000 |  |  |  | 598,000 |  |  |  | 395,000 |  |  |  | 1,061,000 |  |  |  | 147,536,000 |  |  |  | 148,597,000 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 37,000 |  |  |  | 0 |  |  |  | 105,000 |  |  |  | 142,000 |  |  |  | 86,560,000 |  |  |  | 86,702,000 |  |  |  | 0 |
Total commercial |  |  | 185,000 |  |  |  | 1,093,000 |  |  |  | 2,201,000 |  |  |  | 3,479,000 |  |  |  | 558,635,000 |  |  |  | 562,114,000 |  |  |  | 0 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 445,000 |  |  |  | 419,000 |  |  |  | 155,000 |  |  |  | 1,019,000 |  |  |  | 108,200,000 |  |  |  | 109,219,000 |  |  |  | 26,000 |
1-4 family mortgages |  |  | 1,087,000 |  |  |  | 408,000 |  |  |  | 750,000 |  |  |  | 2,245,000 |  |  |  | 169,583,000 |  |  |  | 171,828,000 |  |  |  | 0 |
Total retail |  |  | 1,532,000 |  |  |  | 827,000 |  |  |  | 905,000 |  |  |  | 3,264,000 |  |  |  | 277,783,000 |  |  |  | 281,047,000 |  |  |  | 26,000 |
Total past due loans |  | $ | 1,717,000 |  |  | $ | 1,920,000 |  |  | $ | 3,106,000 |  |  | $ | 6,743,000 |  |  | $ | 836,418,000 |  |  | $ | 843,161,000 |  |  | $ | 26,000 |
Impaired Financing Receivables [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | First Quarter |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With no related allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 1,955,000 |  |  | $ | 1,936,000 |  |  | $ | - |  |  | $ | 1,550,000 |
Vacant land, land development and residential construction |  |  | 535,000 |  |  |  | 197,000 |  |  |  | - |  |  |  | 203,000 |
Real estate – owner occupied |  |  | 3,629,000 |  |  |  | 2,000,000 |  |  |  | - |  |  |  | 1,950,000 |
Real estate – non-owner occupied |  |  | 198,000 |  |  |  | 114,000 |  |  |  | - |  |  |  | 662,000 |
Real estate – multi-family and residential rental |  |  | 368,000 |  |  |  | 309,000 |  |  |  | - |  |  |  | 313,000 |
Total commercial |  |  | 6,685,000 |  |  |  | 4,556,000 |  |  |  | - |  |  |  | 4,678,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 207,000 |  |  |  | 190,000 |  |  |  | - |  |  |  | 191,000 |
1-4 family mortgages |  |  | 1,135,000 |  |  |  | 534,000 |  |  |  | - |  |  |  | 547,000 |
Total retail |  |  | 1,342,000 |  |  |  | 724,000 |  |  |  | - |  |  |  | 738,000 |
Total with no related allowance recorded |  | $ | 8,027,000 |  |  | $ | 5,280,000 |  |  | $ | - |  |  | $ | 5,416,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | First Quarter |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 5,296,000 |  |  | $ | 5,165,000 |  |  | $ | 2,776,000 |  |  | $ | 5,196,000 |
Vacant land, land development and residential construction |  |  | 2,000,000 |  |  |  | 2,000,000 |  |  |  | 232,000 |  |  |  | 2,000,000 |
Real estate – owner occupied |  |  | 15,729,000 |  |  |  | 15,518,000 |  |  |  | 2,179,000 |  |  |  | 15,596,000 |
Real estate – non-owner occupied |  |  | 15,682,000 |  |  |  | 15,682,000 |  |  |  | 4,394,000 |  |  |  | 15,816,000 |
Real estate – multi-family and residential rental |  |  | 1,336,000 |  |  |  | 1,336,000 |  |  |  | 577,000 |  |  |  | 1,354,000 |
Total commercial |  |  | 40,043,000 |  |  |  | 39,701,000 |  |  |  | 10,158,000 |  |  |  | 39,962,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 200,000 |  |  |  | 167,000 |  |  |  | 131,000 |  |  |  | 125,000 |
1-4 family mortgages |  |  | 346,000 |  |  |  | 302,000 |  |  |  | 77,000 |  |  |  | 1,151,000 |
Total retail |  |  | 546,000 |  |  |  | 469,000 |  |  |  | 208,000 |  |  |  | 1,276,000 |
Total with an allowance recorded |  | $ | 40,589,000 |  |  | $ | 40,170,000 |  |  | $ | 10,366,000 |  |  | $ | 41,238,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 46,728,000 |  |  | $ | 44,257,000 |  |  | $ | 10,158,000 |  |  | $ | 44,640,000 |
