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INVESTMENT SECURITIES (Tables) | 3 Months Ended
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Mar. 31, 2016
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 were as follows:
|  | March 31, 2016 |  | December 31, 2015
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Market Value |  | Amortized Cost |  | Unrealized Gain |  | Unrealized Losses |  | Market Value
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | $ | 257,978 |  |  | $ | 1,083 |  |  | $ | 1 |  |  | $ | 259,060 |  |  | $ | 250,458 |  |  | $ | 101 |  |  | $ | 213 |  |  | $ | 250,346 |
U.S. Government Agency |  |  | 103,802 |  |  |  | 530 |  |  |  | 125 |  |  |  | 104,207 |  |  |  | 101,730 |  |  |  | 357 |  |  |  | 263 |  |  |  | 101,824 |
States and Political Subdivisions |  |  | 88,556 |  |  |  | 321 |  |  |  | 12 |  |  |  | 88,865 |  |  |  | 88,358 |  |  |  | 103 |  |  |  | 99 |  |  |  | 88,362 |
Mortgage-Backed Securities |  |  | 1,429 |  |  |  | 134 |  |  |  | — |  |  |  | 1,563 |  |  |  | 1,742 |  |  |  | 159 |  |  |  | — |  |  |  | 1,901 |
Equity Securities(1) |  |  | 8,749 |  |  |  | — |  |  |  | — |  |  |  | 8,749 |  |  |  | 8,595 |  |  |  | — |  |  |  | — |  |  |  | 8,595 |
Total |  | $ | 460,514 |  |  | $ | 2,068 |  |  | $ | 138 |  |  | $ | 462,444 |  |  | $ | 450,883 |  |  | $ | 720 |  |  | $ | 575 |  |  | $ | 451,028 |
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | $ | 139,501 |  |  | $ | 596 |  |  | $ | — |  |  | $ | 140,097 |  |  | $ | 134,554 |  |  | $ | 45 |  |  | $ | 160 |  |  | $ | 134,439 |
U.S. Government Agency |  |  | 10,026 |  |  |  | 13 |  |  |  | — |  |  |  | 10,039 |  |  |  | 10,043 |  |  |  | 7 |  |  |  | 5 |  |  |  | 10,045 |
States and Political Subdivisions |  |  | 12,495 |  |  |  | 81 |  |  |  | 1 |  |  |  | 12,575 |  |  |  | 15,693 |  |  |  | 38 |  |  |  | 7 |  |  |  | 15,724 |
Mortgage-Backed Securities |  |  | 25,057 |  |  |  | 76 |  |  |  | 195 |  |  |  | 24,938 |  |  |  | 27,602 |  |  |  | 4 |  |  |  | 407 |  |  |  | 27,199 |
Total |  | $ | 187,079 |  |  | $ | 766 |  |  | $ | 196 |  |  | $ | 187,649 |  |  | $ | 187,892 |  |  | $ | 94 |  |  | $ | 579 |  |  | $ | 187,407 |
Total Investment Securities |  | $ | 647,593 |  |  | $ | 2,834 |  |  | $ | 334 |  |  | $ | 650,093 |  |  | $ | 638,775 |  |  | $ | 814 |  |  | $ | 1,154 |  |  | $ | 638,435 |
| (1) | Includes Federal Home Loan Bank, Federal Reserve Bank, and FNBB Inc. stock recorded at cost of $3.7 million, $4.8 million, and $0.2 million, respectively, at March 31, 2016 and $3.6 million, $4.8 million, and $0.2 million, respectively, at December 31, 2015.
