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Note 21 - Commitments and Contingent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract] |
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] |
|  | Within One |  |  | One to |  |  | Three to |  |  | Over Five |  |  |  |  |
(dollars in thousands) |  | Year |  |  | Three Years |  |  | Five Years |  |  | Years |  |  | Total |
Deposits without a stated maturity (1) |  | $ | 4,419,189 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 4,419,189 |
Time deposits (1) |  |  | 446,956 |  |  |  | 272,551 |  |  |  | 19,748 |  |  |  | - |  |  |  | 739,255 |
Borrowed funds (2) |  |  | 72,356 |  |  |  | - |  |  |  | - |  |  |  | 70,000 |  |  |  | 142,356 |
Operating lease obligations |  |  | 8,061 |  |  |  | 13,942 |  |  |  | 12,402 |  |  |  | 11,398 |  |  |  | 45,803 |
Outside data processing (3) |  |  | 2,369 |  |  |  | 4,526 |  |  |  | 2,158 |  |  |  | - |  |  |  | 9,053 |
George Mason sponsorship (4) |  |  | 650 |  |  |  | 1,300 |  |  |  | 1,300 |  |  |  | 10,500 |  |  |  | 13,750 |
Total |  | $ | 4,949,581 |  |  | $ | 292,319 |  |  | $ | 35,608 |  |  | $ | 91,898 |  |  | $ | 5,369,406 |
Schedule of Payment Agreement [Table Text Block] |
Contract Year | Annual Fee
1-5 | $ 650,000
6-10 | $ 675,000
11-15 | $ 700,000
16-20 | $ 725,000

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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