Retail |  |  | 1,888,000 |  |  |  | 1,193,000 |  |  |  | 208,000 |  |  |  | 2,014,000 |
Total impaired loans |  | $ | 48,616,000 |  |  | $ | 45,450,000 |  |  | $ | 10,366,000 |  |  | $ | 46,654,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | First Quarter |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With no related allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 1,006,000 |  |  | $ | 956,000 |  |  | $ | - |  |  | $ | 1,267,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | - |  |  |  | 0 |
Real estate – owner occupied |  |  | 233,000 |  |  |  | 206,000 |  |  |  | - |  |  |  | 160,000 |
Real estate – non-owner occupied |  |  | 349,000 |  |  |  | 308,000 |  |  |  | - |  |  |  | 317,000 |
Real estate – multi-family and residential rental |  |  | 959,000 |  |  |  | 941,000 |  |  |  | - |  |  |  | 714,000 |
Total commercial |  |  | 2,547,000 |  |  |  | 2,411,000 |  |  |  | - |  |  |  | 2,458,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 525,000 |  |  |  | 368,000 |  |  |  | - |  |  |  | 504,000 |
1-4 family mortgages |  |  | 1,173,000 |  |  |  | 923,000 |  |  |  | - |  |  |  | 894,000 |
Total retail |  |  | 1,698,000 |  |  |  | 1,291,000 |  |  |  | - |  |  |  | 1,398,000 |
Total with no related allowance recorded |  | $ | 4,245,000 |  |  | $ | 3,702,000 |  |  | $ | - |  |  | $ | 3,856,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | First Quarter |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 115,000 |  |  | $ | 115,000 |  |  | $ | 13,000 |  |  | $ | 57,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1,471,000 |  |  |  | 1,426,000 |  |  |  | 562,000 |  |  |  | 1,464,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 28,000 |  |  |  | 28,000 |  |  |  | 0 |  |  |  | 14,000 |
Total commercial |  |  | 1,614,000 |  |  |  | 1,569,000 |  |  |  | 575,000 |  |  |  | 1,535,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 343,000 |  |  |  | 283,000 |  |  |  | 13,000 |  |  |  | 142,000 |
Total retail |  |  | 343,000 |  |  |  | 283,000 |  |  |  | 13,000 |  |  |  | 142,000 |
Total with an allowance recorded |  | $ | 1,957,000 |  |  | $ | 1,852,000 |  |  | $ | 588,000 |  |  | $ | 1,677,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 4,161,000 |  |  | $ | 3,980,000 |  |  | $ | 575,000 |  |  | $ | 3,993,000 |
Retail |  |  | 2,041,000 |  |  |  | 1,574,000 |  |  |  | 13,000 |  |  |  | 1,540,000 |
Total impaired loans |  | $ | 6,202,000 |  |  | $ | 5,554,000 |  |  | $ | 588,000 |  |  | $ | 5,533,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Year-To-Date |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With no related allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 1,170,000 |  |  | $ | 1,164,000 |  |  | $ | - |  |  | $ | 358,000 |
Vacant land, land development and residential construction |  |  | 540,000 |  |  |  | 209,000 |  |  |  | - |  |  |  | 353,000 |
Real estate – owner occupied |  |  | 3,609,000 |  |  |  | 1,901,000 |  |  |  | - |  |  |  | 735,000 |
Real estate – non-owner occupied |  |  | 1,210,000 |  |  |  | 1,210,000 |  |  |  | - |  |  |  | 1,247,000 |
Real estate – multi-family and residential rental |  |  | 375,000 |  |  |  | 317,000 |  |  |  | - |  |  |  | 1,000 |
Total commercial |  |  | 6,904,000 |  |  |  | 4,801,000 |  |  |  | - |  |  |  | 2,694,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 207,000 |  |  |  | 191,000 |  |  |  | - |  |  |  | 555,000 |
1-4 family mortgages |  |  | 1,144,000 |  |  |  | 560,000 |  |  |  | - |  |  |  | 629,000 |
Total retail |  |  | 1,351,000 |  |  |  | 751,000 |  |  |  | - |  |  |  | 1,184,000 |
