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Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements (Details 2) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2004 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities |  |  |  |
Net income (loss) |  | $ 12,535,000 | $ 37,485,000 | $ (13,316,000)
Adjustments to reconcile net income (loss) to net cash from (for) operating activities: |  |  |  |
Stock-based compensation expense |  | 54,000 | 61,000 | 275,000
Other assets |  | (1,805,000) | 2,771,000 | 7,540,000
Change in other liabilities |  | 2,257,000 | (1,187,000) | (1,894,000)
Net cash from operating activities |  | 17,021,000 | 22,506,000 | 29,602,000
Cash flows from investing activities |  |  |  |
Net cash from investing activities |  | 66,730,000 | 227,722,000 | 271,679,000
Cash flows from financing activities |  |  |  |
Repurchase of preferred stock | (16,000,000) |  |  |
Repurchase of common stock warrant |  | (7,465,000) | 0 | 0
Stock option exercises, net of cashless exercises |  | 227,000 | 55,000 | 0
Employee stock purchase plan |  | 39,000 | 42,000 | 47,000
Dividend reinvestment plan |  | 14,000 | 6,000 | 2,000
Payment of cash dividends on preferred stock |  | (496,000) | (1,620,000) | (525,000)
Payment of cash dividends to common shareholders |  | (774,000) | 0 | (85,000)
Net cash for financing activities |  | (24,120,000) | (238,054,000) | (258,818,000)
Net change in cash and cash equivalents |  | 59,631,000 | 12,174,000 | 42,463,000
Cash and cash equivalents at beginning of period |  | 76,372,000 | 64,198,000 | 21,735,000
Cash and cash equivalents at end of period |  | 136,003,000 | 76,372,000 | 64,198,000
Parent Company [Member] |  |  |  |
Cash flows from operating activities |  |  |  |
Net income (loss) |  | 12,535,000 | 37,485,000 | (13,316,000)
Adjustments to reconcile net income (loss) to net cash from (for) operating activities: |  |  |  |
Equity in undistributed net income (loss) of subsidiary |  | 18,730,000 | (32,145,000) | 12,068,000
Stock-based compensation expense |  | 54,000 | 61,000 | 275,000
Other assets |  | (3,006,000) | (3,619,000) | (124,000)
Change in other liabilities |  | 1,073,000 | (956,000) | 963,000
Net cash from operating activities |  | 29,386,000 | 826,000 | (134,000)
Cash flows from investing activities |  |  |  |
Net capital investment into subsidiaries |  | 0 | 0 | 0
Net cash from investing activities |  | 0 | 0 | 0
Cash flows from financing activities |  |  |  |
Repurchase of preferred stock |  | (21,000,000) | 0 | 0
Repurchase of common stock warrant |  | (7,465,000) | 0 | 0
Stock option exercises, net of cashless exercises |  | 227,000 | 55,000 | 0
Employee stock purchase plan |  | 39,000 | 42,000 | 47,000
Dividend reinvestment plan |  | 14,000 | 6,000 | 2,000
Payment of cash dividends on preferred stock |  | (496,000) | (1,620,000) | (525,000)
Payment of cash dividends to common shareholders |  | (774,000) | 0 | (85,000)
Net cash for financing activities |  | (29,455,000) | (1,517,000) | (561,000)
Net change in cash and cash equivalents |  | (69,000) | (691,000) | (695,000)
Cash and cash equivalents at beginning of period |  | 542,000 | 1,233,000 | 1,928,000
Cash and cash equivalents at end of period |  | $ 473,000 | $ 542,000 | $ 1,233,000

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- Definition Cash outflow in the form of ordinary dividends to preferred shareholders, generally out of earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan. + References No definition available. + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph i -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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