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INVESTMENT SECURITIES (Tables) | 3 Months Ended
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Mar. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Schedule of amortized cost and related market value of investment securities available-for-sale |
Investment Portfolio Composition. The amortized cost and related market value of investment securities available-for-sale and
held-to-maturity were as follows:
| March 31, 2019 |  |  | December 31, 2018
| Amortized | Unrealized | Unrealized | Market | Amortized | Unrealized | Unrealized | Market
| Cost |  | Gains |  | Losses |  | Value |  | Cost |  | Gain |  | Losses |  | Value
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury | $ | 254,265 |  | $ | 364 |  | $ | 1,688 |  | $ | 252,941 |  | $ | 264,298 |  | $ | 167 |  | $ | 2,616 |  | $ | 261,849
U.S. Government Agency |  | 133,566 |  |  | 495 |  |  | 468 |  |  | 133,593 |  |  | 133,201 |  |  | 520 |  |  | 515 |  |  | 133,206
States and Political Subdivisions |  | 33,900 |  |  | 3 |  |  | 47 |  |  | 33,856 |  |  | 42,509 |  |  | - |  |  | 144 |  |  | 42,365
Mortgage-Backed Securities |  | 736 |  |  | 43 |  |  | - |  |  | 779 |  |  | 903 |  |  | 40 |  |  | - |  |  | 943
Equity Securities(1) |  | 7,847 |  |  | - |  |  | - |  |  | 7,847 |  |  | 7,794 |  |  | - |  |  | - |  |  | 7,794
Total | $ | 430,314 |  | $ | 905 |  | $ | 2,203 |  | $ | 429,016 |  | $ | 448,705 |  | $ | 727 |  | $ | 3,275 |  | $ | 446,157
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury | $ | 35,076 |  | $ | - |  | $ | 311 |  | $ | 34,765 |  | $ | 35,088 |  | $ | - |  | $ | 477 |  | $ | 34,611
States and Political Subdivisions |  | 5,960 |  |  | - |  |  | 10 |  |  | 5,950 |  |  | 6,512 |  |  | - |  |  | 26 |  |  | 6,486
Mortgage-Backed Securities |  | 185,143 |  |  | 668 |  |  | 1,209 |  |  | 184,602 |  |  | 175,720 |  |  | 220 |  |  | 2,624 |  |  | 173,316
Total | $ | 226,179 |  | $ | 668 |  | $ | 1,530 |  | $ | 225,317 |  | $ | 217,320 |  | $ | 220 |  | $ | 3,127 |  | $ | 214,413
Total Investment Securities | $ | 656,493 |  | $ | 1,573 |  | $ | 3,733 |  | $ | 654,333 |  | $ | 666,025 |  | $ | 947 |  | $ | 6,402 |  | $ | 660,570
Schedule of investment securities with maturity distribution based on contractual maturities |
| Available for Sale |  | Held to Maturity
(Dollars in Thousands) | Amortized Cost |  | Market Value |  | Amortized Cost |  | Market Value
Due in one year or less | $ | 131,777 |  | $ | 131,011 |  | $ | 20,620 |  | $ | 20,516
Due after one year through five years |  | 172,196 |  |  | 171,513 |  |  | 20,416 |  |  | 20,199
Mortgage-Backed Securities |  | 736 |  |  | 779 |  |  | 185,143 |  |  | 184,602
U.S. Government Agency |  | 117,758 |  |  | 117,866 |  |  | - |  |  | -
Equity Securities |  | 7,847 |  |  | 7,847 |  |  | - |  |  | -
Total | $ | 430,314 |  | $ | 429,016 |  | $ | 226,179 |  | $ | 225,317
Schedule of investment securities with continuous unrealized loss position |
| Less Than |  | Greater Than |  |  |  |  |  |
| 12 Months |  | 12 Months |  | Total
| Market |  | Unrealized |  | Market |  | Unrealized |  | Market |  | Unrealized
(Dollars in Thousands) | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury | $ | - |  | $ | - |  | $ | 197,921 |  | $ | 1,688 |  | $ | 197,921 |  | $ | 1,688
U.S. Government Agency |  | 35,901 |  |  | 238 |  |  | 39,054 |  |  | 230 |  |  | 74,955 |  |  | 468
States and Political Subdivisions |  | 4,148 |  |  | 1 |  |  | 22,769 |  |  | 46 |  |  | 26,917 |  |  | 47
Mortgage-Backed Securities |  | 9 |  |  | - |  |  | - |  |  | - |  |  | 9 |  |  | -
Total |  | 40,058 |  |  | 239 |  |  | 259,744 |  |  | 1,964 |  |  | 299,802 |  |  | 2,203
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | - |  |  | - |  |  | 34,766 |  |  | 311 |  |  | 34,766 |  |  | 311
States and Political Subdivisions |  | 203 |  |  | - |  |  | 5,747 |  |  | 10 |  |  | 5,950 |  |  | 10
Mortgage-Backed Securities |  | 10,210 |  |  | 82 |  |  | 85,679 |  |  | 1,127 |  |  | 95,889 |  |  | 1,209
Total | $ | 10,413 |  | $ | 82 |  | $ | 126,192 |  | $ | 1,448 |  | $ | 136,605 |  | $ | 1,530
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury | $ | 28,420 |  | $ | 80 |  | $ | 193,501 |  | $ | 2,536 |  | $ | 221,921 |  | $ | 2,616
U.S. Government Agency |  | 53,237 |  |  | 271 |  |  | 28,735 |  |  | 244 |  |  | 81,972 |  |  | 515
States and Political Subdivisions |  | 8,243 |  |  | 12 |  |  | 31,417 |  |  | 132 |  |  | 39,660 |  |  | 144
Mortgage-Backed Securities |  | 10 |  |  | - |  |  | - |  |  | - |  |  | 10 |  |  | -
Total |  | 89,910 |  |  | 363 |  |  | 253,653 |  |  | 2,912 |  |  | 343,563 |  |  | 3,275
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | - |  |  | - |  |  | 34,612 |  |  | 477 |  |  | 34,612 |  |  | 477
States and Political Subdivisions |  | 204 |  |  | - |  |  | 6,281 |  |  | 26 |  |  | 6,485 |  |  | 26
Mortgage-Backed Securities |  | 51,327 |  |  | 389 |  |  | 84,705 |  |  | 2,235 |  |  | 136,032 |  |  | 2,624
Total | $ | 51,531 |  | $ | 389 |  | $ | 125,598 |  | $ | 2,738 |  | $ | 177,129 |  | $ | 3,127

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- References No definition available. + Details
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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=82897076&loc=d3e27290-111563 + Details
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