Total with no related allowance recorded |  | $ | 8,255,000 |  |  | $ | 5,552,000 |  |  | $ | - |  |  | $ | 3,878,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Year-To-Date |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 5,299,000 |  |  | $ | 5,226,000 |  |  | $ | 1,578,000 |  |  | $ | 1,197,000 |
Vacant land, land development and residential construction |  |  | 2,000,000 |  |  |  | 2,000,000 |  |  |  | 151,000 |  |  |  | 4,023,000 |
Real estate – owner occupied |  |  | 15,745,000 |  |  |  | 15,674,000 |  |  |  | 2,200,000 |  |  |  | 1,500,000 |
Real estate – non-owner occupied |  |  | 16,033,000 |  |  |  | 15,949,000 |  |  |  | 4,779,000 |  |  |  | 20,262,000 |
Real estate – multi-family and residential rental |  |  | 1,371,000 |  |  |  | 1,371,000 |  |  |  | 666,000 |  |  |  | 1,886,000 |
Total commercial |  |  | 40,448,000 |  |  |  | 40,220,000 |  |  |  | 9,374,000 |  |  |  | 28,868,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 115,000 |  |  |  | 84,000 |  |  |  | 84,000 |  |  |  | 190,000 |
1-4 family mortgages |  |  | 2,194,000 |  |  |  | 2,000,000 |  |  |  | 694,000 |  |  |  | 2,196,000 |
Total retail |  |  | 2,309,000 |  |  |  | 2,084,000 |  |  |  | 778,000 |  |  |  | 2,386,000 |
Total with an allowance recorded |  | $ | 42,757,000 |  |  | $ | 42,304,000 |  |  | $ | 10,152,000 |  |  | $ | 31,254,000 |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 47,352,000 |  |  | $ | 45,021,000 |  |  | $ | 9,374,000 |  |  | $ | 31,562,000 |
Retail |  |  | 3,660,000 |  |  |  | 2,835,000 |  |  |  | 778,000 |  |  |  | 3,570,000 |
Total impaired loans |  | $ | 51,012,000 |  |  | $ | 47,856,000 |  |  | $ | 10,152,000 |  |  | $ | 35,132,000 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Year-To-Date |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With no related allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 1,586,000 |  |  | $ | 1,579,000 |  |  | $ | - |  |  | $ | NA |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | - |  |  | NA |
Real estate – owner occupied |  |  | 113,000 |  |  |  | 113,000 |  |  |  | - |  |  | NA |
Real estate – non-owner occupied |  |  | 326,000 |  |  |  | 326,000 |  |  |  | - |  |  | NA |
Real estate – multi-family and residential rental |  |  | 487,000 |  |  |  | 487,000 |  |  |  | - |  |  | NA |
Total commercial |  |  | 2,512,000 |  |  |  | 2,505,000 |  |  |  | - |  |  | NA |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 641,000 |  |  |  | 639,000 |  |  |  | - |  |  | NA |
1-4 family mortgages |  |  | 866,000 |  |  |  | 866,000 |  |  |  | - |  |  | NA |
Total retail |  |  | 1,507,000 |  |  |  | 1,505,000 |  |  |  | - |  |  | NA |
Total with no related allowance recorded |  | $ | 4,019,000 |  |  | $ | 4,010,000 |  |  | $ | - |  |  | $ | NA |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Year-To-Date |
|  | Unpaid |  |  |  |  |  |  |  |  |  |  | Average |
|  | Contractual |  |  | Recorded |  |  |  |  |  |  | Recorded |
|  | Principal |  |  | Principal |  |  | Related |  |  | Principal |
|  | Balance |  |  | Balance |  |  | Allowance |  |  | Balance |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 0 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | NA |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
Real estate – owner occupied |  |  | 1,516,000 |  |  |  | 1,502,000 |  |  |  | 605,000 |  |  | NA |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
Total commercial |  |  | 1,516,000 |  |  |  | 1,502,000 |  |  |  | 605,000 |  |  | NA |
Retail: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
Total retail |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  | NA |
