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Securities | 12 Months Ended
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Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract] |
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] |
| Note 3. | Securities
The amortized cost and fair value of securities available-for-sale at December 31, 2015 and 2014 are summarized as follow (in thousands):
|  | December 31, 2015 |
|  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Fair |
|  | Cost |  | Gains |  | Losses |  | Value |
U.S. Government-sponsored enterprises (GSEs) |  | $ | 22,745 |  | $ | 48 |  | $ | (50) |  | $ | 22,743 |
Municipal securities |  |  | 7,614 |  |  | 52 |  |  | (17) |  |  | 7,649 |
Mortgage-backed securities |  |  | 136,625 |  |  | 375 |  |  | (979) |  |  | 136,021 |
|  | $ | 166,984 |  | $ | 475 |  | $ | (1,046) |  | $ | 166,413 |
|  | December 31, 2014 |
|  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Fair |
|  | Cost |  | Gains |  | Losses |  | Value |
U.S. Government-sponsored enterprises (GSEs) |  | $ | 21,267 |  | $ | 45 |  | $ | (205) |  | $ | 21,107 |
Municipal securities |  |  | 2,012 |  |  | 19 |  |  | - |  |  | 2,031 |
Mortgage-backed securities |  |  | 76,089 |  |  | 394 |  |  | (745) |  |  | 75,738 |
|  | $ | 99,368 |  | $ | 458 |  | $ | (950) |  | $ | 98,876 |
The amortized cost and estimated market value of securities at December 31, 2015, by contractual maturity, are shown below (in thousands). Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
|  | Amortized |  | Fair |
|  | Cost |  | Value |
Due in one year or less |  | $ | 1,961 |  | $ | 1,967 |
Due from one year to five years |  |  | 14,911 |  |  | 14,960 |
Due from five years to ten years |  |  | 8,370 |  |  | 8,319 |
Due after ten years |  |  | 5,117 |  |  | 5,146 |
|  |  | 30,359 |  |  | 30,392 |
Mortgage-backed securities |  |  | 136,625 |  |  | 136,021 |
|  | $ | 166,984 |  | $ | 166,413 |
The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities available-for-sale have been in a continuous unrealized loss position, as of December 31, 2015 and 2014 (in thousands):
|  | As of December 31, 2015 |
|  | Less than 12 Months |  | 12 Months or Greater |  | Total |
|  |  |  | Gross |  |  |  | Gross |  |  |  |  | Gross |
|  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
|  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses |
U.S. Government- sponsored enterprises (GSEs) |  | $ | 8,464 |  | $ | (50) |  | $ | - |  | $ | - |  | $ | 8,464 |  | $ | (50) |
Municipal securities |  |  | 2,456 |  |  | (17) |  |  | - |  |  | - |  |  | 2,456 |  |  | (17) |
Mortgage-backed securities |  |  | 72,641 |  |  | (470) |  |  | 16,325 |  |  | (509) |  |  | 88,966 |  |  | (979) |
|  | $ | 83,561 |  | $ | (537) |  | $ | 16,325 |  | $ | (509) |  | $ | 99,886 |  | $ | (1,046) |
|  | As of December 31, 2014 |
|  | Less than 12 Months |  | 12 Months or Greater |  | Total |
|  |  |  | Gross |  |  |  | Gross |  |  |  | Gross |
|  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
|  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses |
U.S. Government- sponsored enterprises (GSEs) |  | $ | 3,305 |  | $ | (10) |  | $ | 9,795 |  | $ | (195) |  | $ | 13,100 |  | $ | (205) |
Municipal securities |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |
Mortgage-backed securities |  |  | - |  |  | - |  |  | 36,726 |  |  | (745) |  |  | 36,726 |  |  | (745) |
|  | $ | 3,305 |  | $ | (10) |  | $ | 46,521 |  | $ | (940) |  | $ | 49,826 |  | $ | (950) |
At December 31, 2015, the categories of temporarily impaired securities, and management’s evaluation of those securities, are as follows: U.S. Government-sponsored enterprises: At December 31, 2015, five investments in U.S. GSE securities had unrealized losses. These unrealized losses related principally to changes in market interest rates. The contractual terms of the investments does not permit the issuer to settle the securities at a price less than the amortized cost bases of the investments. Because the Banks do not intend to sell the investments and it is more likely than not that the Banks will not be required to sell the investments before recovery of their amortized cost bases, which may be maturity, the Banks do not consider these investments to be other-than temporarily impaired at December 31, 2015. Municipal securities: At December 31, 2015, seven investments in obligations of municipal securities had unrealized losses. The Banks believes the unrealized losses on those investments were caused by the interest rate environment and do not relate to the underlying credit quality of the issuers. Because the Banks do not intend to sell the investments and it is not more likely than not that the Banks will be required to sell the investments before recovery of their amortized cost bases, which may be maturity, the Banks do not consider these investments to be other-than-temporarily impaired at December 31, 2015. Mortgage-backed securities: At December 31, 2015, fifty-four investments in residential mortgage-backed securities had unrealized losses. This impairment is believed to be caused by the current interest rate environment. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Because the decline in market value is attributable to the current interest rate environment and not credit quality, and because the Banks do not intend to sell the investments and it is not more likely than not that the Banks will be required to sell the investments before recovery of their amortized cost bases, which may be maturity, the Banks do not consider these investments to be other-than-temporarily impaired at December 31, 2015. Sales of available for sale securities for the years ended December 31, 2015 and 2014, were as follows (in thousands):
|  | 2015 |  | 2014 |
Proceeds |  | $ | 7,304 |  | $ | 9,004 |
Gains realized |  |  | 52 |  |  | 212 |
Losses realized |  |  | - |  |  | 96 |
Securities with a carrying value of approximately $124,517,000 and $92,647,000 at December 31, 2015 and 2014, respectively, were pledged to secure various deposits, securities sold under agreements to repurchase, as collateral for federal funds purchased from other financial institutions and serve as collateral for borrowings at the Federal Home Loan Bank.

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