Schedule of investment securities with maturity distribution based on contractual maturities | Maturity Distribution. As of March 31, 2016, the Company’s investment securities had the following maturity distribution based on contractual maturity. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations. Mortgage-backed securities and certain amortizing U.S. government agency securities are shown separately because they are not due at a certain maturity date.
|  | Available for Sale |  | Held to Maturity
(Dollars in Thousands) |  | Amortized Cost |  | Market Value |  | Amortized Cost |  | Market Value
Due in one year or less |  | $ | 91,208 |  |  | $ | 91,254 |  |  | $ | 70,534 |  |  | $ | 70,630 |
Due after one through five years |  |  | 289,626 |  |  |  | 291,096 |  |  |  | 91,488 |  |  |  | 92,081 |
Mortgage-Backed Securities |  |  | 1,429 |  |  |  | 1,563 |  |  |  | 25,057 |  |  |  | 24,938 |
U.S. Government Agency |  |  | 69,502 |  |  |  | 69,782 |  |  |  | — |  |  |  | — |
Equity Securities |  |  | 8,749 |  |  |  | 8,749 |  |  |  | — |  |  |  | — |
Total |  | $ | 460,514 |  |  | $ | 462,444 |  |  | $ | 187,079 |  |  | $ | 187,649 |
Schedule of investment securities with continuous unrealized loss position | Unrealized Losses on Investment Securities. The following table summarizes the investment securities with unrealized losses aggregated by major security type and length of time in a continuous unrealized loss position:
|  | Less Than 12 Months |  | Greater Than 12 Months |  | Total
(Dollars in Thousands) |  | Market Value |  | Unrealized Losses |  | Market Value |  | Unrealized Losses |  | Market Value |  | Unrealized Losses
March 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | $ | 7,497 |  |  | $ | 1 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,497 |  |  | $ | 1 |
U.S. Government Agency |  |  | 15,142 |  |  |  | 60 |  |  |  | 12,362 |  |  |  | 65 |  |  |  | 27,504 |  |  |  | 125 |
States and Political Subdivisions |  |  | 10,733 |  |  |  | 11 |  |  |  | 305 |  |  |  | 1 |  |  |  | 11,038 |  |  |  | 12 |
Mortgage-Backed Securities |  |  | 4 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | — |
Total |  |  | 33,376 |  |  |  | 72 |  |  |  | 12,667 |  |  |  | 66 |  |  |  | 46,043 |  |  |  | 138 |
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Agencies |  |  | 1,913 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,913 |  |  |  | — |
States and Political Subdivisions |  |  | 1,724 |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 1,724 |  |  |  | 1 |
Mortgage-Backed Securities |  |  | 4,032 |  |  |  | 19 |  |  |  | 11,630 |  |  |  | 176 |  |  |  | 15,662 |  |  |  | 195 |
Total |  | $ | 7,669 |  |  | $ | 20 |  |  | $ | 11,630 |  |  | $ | 176 |  |  | $ | 19,299 |  |  | $ | 196 |
December 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  | $ | 150,061 |  |  | $ | 213 |  |  | $ | — |  |  | $ | — |  |  | $ | 150,061 |  |  | $ | 213 |
U.S. Government Agency |  |  | 43,508 |  |  |  | 200 |  |  |  | 9,644 |  |  |  | 63 |  |  |  | 53,152 |  |  |  | 263 |
States and Political Subdivisions |  |  | 39,608 |  |  |  | 86 |  |  |  | 5,066 |  |  |  | 13 |  |  |  | 44,674 |  |  |  | 99 |
Total |  |  | 233,177 |  |  |  | 499 |  |  |  | 14,710 |  |  |  | 76 |  |  |  | 247,887 |  |  |  | 575 |
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government Treasury |  |  | 92,339 |  |  |  | 160 |  |  |  | — |  |  |  | — |  |  |  | 92,339 |  |  |  | 160 |
U.S. Government Agency |  |  | 5,006 |  |  |  | 5 |  |  |  | — |  |  |  | — |  |  |  | 5,006 |  |  |  | 5 |
States and Political Subdivisions |  |  | 3,791 |  |  |  | 7 |  |  |  | — |  |  |  | — |  |  |  | 3,791 |  |  |  | 7 |
Mortgage-Backed Securities |  |  | 13,267 |  |  |  | 185 |  |  |  | 11,889 |  |  |  | 222 |  |  |  | 25,156 |  |  |  | 407 |
Total |  | $ | 114,403 |  |  | $ | 357 |  |  | $ | 11,889 |  |  | $ | 222 |  |  | $ | 126,292 |  |  | $ | 579

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + 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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- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
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