Total with an allowance recorded |  | $ | 1,516,000 |  |  | $ | 1,502,000 |  |  | $ | 605,000 |  |  | $ | NA |
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 4,028,000 |  |  | $ | 4,007,000 |  |  | $ | 605,000 |  |  | $ | NA |
Retail |  |  | 1,507,000 |  |  |  | 1,505,000 |  |  |  | 0 |  |  | NA |
Total impaired loans |  | $ | 5,535,000 |  |  | $ | 5,512,000 |  |  | $ | 605,000 |  |  | $ | NA |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 317,742,000 |  |  | $ | 17,255,000 |  |  | $ | 203,094,000 |  |  | $ | 295,402,000 |  |  | $ | 12,632,000 |
Grades 5 – 7 |  |  | 108,649,000 |  |  |  | 16,430,000 |  |  |  | 81,245,000 |  |  |  | 117,222,000 |  |  |  | 20,947,000 |
Grades 8 – 9 |  |  | 7,820,000 |  |  |  | 2,263,000 |  |  |  | 18,040,000 |  |  |  | 10,757,000 |  |  |  | 1,343,000 |
Total commercial |  | $ | 434,211,000 |  |  | $ | 35,948,000 |  |  | $ | 302,379,000 |  |  | $ | 423,381,000 |  |  | $ | 34,922,000 |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 67,795,000 |  |  | $ | 5,635,000 |  |  | $ | 39,732,000 |  |  | $ | 67,500,000 |  |  | $ | 35,725,000 |
Grades 5 – 7 |  |  | 82,344,000 |  |  |  | 12,844,000 |  |  |  | 82,819,000 |  |  |  | 71,656,000 |  |  |  | 45,230,000 |
Grades 8 – 9 |  |  | 3,325,000 |  |  |  | 1,623,000 |  |  |  | 7,065,000 |  |  |  | 3,615,000 |  |  |  | 1,600,000 |
Total commercial |  | $ | 153,464,000 |  |  | $ | 20,102,000 |  |  | $ | 129,616,000 |  |  | $ | 142,771,000 |  |  | $ | 82,555,000 |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 266,631,000 |  |  | $ | 11,242,000 |  |  | $ | 190,656,000 |  |  | $ | 285,035,000 |  |  | $ | 12,394,000 |
Grades 5 – 7 |  |  | 109,639,000 |  |  |  | 16,375,000 |  |  |  | 83,123,000 |  |  |  | 113,982,000 |  |  |  | 22,282,000 |
Grades 8 – 9 |  |  | 8,300,000 |  |  |  | 2,209,000 |  |  |  | 17,979,000 |  |  |  | 11,960,000 |  |  |  | 1,382,000 |
Total commercial |  | $ | 384,570,000 |  |  | $ | 29,826,000 |  |  | $ | 291,758,000 |  |  | $ | 410,977,000 |  |  | $ | 36,058,000 |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Internal credit risk grade groupings: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grades 1 – 4 |  | $ | 72,411,000 |  |  | $ | 5,875,000 |  |  | $ | 39,496,000 |  |  | $ | 65,886,000 |  |  | $ | 35,858,000 |
Grades 5 – 7 |  |  | 90,320,000 |  |  |  | 14,472,000 |  |  |  | 92,212,000 |  |  |  | 78,103,000 |  |  |  | 49,781,000 |
Grades 8 – 9 |  |  | 3,306,000 |  |  |  | 1,801,000 |  |  |  | 6,922,000 |  |  |  | 4,608,000 |  |  |  | 1,063,000 |
Total commercial |  | $ | 166,037,000 |  |  | $ | 22,148,000 |  |  | $ | 138,630,000 |  |  | $ | 148,597,000 |  |  | $ | 86,702,000 |
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  | Commercial |  |  | Retail |  |  |  |  |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 17,736,000 |  |  | $ | 1,487,000 |  |  | $ | 76,000 |  |  | $ | 19,299,000 |
Provision for loan losses |  |  | (499,000 | ) |  |  | 79,000 |  |  |  | (37,000 | ) |  |  | (457,000 | )
Charge-offs |  |  | (78,000 | ) |  |  | (363,000 | ) |  |  | 0 |  |  |  | (441,000 | )
Recoveries |  |  | 1,818,000 |  |  |  | 32,000 |  |  |  | 0 |  |  |  | 1,850,000 |
Ending balance |  | $ | 18,977,000 |  |  | $ | 1,235,000 |  |  | $ | 39,000 |  |  | $ | 20,251,000 |
Ending balance: individually evaluated for impairment |  | $ | 10,158,000 |  |  | $ | 208,000 |  |  | $ | 0 |  |  | $ | 10,366,000 |
Ending balance: collectively evaluated for impairment |  | $ | 8,819,000 |  |  | $ | 1,027,000 |  |  | $ | 39,000 |  |  | $ | 9,885,000 |
Total loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 1,230,841,000 |  |  | $ | 97,872,000 |  |  |  |  |  |  | $ | 1,328,713,000 |
