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Securities (Tables) | 12 Months Ended
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Dec. 31, 2016
Securities |
Schedule of amortized cost and fair value of the securities portfolio and corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive loss |
|  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Fair
December 31, 2016 |  | Cost |  | Gains |  | Losses |  | Value
Securities available-for-sale |  |  |  |  |  |  |  |
U.S. government agencies mortgage-backed |  | $ | 42,511 |  | $ | - |  | $ | (977) |  | $ | 41,534
States and political subdivisions |  |  | 68,718 |  |  | 258 |  |  | (273) |  |  | 68,703
Corporate bonds |  |  | 10,957 |  |  | 9 |  |  | (336) |  |  | 10,630
Collateralized mortgage obligations |  |  | 174,352 |  |  | 374 |  |  | (3,799) |  |  | 170,927
Asset-backed securities |  |  | 146,391 |  |  | 341 |  |  | (8,325) |  |  | 138,407
Collateralized loan obligations |  |  | 102,504 |  |  | 29 |  |  | (896) |  |  | 101,637
Total securities available-for-sale |  | $ | 545,433 |  | $ | 1,011 |  | $ | (14,606) |  | $ | 531,838
|  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Fair
December 31, 2015 |  | Cost |  | Gains |  | Losses |  | Value
Securities available-for-sale |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury |  | $ | 1,509 |  | $ | - |  | $ | - |  | $ | 1,509
U.S. government agencies |  |  | 1,683 |  |  | - |  |  | (127) |  |  | 1,556
U.S. government agencies mortgage-backed |  |  | 2,040 |  |  | - |  |  | (44) |  |  | 1,996
States and political subdivisions |  |  | 30,341 |  |  | 285 |  |  | (100) |  |  | 30,526
Corporate bonds |  |  | 30,157 |  |  | - |  |  | (757) |  |  | 29,400
Collateralized mortgage obligations |  |  | 68,743 |  |  | 24 |  |  | (1,847) |  |  | 66,920
Asset-backed securities |  |  | 241,872 |  |  | 74 |  |  | (10,038) |  |  | 231,908
Collateralized loan obligations |  |  | 94,374 |  |  | - |  |  | (2,123) |  |  | 92,251
Total securities available-for-sale |  | $ | 470,719 |  | $ | 383 |  | $ | (15,036) |  | $ | 456,066
Securities held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |
U.S. government agency mortgage-backed |  | $ | 36,505 |  | $ | 1,592 |  | $ | - |  | $ | 38,097
Collateralized mortgage obligations |  |  | 211,241 |  |  | 3,302 |  |  | (965) |  |  | 213,578
Total securities held-to-maturity |  | $ | 247,746 |  | $ | 4,894 |  | $ | (965) |  | $ | 251,675
Schedule of fair value, amortized cost and weighted average yield of debt securities by contractual maturity along with securities not due at a single maturity date, primarily mortgage-backed securities (MBS), asset-backed securities, and collateralized loan obligations |
|  |  |  |  | Weighted |  |  |  |  |
|  | Amortized |  | Average |  |  | Fair |
Securities available-for-sale |  | Cost |  | Yield |  |  | Value |
Due in one year or less |  | $ | 14,410 |  | 1.93 | % |  | $ | 14,416 |
Due after one year through five years |  |  | 4,575 |  | 3.02 |  |  |  | 4,571 |
Due after five years through ten years |  |  | 16,855 |  | 2.62 |  |  |  | 16,594 |
Due after ten years |  |  | 43,835 |  | 3.51 |  |  |  | 43,752 |
|  |  | 79,675 |  | 3.01 |  |  |  | 79,333 |
Mortgage-backed and collateralized mortgage obligations |  |  | 216,863 |  | 2.43 |  |  |  | 212,461 |
Asset-backed securities |  |  | 146,391 |  | 2.15 |  |  |  | 138,407 |
Collateralized loan obligations |  |  | 102,504 |  | 3.80 |  |  |  | 101,637 |
Total securities available-for-sale |  | $ | 545,433 |  | 2.70 | % |  | $ | 531,838 |
Schedule of amortized cost and fair value of securities that exceed 10% of stockholders equity | Information regarding these two issuers and the value of the securities issued follows:
|  | December 31, 2016 |
|  | Amortized |  | Fair |
Issuer |  | Cost |  | Value |
GCO Education Loan Funding Corp |  | $ | 37,812 |  | $ | 34,678 |
Towd Point Mortgage Trust |  |  | 20,302 |  |  | 19,792 |
