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Note 11 - Other Borrowings and Subordinated Debentures (Tables) | 9 Months Ended
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Sep. 30, 2017
Notes Tables |
Schedule of Debt [Table Text Block] |
(In thousands) |  | September 30, 2017 |  | December 31, 2016
Other Borrowings |  |  |  |  |  |  |  |
FHLB advances, net of discount, due 2017 to 2033, 1.15% to 7.37% secured by residential real estate loans |  | $ | 477,982 |  |  | $ | 225,230 |
Notes payable, due 10/15/2020, 3.85%, fixed rate, unsecured |  |  | 44,559 |  |  |  | 47,929 |
Total other borrowings |  |  | 522,541 |  |  |  | 273,159 |
Subordinated Debentures |  |  |  |  |  |  |  |
Trust preferred securities, due 12/30/2033, floating rate of 2.80% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 20,620 |  |  |  | 20,620 |
Trust preferred securities, net of discount, due 6/30/2035, floating rate of 1.75% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 9,301 |  |  |  | 9,225 |
Trust preferred securities, net of discount, due 9/15/2037, floating rate of 1.37% above the three month LIBOR rate, reset quarterly |  |  | 10,246 |  |  |  | 10,130 |
Trust preferred securities, net of discount, due 12/3/2033, floating rate of 2.88% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 5,157 |  |  |  | 5,161 |
Trust preferred securities, net of discount, due 12/13/2034, floating rate of 2.00% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 5,137 |  |  |  | 5,105 |
Trust preferred securities, net of discount, due 6/6/2037, floating rate of 1.57% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 10,255 |  |  |  | 10,156 |
Trust preferred securities, net of discount, due 12/15/2035, floating rate of 1.45% above the three month LIBOR rate, reset quarterly, callable without penalty |  |  | 6,702 |  |  |  | -- |
Total subordinated debentures |  |  | 67,418 |  |  |  | 60,397 |
Total other borrowings and subordinated debentures |  | $ | 589,959 |  |  | $ | 333,556 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
Year |  | (In thousands)
2017 |  | $ | 1,851 |
2018 |  |  | 23,863 |
2019 |  |  | 7,586 |
2020 |  |  | 36,343 |
2021 |  |  | 2,251 |
Thereafter |  |  | 76,065 |
Total |  | $ | 147,959 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + 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 + Details
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