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Investment Securities (Tables) | 9 Months Ended
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Sep. 30, 2019
Investments [Abstract] |
Amortized Cost And Fair Value Of Investment Securities | The amortized cost and fair value of investment securities are summarized below (in thousands):
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency and government sponsored enterprises |  | $ | 71,522 |  |  | $ | 1,288 |  |  | $ | 14 |  |  | $ | 72,796 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 264,435 |  |  |  | 4,100 |  |  |  | 688 |  |  |  | 267,847 |
Federal Home Loan Mortgage Corporation |  |  | 35,080 |  |  |  | 412 |  |  |  | 179 |  |  |  | 35,313 |
Government National Mortgage Association |  |  | 4,523 |  |  |  | 70 |  |  |  | — |  |  |  | 4,593 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 9,269 |  |  |  | — |  |  |  | 34 |  |  |  | 9,235 |
Federal Home Loan Mortgage Corporation |  |  | 5,016 |  |  |  | — |  |  |  | 17 |  |  |  | 4,999 |
Privately issued |  |  | — |  |  |  | 658 |  |  |  | — |  |  |  | 658 |
Total mortgage-backed securities |  |  | 318,323 |  |  |  | 5,240 |  |  |  | 918 |  |  |  | 322,645 |
Total available for sale securities |  | $ | 389,845 |  |  | $ | 6,528 |  |  | $ | 932 |  |  | $ | 395,441 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State and political subdivisions |  | $ | 197,743 |  |  | $ | 3,529 |  |  | $ | 5 |  |  | $ | 201,267 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 10,798 |  |  |  | 229 |  |  |  | 1 |  |  |  | 11,026 |
Federal Home Loan Mortgage Corporation |  |  | 4,048 |  |  |  | 95 |  |  |  | 26 |  |  |  | 4,117 |
Government National Mortgage Association |  |  | 38,084 |  |  |  | 375 |  |  |  | 40 |  |  |  | 38,419 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 53,179 |  |  |  | 228 |  |  |  | 330 |  |  |  | 53,077 |
Federal Home Loan Mortgage Corporation |  |  | 67,548 |  |  |  | 444 |  |  |  | 261 |  |  |  | 67,731 |
Government National Mortgage Association |  |  | 14,905 |  |  |  | 42 |  |  |  | 98 |  |  |  | 14,849 |
Total mortgage-backed securities |  |  | 188,562 |  |  |  | 1,413 |  |  |  | 756 |  |  |  | 189,219 |
Total held to maturity securities |  | $ | 386,305 |  |  | $ | 4,942 |  |  | $ | 761 |  |  | $ | 390,486 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency and government sponsored enterprises |  | $ | 155,102 |  |  | $ | — |  |  | $ | 3,074 |  |  | $ | 152,028 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 258,984 |  |  |  | 44 |  |  |  | 6,325 |  |  |  | 252,703 |
Federal Home Loan Mortgage Corporation |  |  | 35,962 |  |  |  | 13 |  |  |  | 1,275 |  |  |  | 34,700 |
Government National Mortgage Association |  |  | 5,364 |  |  |  | 21 |  |  |  | 76 |  |  |  | 5,309 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 133 |  |  |  | — |  |  |  | — |  |  |  | 133 |
Federal Home Loan Mortgage Corporation |  |  | 37 |  |  |  | — |  |  |  | — |  |  |  | 37 |
Privately issued |  |  | — |  |  |  | 767 |  |  |  | — |  |  |  | 767 |
Total mortgage-backed securities |  |  | 300,480 |  |  |  | 845 |  |  |  | 7,676 |  |  |  | 293,649 |
Total available for sale securities |  | $ | 455,582 |  |  | $ | 845 |  |  | $ | 10,750 |  |  | $ | 445,677 |
(4.)INVESTMENT SECURITIES (Continued)
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
December 31, 2018 (continued) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State and political subdivisions |  | $ | 234,845 |  |  | $ | 876 |  |  | $ | 1,211 |  |  | $ | 234,510 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 11,602 |  |  |  | 8 |  |  |  | 261 |  |  |  | 11,349 |
Federal Home Loan Mortgage Corporation |  |  | 4,583 |  |  |  | — |  |  |  | 193 |  |  |  | 4,390 |
Government National Mortgage Association |  |  | 37,450 |  |  |  | 14 |  |  |  | 923 |  |  |  | 36,541 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 62,103 |  |  |  | 1 |  |  |  | 2,179 |  |  |  | 59,925 |
Federal Home Loan Mortgage Corporation |  |  | 78,200 |  |  |  | — |  |  |  | 2,597 |  |  |  | 75,603 |
Government National Mortgage Association |  |  | 17,798 |  |  |  | — |  |  |  | 535 |  |  |  | 17,263 |
Total mortgage-backed securities |  |  | 211,736 |  |  |  | 23 |  |  |  | 6,688 |  |  |  | 205,071 |
Total held to maturity securities |  | $ | 446,581 |  |  | $ | 899 |  |  | $ | 7,899 |  |  | $ | 439,581 |
Sales Of Securities Available For Sale | Sales of securities available for sale were as follows (in thousands):
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Proceeds from sales |  | $ | 65,427 |  |  | $ | 21,470 |  |  | $ | 110,042 |  |  | $ | 27,238 |
Gross realized gains |  |  | 1,608 |  |  |  | 64 |  |  |  | 1,811 |  |  |  | 73 |
Gross realized losses |  |  | — |  |  |  | 159 |  |  |  | 90 |  |  |  | 161 |
Scheduled Maturities Of Securities Available For Sale And Securities Held To Maturity | The scheduled maturities of securities available for sale and securities held to maturity at September 30, 2019 are shown below (in thousands). Actual expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations.