Schedule of securities with unrealized losses aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position |
|  | Less than 12 months |  | 12 months or more |  |  |  |  |  |  |  |
December 31, 2016 |  | in an unrealized loss position |  | in an unrealized loss position |  | Total
|  | Number of |  | Unrealized |  | Fair |  | Number of |  | Unrealized |  | Fair |  | Number of |  | Unrealized |  | Fair
Securities available-for-sale |  | Securities |  | Losses |  | Value |  | Securities |  | Losses |  | Value |  | Securities |  | Losses |  | Value
U.S. government agencies mortgage-backed |  | 11 |  | $ | 957 |  | $ | 40,636 |  | 1 |  | $ | 20 |  | $ | 898 |  | 12 |  | $ | 977 |  | $ | 41,534
States and political subdivisions |  | 12 |  |  | 273 |  |  | 35,241 |  | - |  |  | - |  |  | - |  | 12 |  |  | 273 |  |  | 35,241
Corporate bonds |  | 1 |  |  | 183 |  |  | 4,817 |  | 2 |  |  | 153 |  |  | 5,328 |  | 3 |  |  | 336 |  |  | 10,145
Collateralized mortgage obligations |  | 16 |  |  | 3,402 |  |  | 117,752 |  | 7 |  |  | 397 |  |  | 18,109 |  | 23 |  |  | 3,799 |  |  | 135,861
Asset-backed securities |  | 4 |  |  | 328 |  |  | 17,604 |  | 12 |  |  | 7,997 |  |  | 107,112 |  | 16 |  |  | 8,325 |  |  | 124,716
Collateralized loan obligations |  | - |  |  | - |  |  | - |  | 12 |  |  | 896 |  |  | 81,613 |  | 12 |  |  | 896 |  |  | 81,613
Total securities available-for-sale |  | 44 |  | $ | 5,143 |  | $ | 216,050 |  | 34 |  | $ | 9,463 |  | $ | 213,060 |  | 78 |  | $ | 14,606 |  | $ | 429,110
|  | Less than 12 months |  | 12 months or more |  |  |  |  |  |  |  |
December 31, 2015 |  | in an unrealized loss position |  | in an unrealized loss position |  | Total
|  | Number of |  | Unrealized |  |  | Fair |  | Number of |  | Unrealized |  |  | Fair |  | Number of |  | Unrealized |  |  | Fair
Securities available-for-sale |  | Securities |  | Losses |  |  | Value |  | Securities |  | Losses |  |  | Value |  | Securities |  | Losses |  |  | Value
U.S. government agencies |  | - |  | $ | - |  | $ | - |  | 1 |  | $ | 127 |  | $ | 1,556 |  | 1 |  | $ | 127 |  | $ | 1,556
U.S. government agencies mortgage-backed |  | 1 |  |  | 44 |  |  | 1,996 |  | - |  |  | - |  |  | - |  | 1 |  |  | 44 |  |  | 1,996
States and political subdivisions |  | 2 |  |  | 19 |  |  | 1,541 |  | 1 |  |  | 81 |  |  | 1,713 |  | 3 |  |  | 100 |  |  | 3,254
Corporate bonds |  | 5 |  |  | 292 |  |  | 14,866 |  | 3 |  |  | 465 |  |  | 14,534 |  | 8 |  |  | 757 |  |  | 29,400
Collateralized mortgage obligations |  | 4 |  |  | 334 |  |  | 16,218 |  | 7 |  |  | 1,513 |  |  | 43,618 |  | 11 |  |  | 1,847 |  |  | 59,836
Asset-backed securities |  | 9 |  |  | 2,080 |  |  | 78,301 |  | 8 |  |  | 7,958 |  |  | 121,217 |  | 17 |  |  | 10,038 |  |  | 199,518
Collateralized loan obligations |  | 5 |  |  | 446 |  |  | 29,480 |  | 9 |  |  | 1,677 |  |  | 62,771 |  | 14 |  |  | 2,123 |  |  | 92,251
Total securities available-for-sale |  | 26 |  | $ | 3,215 |  | $ | 142,402 |  | 29 |  | $ | 11,821 |  | $ | 245,409 |  | 55 |  | $ | 15,036 |  | $ | 387,811
Securities held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateralized mortgage obligations |  | 8 |  | $ | 505 |  | $ | 40,307 |  | 2 |  | $ | 460 |  | $ | 33,842 |  | 10 |  | $ | 965 |  | $ | 74,149
Total securities held-to-maturity |  | 8 |  | $ | 505 |  | $ | 40,307 |  | 2 |  | $ | 460 |  | $ | 33,842 |  | 10 |  | $ | 965 |  | $ | 74,149
Schedule of proceeds from sale and gross realized gains and losses on sale of securities |
|  | Years ended December 31,
|  | 2016 |  | 2015 |  | 2014
Proceeds from sales of securities |  | $ | 306,400 |  | $ | 70,176 |  | $ | 296,013
Gross realized gains on securities |  |  | 1,675 |  |  | 106 |  |  | 3,231
Gross realized losses on securities |  |  | (3,888) |  |  | (284) |  |  | (1,512)
Securities gains (losses), net |  | $ | (2,213) |  | $ | (178) |  | $ | 1,719
Income tax expense (benefit) on net realized gains (losses) |  | $ | (882) |  | $ | (71) |  | $ | 704

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