Ending balance: individually evaluated for impairment |  | $ | 44,257,000 |  |  | $ | 1,193,000 |  |  |  |  |  |  | $ | 45,450,000 |
Ending balance: collectively evaluated for impairment |  | $ | 1,186,584,000 |  |  | $ | 96,679,000 |  |  |  |  |  |  | $ | 1,283,263,000 |
|  | Commercial |  |  | Retail |  |  |  |  |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 681,000 |  |  | $ | 61,000 |  |  | $ | 0 |  |  | $ | 742,000 |
Provision for loan losses |  |  | (60,000 | ) |  |  | 117,000 |  |  |  | 0 |  |  |  | 57,000 |
Charge-offs |  |  | 0 |  |  |  | (7,000 | ) |  |  | 0 |  |  |  | (7,000 | )
Recoveries |  |  | 1,000 |  |  |  | 6,000 |  |  |  | 0 |  |  |  | 7,000 |
Ending balance |  | $ | 622,000 |  |  | $ | 177,000 |  |  | $ | 0 |  |  | $ | 799,000 |
|  | Commercial |  |  | Retail |  |  |  |  |  |  |  |  |
|  | Loans |  |  | Loans |  |  | Unallocated |  |  | Total |
Allowance for loan losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 20,455,000 |  |  | $ | 2,358,000 |  |  | $ | 8,000 |  |  | $ | 22,821,000 |
Provision for loan losses |  |  | (1,454,000 | ) |  |  | (434,000 | ) |  |  | (12,000 | ) |  |  | (1,900,000 | )
Charge-offs |  |  | (586,000 | ) |  |  | (2,000 | ) |  |  | 0 |  |  |  | (588,000 | )
Recoveries |  |  | 586,000 |  |  |  | 35,000 |  |  |  | 0 |  |  |  | 621,000 |
Ending balance |  | $ | 19,001,000 |  |  | $ | 1,957,000 |  |  | $ | (4,000 | ) |  | $ | 20,954,000 |
Ending balance: individually evaluated for impairment |  | $ | 9,508,000 |  |  | $ | 971,000 |  |  | $ | 0 |  |  | $ | 10,479,000 |
Ending balance: collectively evaluated for impairment |  | $ | 9,493,000 |  |  | $ | 986,000 |  |  | $ | (4,000 | ) |  | $ | 10,475,000 |
Total loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance |  | $ | 1,004,218,000 |  |  | $ | 62,578,000 |  |  |  |  |  |  | $ | 1,066,796,000 |
Ending balance: individually evaluated for impairment |  | $ | 29,883,000 |  |  | $ | 3,512,000 |  |  |  |  |  |  | $ | 33,395,000 |
Ending balance: collectively evaluated for impairment |  | $ | 974,335,000 |  |  | $ | 59,066,000 |  |  |  |  |  |  | $ | 1,033,401,000 |
Troubled Debt Restructurings on Financing Receivables [Table Text Block] |
|  |  |  |  |  | Pre- |  |  | Post- |
|  |  |  |  |  | Modification |  |  | Modification |
|  |  |  |  |  | Recorded |  |  | Recorded |
|  | Number of |  |  | Principal |  |  | Principal |
|  | Contracts |  |  | Balance |  |  | Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 6 |  |  | $ | 568,000 |  |  | $ | 593,000 |
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 |  |  | 6 |  |  |  | 568,000 |  |  |  | 593,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated loans |  |  | 6 |  |  | $ | 568,000 |  |  | $ | 593,000 |
Acquired loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 1 |  |  | $ | 79,000 |  |  | $ | 79,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 2 |  |  |  | 50,000 |  |  |  | 50,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired commercial |  |  | 3 |  |  |  | 129,000 |  |  |  | 129,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired retail |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total acquired loans |  |  | 3 |  |  | $ | 129,000 |  |  | $ | 129,000 |
|  |  |  |  |  | Pre- |  |  | Post- |
|  |  |  |  |  | Modification |  |  | Modification |
|  |  |  |  |  | Recorded |  |  | Recorded |
|  | Number of |  |  | Principal |  |  | Principal |
|  | Contracts |  |  | Balance |  |  | Balance |
Originated loans |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 1 |  |  | $ | 14,000 |  |  | $ | 14,000 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Real estate – non-owner occupied |  |  | 2 |  |  |  | 354,000 |  |  |  | 323,000 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated commercial |  |  | 3 |  |  |  | 368,000 |  |  |  | 337,000 |
