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Note 14 - Regulatory Capital (Tables) | 9 Months Ended
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Sep. 30, 2014
Disclosure Text Block [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
(Dollars in thousands) |  | Amount |  |  | Percent of Assets |
Tier I (leverage) capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 466,475 |  |  |  | 9.62 | %
Requirement to be well capitalized |  |  | 242,485 |  |  |  | 5.00 |
Excess |  |  | 223,990 |  |  |  | 4.62 |
Tier I risk-based capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 466,475 |  |  |  | 14.37 | %
Requirement to be well capitalized |  |  | 194,730 |  |  |  | 6.00 |
Excess |  |  | 271,745 |  |  |  | 8.37 |
Total risk-based capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 494,819 |  |  |  | 15.25 | %
Requirement to be well capitalized |  |  | 324,549 |  |  |  | 10.00 |
Excess |  |  | 170,270 |  |  |  | 5.25 |
(Dollars in thousands) |  | Amount |  |  | Percent of Assets |
Tier I (leverage) capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 469,670 |  |  |  | 9.70 | %
Requirement to be well capitalized |  |  | 242,190 |  |  |  | 5.00 |
Excess |  |  | 227,480 |  |  |  | 4.70 |
Tier I risk-based capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 469,670 |  |  |  | 14.50 | %
Requirement to be well capitalized |  |  | 194,373 |  |  |  | 6.00 |
Excess |  |  | 275,297 |  |  |  | 8.50 |
Total risk-based capital: |  |  |  |  |  |  |  |
Capital level |  | $ | 498,014 |  |  |  | 15.37 | %
Requirement to be well capitalized |  |  | 323,956 |  |  |  | 10.00 |
Excess |  |  | 174,058 |  |  |  | 5.37 |

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958577-112826 + Details
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