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Investment Securities (Tables) | 3 Months Ended
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Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract] |
Available-For-Sale Securities | The following table is the schedule of Available-For-Sale Securities at March 31, 2018, December 31, 2017 and March 31, 2017:
Available-For-Sale Securities
|  | U.S. Government & Agency Obligations |  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Mutual Funds and Equity Securities |  | Total Available- For-Sale Securities
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Available-For-Sale Securities, at Amortized Cost |  | $ | 60,264 |  |  | $ | 9,741 |  |  | $ | 240,033 |  |  | $ | 1,000 |  |  | $ | — |  |  | $ | 311,038 |
Available-For-Sale Securities, at Fair Value |  | 59,657 |  |  | 9,743 |  |  | 235,389 |  |  | 800 |  |  | — |  |  | 305,589 |
Gross Unrealized Gains |  | — |  |  | 7 |  |  | 347 |  |  | — |  |  | — |  |  | 354 |
Gross Unrealized Losses |  | 607 |  |  | 5 |  |  | 4,991 |  |  | 200 |  |  | — |  |  | 5,803 |
Available-For-Sale Securities, Pledged as Collateral |  |  |  |  |  |  |  |  |  |  |  | 229,857 |
Maturities of Debt Securities, at Amortized Cost: |  |  |  |  |  |  |  |  |  |  |  |
Within One Year |  | $ | 13,018 |  |  | $ | 8,363 |  |  | $ | 891 |  |  | $ | — |  |  |  |  | $ | 22,272 |
From 1 - 5 Years |  | 47,246 |  |  | 650 |  |  | 121,977 |  |  | — |  |  |  |  | 169,873 |
From 5 - 10 Years |  | — |  |  | 208 |  |  | 71,473 |  |  | — |  |  |  |  | 71,681 |
Over 10 Years |  | — |  |  | 520 |  |  | 45,692 |  |  | 1,000 |  |  |  |  | 47,212 |
Maturities of Debt Securities, at Fair Value: |  |  |  |  |  |  |  |  |  |  |  |
Within One Year |  | $ | 12,949 |  |  | $ | 8,360 |  |  | $ | 896 |  |  | $ | — |  |  |  |  | $ | 22,205 |
From 1 - 5 Years |  | 46,708 |  |  | 655 |  |  | 118,649 |  |  | — |  |  |  |  | 166,012 |
From 5 - 10 Years |  | — |  |  | 208 |  |  | 70,140 |  |  | — |  |  |  |  | 70,348 |
Over 10 Years |  | — |  |  | 520 |  |  | 45,704 |  |  | 800 |  |  |  |  | 47,024 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 17,128 |  |  | $ | 7,421 |  |  | $ | 112,078 |  |  | $ | — |  |  | $ | — |  |  | $ | 136,627 |
12 Months or Longer |  | 42,529 |  |  | — |  |  | 80,759 |  |  | 800 |  |  | — |  |  | 124,088 |
Total |  | $ | 59,657 |  |  | $ | 7,421 |  |  | $ | 192,837 |  |  | $ | 800 |  |  | $ | — |  |  | $ | 260,715 |
Number of Securities in a Continuous Loss Position |  | 14 |  |  | 29 |  |  | 69 |  |  | 1 |  |  | — |  |  | 113 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 266 |  |  | $ | 6 |  |  | $ | 1,940 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,212 |
12 Months or Longer |  | 341 |  |  | — |  |  | 3,050 |  |  | 200 |  |  | — |  |  | 3,591 |
Total |  | $ | 607 |  |  | $ | 6 |  |  | $ | 4,990 |  |  | $ | 200 |  |  | $ | — |  |  | $ | 5,803 |
Disaggregated Details: |  |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Amortized Cost |  | $ | — |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Fair Value |  | — |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Amortized Cost |  | 60,264 |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Fair Value |  | 59,657 |  |  |  |  |  |  |  |  |  |  |
Available-For-Sale Securities
|  | U.S. Government & Agency Obligations |  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Mutual Funds and Equity Securities |  | Total Available- For-Sale Securities
US Government Agency Securities, at Amortized Cost |  |  |  |  |  | $ | 59,446 |  |  |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  |  |  | 59,469 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  |  |  | 180,587 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  |  |  | 175,920 |  |  |  |  |  |  |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Available-For-Sale Securities, at Amortized Cost |  | $ | 60,328 |  |  | $ | 10,351 |  |  | $ | 229,077 |  |  | $ | 1,000 |  |  | $ | 1,120 |  |  | $ | 301,876 |