Retail: |  |  |  |  |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated retail |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Total originated loans |  |  | 3 |  |  | $ | 368,000 |  |  | $ | 337,000 |
Troubled Debt Restructurings on Financing Receivables WithIn Previous Twelve Months that Became Over Thirty Days Past Due [Table Text Block] |
|  |  |  |  |  | Recorded |
|  | Number of |  |  | Principal |
|  | Contracts |  |  | 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 |
|  |  |  |  |  | Recorded |
|  | Number of |  |  | Principal |
|  | Contracts |  |  | Balance |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  |  | 0 |  |  | $ | 0 |
Vacant land, land development and residential construction |  |  | 0 |  |  |  | 0 |
Real estate – owner occupied |  |  | 1 |  |  |  | 1,339,000 |
Real estate – non-owner occupied |  |  | 0 |  |  |  | 0 |
Real estate – multi-family and residential rental |  |  | 0 |  |  |  | 0 |
Total commercial |  |  | 1 |  |  |  | 1,339,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total |  |  | 1 |  |  | $ | 1,339,000 |
|  |  |  |  |  | Recorded |
|  | Number of |  |  | Principal |
|  | Contracts |  |  | 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 |
Trouble Debt Restructuring Activity [Table Text Block] |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 7,026,000 |  |  | $ | 2,680,000 |  |  | $ | 17,160,000 |  |  | $ | 17,439,000 |  |  | $ | 505,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | (1,155,000 | ) |  |  | (26,000 | ) |  |  | (194,000 | ) |  |  | (1,376,000 | ) |  |  | (7,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 685,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 6,556,000 |  |  | $ | 2,654,000 |  |  | $ | 16,966,000 |  |  | $ | 16,063,000 |  |  | $ | 498,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 0 |  |  | $ | 1,967,000 |
Charge-Offs |  |  | 0 |  |  |  | (125,000 | )
Payments |  |  | 0 |  |  |  | (1,540,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 0 |  |  | $ | 302,000 |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,439,000 |  |  | $ | 0 |  |  | $ | 1,569,000 |  |  | $ | 64,000 |  |  | $ | 381,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Payments |  |  | 0 |  |  |  | 0 |  |  |  | (179,000 | ) |  |  | (2,000 | ) |  |  | (48,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 80,000 |  |  |  | 0 |  |  |  | 102,000 |  |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 1,519,000 |  |  | $ | 0 |  |  | $ | 1,492,000 |  |  | $ | 62,000 |  |  | $ | 333,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 26,000 |  |  | $ | 178,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | (26,000 | ) |  |  | (1,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 0 |  |  | $ | 177,000 |
|  |  |  |  |  | Commercial Vacant Land, |  |  |  |  |  |  |  |  |  |  | Commercial |
|  |  |  |  |  | Land |  |  | Commercial |  |  | Commercial |  |  | Real Estate - |
|  | Commercial |  |  | Development, |  |  | Real Estate - |  |  | Real Estate - |  |  | Multi-Family |
|  | and |  |  | and Residential |  |  | Owner |  |  | Non-Owner |  |  | and Residential |
|  | Industrial |  |  | Construction |  |  | Occupied |  |  | Occupied |  |  | Rental |
Commercial Loan Portfolio: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 1,656,000 |  |  | $ | 4,501,000 |  |  | $ | 1,816,000 |  |  | $ | 22,311,000 |  |  | $ | 2,620,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |  |  |  | (11,000 | ) |  |  | 0 |  |  |  | (420,000 | )