|  | Amortized |  |  | Fair |
|  | Cost |  |  | Value |
Debt securities available for sale: |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 13,730 |  |  | $ | 13,702 |
Due from one to five years |  |  | 79,480 |  |  |  | 80,736 |
Due after five years through ten years |  |  | 169,611 |  |  |  | 172,994 |
Due after ten years |  |  | 127,024 |  |  |  | 128,009 |
Total available for sale securities |  | $ | 389,845 |  |  | $ | 395,441 |
Debt securities held to maturity: |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 52,692 |  |  | $ | 53,043 |
Due from one to five years |  |  | 128,065 |  |  |  | 130,679 |
Due after five years through ten years |  |  | 51,848 |  |  |  | 52,333 |
Due after ten years |  |  | 153,700 |  |  |  | 154,431 |
Total held to maturity securities |  | $ | 386,305 |  |  | $ | 390,486 |
Investments Gross Unrealized Losses And Fair Value | Unrealized losses on investment securities and the fair value of the related securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows (in thousands):
|  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency and government sponsored enterprises |  | $ | — |  |  | $ | — |  |  | $ | 8,986 |  |  | $ | 14 |  |  | $ | 8,986 |  |  | $ | 14 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 63,435 |  |  |  | 548 |  |  |  | 21,217 |  |  |  | 140 |  |  |  | 84,652 |  |  |  | 688 |
Federal Home Loan Mortgage Corporation |  |  | 889 |  |  |  | 6 |  |  |  | 9,813 |  |  |  | 173 |  |  |  | 10,702 |  |  |  | 179 |
Government National Mortgage Association |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 5,178 |  |  |  | 34 |  |  |  | 16 |  |  |  | — |  |  |  | 5,194 |  |  |  | 34 |
Federal Home Loan Mortgage Corporation |  |  | 4,966 |  |  |  | 17 |  |  |  | — |  |  |  | — |  |  |  | 4,966 |  |  |  | 17 |
Total mortgage-backed securities |  |  | 74,468 |  |  |  | 605 |  |  |  | 31,046 |  |  |  | 313 |  |  |  | 105,514 |  |  |  | 918 |
Total available for sale securities |  |  | 74,468 |  |  |  | 605 |  |  |  | 40,032 |  |  |  | 327 |  |  |  | 114,500 |  |  |  | 932 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State and political subdivisions |  |  | 2,011 |  |  |  | 5 |  |  |  | — |  |  |  | — |  |  |  | 2,011 |  |  |  | 5 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | — |  |  |  | — |  |  |  | 1,078 |  |  |  | 1 |  |  |  | 1,078 |  |  |  | 1 |
Federal Home Loan Mortgage Corporation |  |  | — |  |  |  | — |  |  |  | 2,621 |  |  |  | 26 |  |  |  | 2,621 |  |  |  | 26 |
Government National Mortgage Association |  |  | 848 |  |  |  | 1 |  |  |  | 5,799 |  |  |  | 39 |  |  |  | 6,647 |  |  |  | 40 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 8,207 |  |  |  | 35 |  |  |  | 23,372 |  |  |  | 295 |  |  |  | 31,579 |  |  |  | 330 |
Federal Home Loan Mortgage Corporation |  |  | 11,631 |  |  |  | 26 |  |  |  | 22,115 |  |  |  | 235 |  |  |  | 33,746 |  |  |  | 261 |
Government National Mortgage Association |  |  | 3,575 |  |  |  | 52 |  |  |  | 3,875 |  |  |  | 46 |  |  |  | 7,450 |  |  |  | 98 |
Total mortgage-backed securities |  |  | 24,261 |  |  |  | 114 |  |  |  | 58,860 |  |  |  | 642 |  |  |  | 83,121 |  |  |  | 756 |