Available-For-Sale Securities, at Fair Value |  | 59,894 |  |  | 10,349 |  |  | 227,596 |  |  | 800 |  |  | 1,561 |  |  | 300,200 |
Gross Unrealized Gains |  | — |  |  | 9 |  |  | 485 |  |  | — |  |  | 441 |  |  | 935 |
Gross Unrealized Losses |  | 434 |  |  | 11 |  |  | 1,966 |  |  | 200 |  |  | — |  |  | 2,611 |
Available-For-Sale Securities, Pledged as Collateral, at Fair Value |  |  |  |  |  |  |  |  |  |  |  | 183,052 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 20,348 |  |  | $ | 8,498 |  |  | $ | 70,930 |  |  | $ | — |  |  | $ | — |  |  | $ | 99,776 |
12 Months or Longer |  | 39,546 |  |  | — |  |  | 80,759 |  |  | 800 |  |  | — |  |  | 121,105 |
Total |  | $ | 59,894 |  |  | $ | 8,498 |  |  | $ | 151,689 |  |  | $ | 800 |  |  | $ | — |  |  | $ | 220,881 |
Number of Securities in a Continuous Loss Position |  | 14 |  |  | 36 |  |  | 55 |  |  | 1 |  |  | — |  |  | 106 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 172 |  |  | $ | 11 |  |  | $ | 363 |  |  | $ | — |  |  | $ | — |  |  | $ | 546 |
12 Months or Longer |  | 262 |  |  | — |  |  | 1,603 |  |  | 200 |  |  | — |  |  | 2,065 |
Total |  | $ | 434 |  |  | $ | 11 |  |  | $ | 1,966 |  |  | $ | 200 |  |  | $ | — |  |  | $ | 2,611 |
Disaggregated Details: |  |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Amortized Cost |  | $ | — |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Fair Value |  | — |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Amortized Cost |  | 60,328 |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Fair Value |  | 59,894 |  |  |  |  |  |  |  |  |  |  |
US Government Agency Securities, at Amortized Cost |  |  |  |  |  | $ | 40,832 |  |  |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  |  |  | 40,832 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  |  |  | 188,245 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  |  |  | 186,764 |  |  |  |  |  |  |
Available-For-Sale Securities
|  | U.S. Government & Agency Obligations |  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Mutual Funds and Equity Securities |  | Total Available- For-Sale Securities
March 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Available-For-Sale Securities, at Amortized Cost |  | $ | 147,012 |  |  | $ | 25,467 |  |  | $ | 170,601 |  |  | $ | 3,501 |  |  | $ | 1,120 |  |  | $ | 347,701 |
Available-For-Sale Securities, at Fair Value |  | 147,231 |  |  | 25,507 |  |  | 169,728 |  |  | 3,298 |  |  | 1,395 |  |  | 347,159 |
Gross Unrealized Gains |  | 270 |  |  | 40 |  |  | 934 |  |  | — |  |  | 275 |  |  | 1,519 |
Gross Unrealized Losses |  | 52 |  |  | — |  |  | 1,806 |  |  | 203 |  |  | — |  |  | 2,061 |
Available-For-Sale Securities, Pledged as Collateral |  |  |  |  |  |  |  |  |  |  |  | 295,797 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 42,937 |  |  | $ | 828 |  |  | $ | 127,931 |  |  | $ | 2,498 |  |  | $ | — |  |  | $ | 174,194 |
12 Months or Longer |  | — |  |  | — |  |  | — |  |  | 800 |  |  | — |  |  | 800 |
Total |  | $ | 42,937 |  |  | $ | 828 |  |  | $ | 127,931 |  |  | $ | 3,298 |  |  | $ | — |  |  | $ | 174,994 |
Number of Securities in a Continuous Loss Position |  | 11 |  |  | 5 |  |  | 41 |  |  | 4 |  |  | — |  |  | 61 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 52 |  |  | $ | — |  |  | $ | 1,806 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 1,861 |
12 Months or Longer |  | — |  |  | — |  |  | — |  |  | 200 |  |  | — |  |  | 200 |
Total |  | $ | 52 |  |  | $ | — |  |  | $ | 1,806 |  |  | $ | 203 |  |  | $ | — |  |  | $ | 2,061 |