Payments |  |  | (266,000 | ) |  |  | (3,149,000 | ) |  |  | (49,000 | ) |  |  | (1,001,000 | ) |  |  | (1,468,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 14,000 |  |  |  | 2,898,000 |  |  |  | 0 |  |  |  | 319,000 |  |  |  | 0 |
Ending Balance |  | $ | 1,404,000 |  |  | $ | 4,250,000 |  |  | $ | 1,756,000 |  |  | $ | 21,629,000 |  |  | $ | 732,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Retail Loan Portfolio: |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 0 |  |  | $ | 2,191,000 |
Charge-Offs |  |  | 0 |  |  |  | 0 |
Payments |  |  | 0 |  |  |  | (69,000 | )
Transfers to ORE |  |  | 0 |  |  |  | 0 |
Net Additions/Deletions |  |  | 0 |  |  |  | 0 |
Ending Balance |  | $ | 0 |  |  | $ | 2,122,000 |
Allowance Related to Loans Categorized as Troubled Debt Restructurings [Table Text Block] |
|  | March 31, |  |  | December 31, |
|  | 2015 |  |  | 2014 |
Commercial: |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 13,000 |  |  | $ | 16,000 |
Vacant land, land development, and residential construction |  |  | 232,000 |  |  |  | 151,000 |
Real estate – owner occupied |  |  | 168,000 |  |  |  | 182,000 |
Real estate – non-owner occupied |  |  | 4,394,000 |  |  |  | 4,778,000 |
Real estate – multi-family and residential rental |  |  | 577,000 |  |  |  | 666,000 |
Total commercial |  |  | 5,384,000 |  |  |  | 5,793,000 |
Retail: |  |  |  |  |  |  |  |
Home equity and other |  |  | 0 |  |  |  | 0 |
1-4 family mortgages |  |  | 0 |  |  |  | 0 |
Total retail |  |  | 0 |  |  |  | 0 |
Total related allowance |  | $ | 5,384,000 |  |  | $ | 5,793,000 |
Retail Loan [Member] |
Note 4 - Loans and Allowance for Loan Losses (Tables) [Line Items] |
Financing Receivable Credit Quality Indicators [Table Text Block] |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Total retail |  | $ | 53,707,000 |  |  | $ | 44,165,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Total retail |  | $ | 99,279,000 |  |  | $ | 164,260,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Total retail |  | $ | 50,059,000 |  |  | $ | 42,868,000 |
|  | Retail |  |  | Retail |
|  | Home Equity |  |  | 1-4 Family |
|  | and Other |  |  | Mortgages |
Total retail |  | $ | 109,219,000 |  |  | $ | 171,828,000 |

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
- Details
Name: | mbwm_Note4LoansandAllowanceforLoanLossesTablesLineItems
Namespace Prefix: | mbwm_
Data Type: | xbrli:stringItemType
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 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 of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953659-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953803-111525 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=49124121&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 financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524 + 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://www.xbrl.org/2003/role/presentationRef -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 nonaccrual and past due financing receivables (such as loans and trade receivables), including: (a) the recorded investment in loans and trade receivables, if applicable, on nonaccrual status as of each balance sheet date (b) the recorded investment in loans and trade receivables, if applicable, past due 90 days or more and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 + Details
Name: | us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables and troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=49124121&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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mbwm_RetailLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |