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Investment Securities | 9 Months Ended
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Sep. 30, 2016
Investment Securities | Note 3. Investment Securities The following tables present the amortized cost and aggregate fair value of available-for-sale securities, including gross unrealized gains and losses, as of the dates indicated:
|  | September 30, 2016 |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Agency securities |  | $ | 1,371 |  |  | $ | 4 |  |  | $ | — |  |  | $ | 1,375 |
Municipal securities |  |  | 116,910 |  |  |  | 5,171 |  |  |  | (7 | ) |  |  | 122,074 |
Single issue trust preferred securities |  |  | 51,292 |  |  |  | — |  |  |  | (2,772 | ) |  |  | 48,520 |
Corporate securities |  |  | 15,027 |  |  |  | — |  |  |  | (5 | ) |  |  | 15,022 |
Mortgage-backed Agency securities |  |  | 33,578 |  |  |  | 294 |  |  |  | (80 | ) |  |  | 33,792 |
Equity securities |  |  | 55 |  |  |  | 18 |  |  |  | — |  |  |  | 73 |
Total securities available for sale |  | $ | 218,233 |  |  | $ | 5,487 |  |  | $ | (2,864 | ) |  | $ | 220,856 |
|  | December 31, 2015 |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Agency securities |  | $ | 31,414 |  |  | $ | 39 |  |  | $ | (751 | ) |  | $ | 30,702 |
Municipal securities |  |  | 124,880 |  |  |  | 4,155 |  |  |  | (357 | ) |  |  | 128,678 |
Single issue trust preferred securities |  |  | 55,882 |  |  |  | — |  |  |  | (8,050 | ) |  |  | 47,832 |
Corporate securities |  |  | 70,571 |  |  |  | — |  |  |  | (238 | ) |  |  | 70,333 |
Certificates of deposit |  |  | 5,000 |  |  |  | — |  |  |  | — |  |  |  | 5,000 |
Mortgage-backed Agency securities |  |  | 84,576 |  |  |  | 155 |  |  |  | (1,175 | ) |  |  | 83,556 |
Equity securities |  |  | 66 |  |  |  | 6 |  |  |  | — |  |  |  | 72 |
Total securities available for sale |  | $ | 372,389 |  |  | $ | 4,355 |  |  | $ | (10,571 | ) |  | $ | 366,173 |
The following tables present the amortized cost and aggregate fair value of held-to-maturity securities, including gross unrealized gains and losses, as of the dates indicated:
|  | September 30, 2016 |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Agency securities |  | $ | 61,766 |  |  | $ | 317 |  |  | $ | — |  |  | $ | 62,083 |
Corporate securities |  |  | 10,416 |  |  |  | 108 |  |  |  | — |  |  |  | 10,524 |
Total securities held to maturity |  | $ | 72,182 |  |  | $ | 425 |  |  | $ | — |  |  | $ | 72,607 |
|  | December 31, 2015 |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. Agency securities |  | $ | 61,863 |  |  | $ | 75 |  |  | $ | (106 | ) |  | $ | 61,832 |
Municipal securities |  |  | 190 |  |  |  | 3 |  |  |  | — |  |  |  | 193 |
Corporate securities |  |  | 10,488 |  |  |  | — |  |  |  | (23 | ) |  |  | 10,465 |
Total securities held to maturity |  | $ | 72,541 |  |  | $ | 78 |  |  | $ | (129 | ) |  | $ | 72,490 |
The following table presents the amortized cost and aggregate fair value of available-for-sale securities and held-to-maturity securities, by contractual maturity, as of the date indicated. Actual maturities could differ from contractual maturities because issuers may have the right to call or prepay obligations with or without penalties.
|  | September 30, 2016 |
|  | Amortized |  |  |  |
(Amounts in thousands) |  | Cost |  |  | Fair Value |
Available-for-sale securities |  |  |  |  |  |  |  |
Due within one year |  | $ | 16,747 |  |  | $ | 16,753 |
Due after one year but within five years |  |  | 2,131 |  |  |  | 2,178 |
Due after five years but within ten years |  |  | 87,281 |  |  |  | 91,586 |
Due after ten years |  |  | 78,441 |  |  |  | 76,474 |
|  |  | 184,600 |  |  |  | 186,991 |
Mortgage-backed securities |  |  | 33,578 |  |  |  | 33,792 |
Equity securities |  |  | 55 |  |  |  | 73 |
Total securities available for sale |  | $ | 218,233 |  |  | $ | 220,856 |
Held-to-maturity securities |  |  |  |  |  |  |  |
Due within one year |  | $ | 46,867 |  |  | $ | 46,909 |
Due after one year but within five years |  |  | 25,315 |  |  |  | 25,698 |
Due after five years but within ten years |  |  | — |  |  |  | — |
Due after ten years |  |  | — |  |  |  | — |
Total securities held to maturity |  | $ | 72,182 |  |  | $ | 72,607 |
The following tables present the fair values and unrealized losses for available-for-sale securities in a continuous unrealized loss position for less than 12 months and for 12 months or longer as of the dates indicated:
|  | September 30, 2016 |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Amounts in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Agency securities |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Municipal securities |  |  | — |  |  |  | — |  |  |  | 767 |  |  |  | (7 | ) |  |  | 767 |  |  |  | (7 | )
Single issue trust preferred securities |  |  | — |  |  |  | — |  |  |  | 19,323 |  |  |  | (2,772 | ) |  |  | 19,323 |  |  |  | (2,772 | )
Corporate securities |  |  | — |  |  |  | — |  |  |  | 15,022 |  |  |  | (5 | ) |  |  | 15,022 |  |  |  | (5 | )
Mortgage-backed Agency securities |  |  | 1,167 |  |  |  | (1 | ) |  |  | 13,589 |  |  |  | (79 | ) |  |  | 14,756 |  |  |  | (80 | )
Total |  | $ | 1,167 |  |  | $ | (1 | ) |  | $ | 48,701 |  |  | $ | (2,863 | ) |  | $ | 49,868 |  |  | $ | (2,864 | )
