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Note 9 - Borrowed Funds | 3 Months Ended
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Mar. 31, 2016
Debt Disclosure [Abstract] |
Debt Disclosure [Text Block] | 9. Borrowed Funds Securities Sold Under Agreements to Repurchase. Securities sold under agreements to repurchase were $400 million with a weighted average rate of 3.89% as of March 31, 2016, compared to $400 million with a weighted average rate of 3.89% as of December 31, 2015. As of March 31, 2016, four floating-to-fixed rate agreements totaling $200 million with a weighted average rate of 5.0% and final maturity in January 2017 had initial floating rates for one year, with floating rates of the three-month LIBOR rate minus 340 basis points. Thereafter, the rates are fixed for the remainder of the term, with interest rates ranging from 4.89% to 5.07%. As of March 31, 2016, and December 31, 2015, four fixed rate non-callable securities sold under agreements to repurchase totaled $200 million with a weighted average rate of 2.78%. Final maturity for the four fixed rate non-callable securities sold under agreements to repurchase was $50.0 million in August 2016, $50.0 million in July 2017, $50.0 million in June 2018, and $50.0 million in July 2018. These transactions are accounted for as collateralized financing transactions and recorded at the amounts at which the securities were sold. The Company may have to provide additional collateral for the repurchase agreements, as necessary. The underlying collateral pledged for the repurchase agreements consists of U.S. Treasury securities and mortgage-backed securities with a fair value of $429 million as of March 31, 2016, and $430 million as of December 31, 2015. Borrowing from the FHLB. As of March 31, 2016, over-night borrowings from the FHLB were $100 million at a rate of 0.48% compared to $250 million at a rate of 0.27% as of December 31, 2015. As of March 31, 2016, the advances from the FHLB were $375 million at a rate of 0.46% compared to $25 million at a rate of 1.13% as of December 31, 2015. As of March 31, 2016, FHLB advances of $350 million will mature in April 2016 and $25 million will mature in March 2018.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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