Total held to maturity securities |  |  | 26,272 |  |  |  | 119 |  |  |  | 58,860 |  |  |  | 642 |  |  |  | 85,132 |  |  |  | 761 |
Total temporarily impaired securities |  | $ | 100,740 |  |  | $ | 724 |  |  | $ | 98,892 |  |  | $ | 969 |  |  | $ | 199,632 |  |  | $ | 1,693 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agencies and government sponsored enterprises |  | $ | — |  |  | $ | — |  |  | $ | 152,028 |  |  | $ | 3,074 |  |  | $ | 152,028 |  |  | $ | 3,074 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 251 |  |  |  | 1 |  |  |  | 247,615 |  |  |  | 6,324 |  |  |  | 247,866 |  |  |  | 6,325 |
Federal Home Loan Mortgage Corporation |  |  | — |  |  |  | — |  |  |  | 33,918 |  |  |  | 1,275 |  |  |  | 33,918 |  |  |  | 1,275 |
Government National Mortgage Association |  |  | — |  |  |  | — |  |  |  | 4,667 |  |  |  | 76 |  |  |  | 4,667 |  |  |  | 76 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | — |  |  |  | — |  |  |  | 56 |  |  |  | — |  |  |  | 56 |  |  |  | — |
Federal Home Loan Mortgage Corporation |  |  | — |  |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | 6 |  |  |  | — |
Total mortgage-backed securities |  |  | 251 |  |  |  | 1 |  |  |  | 286,262 |  |  |  | 7,675 |  |  |  | 286,513 |  |  |  | 7,676 |
Total available for sale securities |  |  | 251 |  |  |  | 1 |  |  |  | 438,290 |  |  |  | 10,749 |  |  |  | 438,541 |  |  |  | 10,750 |
(4.)INVESTMENT SECURITIES (Continued)
|  | Less than 12 months |  |  | 12 months or longer |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
December 31, 2018 (continued) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
State and political subdivisions |  |  | 35,751 |  |  |  | 91 |  |  |  | 49,534 |  |  |  | 1,120 |  |  |  | 85,285 |  |  |  | 1,211 |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | 1,518 |  |  |  | 3 |  |  |  | 8,695 |  |  |  | 258 |  |  |  | 10,213 |  |  |  | 261 |
Federal Home Loan Mortgage Corporation |  |  | 1,467 |  |  |  | 5 |  |  |  | 2,923 |  |  |  | 188 |  |  |  | 4,390 |  |  |  | 193 |
Government National Mortgage Association |  |  | 11,783 |  |  |  | 82 |  |  |  | 22,516 |  |  |  | 841 |  |  |  | 34,299 |  |  |  | 923 |
Collateralized mortgage obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal National Mortgage Association |  |  | — |  |  |  | — |  |  |  | 57,973 |  |  |  | 2,179 |  |  |  | 57,973 |  |  |  | 2,179 |
Federal Home Loan Mortgage Corporation |  |  | — |  |  |  | — |  |  |  | 75,603 |  |  |  | 2,597 |  |  |  | 75,603 |  |  |  | 2,597 |
Government National Mortgage Association |  |  | — |  |  |  | — |  |  |  | 17,263 |  |  |  | 535 |  |  |  | 17,263 |  |  |  | 535 |
Total mortgage-backed securities |  |  | 14,768 |  |  |  | 90 |  |  |  | 184,973 |  |  |  | 6,598 |  |  |  | 199,741 |  |  |  | 6,688 |
Total held to maturity securities |  |  | 50,519 |  |  |  | 181 |  |  |  | 234,507 |  |  |  | 7,718 |  |  |  | 285,026 |  |  |  | 7,899 |
Total temporarily impaired securities |  | $ | 50,770 |  |  | $ | 182 |  |  | $ | 672,797 |  |  | $ | 18,467 |  |  | $ | 723,567 |  |  | $ | 18,649 |

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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
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