|  | December 31, 2015 |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Amounts in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Agency securities |  | $ | 4,441 |  |  | $ | (5 | ) |  | $ | 23,922 |  |  | $ | (746 | ) |  | $ | 28,363 |  |  | $ | (751 | )
Municipal securities |  |  | 8,126 |  |  |  | (48 | ) |  |  | 10,393 |  |  |  | (309 | ) |  |  | 18,519 |  |  |  | (357 | )
Single issue trust preferred securities |  |  | — |  |  |  | — |  |  |  | 47,832 |  |  |  | (8,050 | ) |  |  | 47,832 |  |  |  | (8,050 | )
Corporate securities |  |  | 70,333 |  |  |  | (238 | ) |  |  | — |  |  |  | — |  |  |  | 70,333 |  |  |  | (238 | )
Mortgage-backed Agency securities |  |  | 27,050 |  |  |  | (253 | ) |  |  | 37,291 |  |  |  | (922 | ) |  |  | 64,341 |  |  |  | (1,175 | )
Total |  | $ | 109,950 |  |  | $ | (544 | ) |  | $ | 119,438 |  |  | $ | (10,027 | ) |  | $ | 229,388 |  |  | $ | (10,571 | )
There were no unrealized losses on held-to-maturity securities as of September 30, 2016. The following table presents the fair values and unrealized losses for held-to-maturity securities in a continuous unrealized loss position for less than 12 months and for 12 months or longer as of December 31, 2015.
|  | December 31, 2015 |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Amounts in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. Agency securities |  | $ | 43,723 |  |  | $ | (106 | ) |  | $ | — |  |  | $ | — |  |  | $ | 43,723 |  |  | $ | (106 | )
Corporate securities |  |  | 6,851 |  |  |  | (23 | ) |  |  | — |  |  |  | — |  |  |  | 6,851 |  |  |  | (23 | )
Total |  | $ | 50,574 |  |  | $ | (129 | ) |  | $ | — |  |  | $ | — |  |  | $ | 50,574 |  |  | $ | (129 | )
There were 20 individual securities in an unrealized loss position as of September 30, 2016, and their combined depreciation in value represented 0.98% of the investment securities portfolio. There were 107 individual securities in an unrealized loss position as of December 31, 2015, and their combined depreciation in value represented 2.44% of the investment securities portfolio. The following table presents gross realized gains and losses from the sale of available-for-sale securities for the periods indicated:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(Amounts in thousands) |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Gross realized gains |  | $ | 203 |  |  | $ | 26 |  |  | $ | 344 |  |  | $ | 292 |
Gross realized losses |  |  | (178 | ) |  |  | (65 | ) |  |  | (397 | ) |  |  | (141 | )
Net gain (loss) on sale of securities |  | $ | 25 |  |  | $ | (39 | ) |  | $ | (53 | ) |  | $ | 151 |
The carrying amount of securities pledged for various purposes totaled $151.82 million as of September 30, 2016, and $236.73 million as of December 31, 2015. The Company reviews its investment portfolio quarterly for indications of other-than-temporary impairment (“OTTI”). Debt securities owned by the Company include securities issued from the U.S. Department of the Treasury (“Treasury”), municipal securities, single issue trust preferred securities, corporate securities, and certificates of deposit. For debt securities owned, the Company analyzes factors such as the impairment’s severity and duration, adverse conditions within the issuing industry, prospects for the issuer, ability to hold until recovery, security performance, changes in rating by rating agencies, and other qualitative factors to determine if the impairment will be recovered. If the evaluation suggests that the impairment will not be recovered, OTTI is recorded as a charge to earnings through noninterest income. Temporary impairment on these securities is primarily due to changes in benchmark interest rates, changes in pricing in the credit markets, destabilization in foreign markets, and other current economic factors. During the three and nine months ended September 30, 2016, the Company incurred OTTI charges on debt securities owned of $4.64 million related to the Company’s change in intent to hold certain securities to recovery. The intent was changed to sell specific trust preferred securities in the Company’s investment portfolio primarily to reduce credit concentrations with two issuers. During the three and nine months ended September 30, 2015, the Company incurred no OTTI charges on debt securities owned. For equity securities, the Company considers its intent to hold or sell the security before recovery, the severity and duration of the decline in fair value of the security below its cost, the financial condition and near-term prospects of the issuer, and whether the decline appears related to issuer, general market, or industry conditions to determine if the impairment will be recovered. If the Company deems the impairment other-than-temporary in nature, the security is written down to its current present value and the OTTI loss is charged to earnings. During the three months ended September 30, 2016, the Company incurred no OTTI charges related to certain equity holdings. During the nine months ended September 30, 2016, the Company incurred OTTI charges related to certain equity holdings of $11 thousand. During the three and nine months ended September 30, 2015, the Company incurred no OTTI charges on equity holdings.

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