Disaggregated Details: |  |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Amortized Cost |  | $ | 54,649 |  |  |  |  |  |  |  |  |  |  |
US Treasury Obligations, at Fair Value |  | $ | 54,695 |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Amortized Cost |  | $ | 92,363 |  |  |  |  |  |  |  |  |  |  |
US Agency Obligations, at Fair Value |  | 92,536 |  |  |  |  |  |  |  |  |  |  |
US Government Agency Securities, at Amortized Cost |  |  |  |  |  | $ | 1,616 |  |  |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  |  |  | 1,625 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  |  |  | 168,985 |  |  |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  |  |  | 168,103 |  |  |  |  |  |  |
Held-To-Maturity Securities | The following table is the schedule of Held-To-Maturity Securities at March 31, 2018, December 31, 2017 and March 31, 2017:
Held-To-Maturity Securities
|  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Total Held-To Maturity Securities
March 31, 2018 |  |  |  |  |  |  |  |
Held-To-Maturity Securities, at Amortized Cost |  | $ | 272,938 |  |  | $ | 57,186 |  |  | $ | — |  |  | $ | 330,124 |
Held-To-Maturity Securities, at Fair Value |  | 268,605 |  |  | 56,333 |  |  | — |  |  | 324,938 |
Gross Unrealized Gains |  | 646 |  |  | — |  |  | — |  |  | 646 |
Gross Unrealized Losses |  | 4,979 |  |  | 853 |  |  | — |  |  | 5,832 |
Held-To-Maturity Securities, Pledged as Collateral |  |  |  |  |  |  |  | 307,273 |
Maturities of Debt Securities, at Amortized Cost: |  |  |  |  |  |  |  |
Within One Year |  | $ | 35,115 |  |  | $ | — |  |  | $ | — |  |  | $ | 35,115 |
From 1 - 5 Years |  | 81,312 |  |  | 51,243 |  |  | — |  |  | 132,555 |
From 5 - 10 Years |  | 153,111 |  |  | 5,943 |  |  | — |  |  | 159,054 |
Over 10 Years |  | 3,400 |  |  | — |  |  | — |  |  | 3,400 |
Maturities of Debt Securities, at Fair Value: |  |  |  |  |  |  |  |
Within One Year |  | $ | 35,160 |  |  | $ | — |  |  | $ | — |  |  | $ | 35,160 |
From 1 - 5 Years |  | 81,634 |  |  | 50,490 |  |  | — |  |  | 132,124 |
From 5 - 10 Years |  | 148,412 |  |  | 5,843 |  |  | — |  |  | 154,255 |
Over 10 Years |  | 3,399 |  |  | — |  |  | — |  |  | 3,399 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 101,695 |  |  | $ | 53,076 |  |  | $ | — |  |  | $ | 154,771 |
12 Months or Longer |  | 65,012 |  |  | 3,257 |  |  | — |  |  | 68,269 |
Total |  | $ | 166,707 |  |  | $ | 56,333 |  |  | $ | — |  |  | $ | 223,040 |
Number of Securities in a Continuous Loss Position |  | 495 |  |  | 47 |  |  | — |  |  | 542 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 1,981 |  |  | $ | 767 |  |  | $ | — |  |  | $ | 2,748 |
12 Months or Longer |  | 2,998 |  |  | 86 |  |  | — |  |  | 3,084 |
Total |  | $ | 4,979 |  |  | $ | 853 |  |  | $ | — |  |  | $ | 5,832 |
Disaggregated Details: |  |  |  |  |  |  |  |
US Government Agency Securities, at Amortized Cost |  |  |  | $ | 2,530 |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  | 2,483 |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  | 54,656 |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  | 53,850 |  |  |  |  |
Held-To-Maturity Securities
|  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Total Held-To Maturity Securities
December 31, 2017 |  |  |  |  |  |  |  |
Held-To-Maturity Securities, at Amortized Cost |  | $ | 275,530 |  |  | $ | 60,377 |  |  | $ | — |  |  | $ | 335,907 |
Held-To-Maturity Securities, at Fair Value |  | 275,353 |  |  | 60,548 |  |  | — |  |  | 335,901 |
Gross Unrealized Gains |  | 1,691 |  |  | 269 |  |  | — |  |  | 1,960 |
Gross Unrealized Losses |  | 1,868 |  |  | 98 |  |  | — |  |  | 1,966 |
Held-To-Maturity Securities, Pledged as Collateral |  |  |  |  |  |  |  | 318,622 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 55,648 |  |  | $ | 13,764 |  |  | $ | — |  |  | $ | 69,412 |
12 Months or Longer |  | 65,152 |  |  | 3,257 |  |  | — |  |  | 68,409 |
Total |  | $ | 120,800 |  |  | $ | 17,021 |  |  | $ | — |  |  | $ | 137,821 |
Number of Securities in a Continuous Loss Position |  | 352 |  |  | 14 |  |  | — |  |  | 366 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 442 |  |  | $ | 56 |  |  | $ | — |  |  | $ | 498 |
12 Months or Longer |  | 1,425 |  |  | 43 |  |  | — |  |  | 1,468 |
Total |  | $ | 1,867 |  |  | $ | 99 |  |  | $ | — |  |  | $ | 1,966 |
Disaggregated Details: |  |  |  |  |  |  |  |
US Government Agency Securities, at Amortized Cost |  |  |  | $ | 2,680 |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  | 2,661 |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  | 57,697 |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  | 57,887 |  |  |  |  |
March 31, 2017 |  |  |  |  |  |  |  |
Held-To-Maturity Securities, at Amortized Cost |  | $ | 263,642 |  |  | $ | 71,569 |  |  | $ | — |  |  | $ | 335,211 |
Held-To-Maturity Securities, at Fair Value |  | 263,255 |  |  | 71,850 |  |  | — |  |  | 335,105 |
Gross Unrealized Gains |  | 2,410 |  |  | 298 |  |  | — |  |  | 2,708 |
Gross Unrealized Losses |  | 2,796 |  |  | 17 |  |  | — |  |  | 2,813 |
Held-To-Maturity Securities, Pledged as Collateral |  |  |  |  |  |  |  | 316,966 |
Securities in a Continuous Loss Position, at Fair Value: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 95,450 |  |  | $ | 7,682 |  |  | $ | — |  |  | $ | 103,132 |
12 Months or Longer |  | 657 |  |  | — |  |  | — |  |  | 657 |
Total |  | $ | 96,107 |  |  | $ | 7,682 |  |  | $ | — |  |  | $ | 103,789 |
Number of Securities in a Continuous Loss Position |  | 251 |  |  | 8 |  |  | — |  |  | 259 |
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |  |  |  |  |  |
Less than 12 Months |  | $ | 2,793 |  |  | $ | 17 |  |  | $ | — |  |  | $ | 2,810 |
12 Months or Longer |  | 3 |  |  | — |  |  | — |  |  | 3 |
Total |  | $ | 2,796 |  |  | $ | 17 |  |  | $ | — |  |  | $ | 2,813 |
Held-To-Maturity Securities
|  | State and Municipal Obligations |  | Mortgage- Backed Securities |  | Corporate and Other Debt Securities |  | Total Held-To Maturity Securities
March 31, 2017 |  |  |  |  |  |  |  |
Disaggregated Details: |  |  |  |  |  |  |  |
US Government Agency Securities, at Amortized Cost |  |  |  | $ | 3,106 |  |  |  |  |
US Government Agency Securities, at Fair Value |  |  |  | 3,121 |  |  |  |  |
Government Sponsored Entity Securities, at Amortized Cost |  |  |  | 68,463 |  |  |  |  |
Government Sponsored Entity Securities, at Fair Value |  |  |  | 68,729 |  |  |  |  |
The following table is the schedule of Equity Securities at March 31, 2018. Upon the adoption of ASU 2016-01 effective January 1, 2018, Equity Securities are not included in Securities Available-For-Sale since unrealized gains and losses are now recorded in the Consolidated Statements of Income. Prior to January 1, 2018, Equity Securities were included in Securities Available-For-Sale.
Equity Securities
March 31, 2018 |  |
Equity Securities, at Fair Value |  | $ | 1,579 |

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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=75019621&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=82897076&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=82897076&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=75019621&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=82897076&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=82897076&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=82897076&loc=d3e27290-111563 + Details
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