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SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
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Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | $ 198,348,000 | $ 475,029,000
Less than 12 Months, Unrealized Losses | (1,204,000) | (5,361,000)
More than 12 Months, Fair Value | 75,035,000 | 385,433,000
More than 12 Months, Unrealized Losses | (696,000) | (10,184,000)
Total, Fair Value | 273,383,000 | 860,462,000
Unrealized Losses, Total | (1,900,000) | (15,545,000)
Obligations of states and political subdivisions |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 4,526,000 | 133,513,000
Less than 12 Months, Unrealized Losses | (29,000) | (1,566,000)
More than 12 Months, Fair Value | 0 | 10,145,000
More than 12 Months, Unrealized Losses | 0 | (375,000)
Total, Fair Value | 4,526,000 | 143,658,000
Unrealized Losses, Total | (29,000) | (1,941,000)
Corporate and other bonds |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 44,567,000 | 35,478,000
Less than 12 Months, Unrealized Losses | (255,000) | (315,000)
More than 12 Months, Fair Value | 19,902,000 | 33,888,000
More than 12 Months, Unrealized Losses | (291,000) | (668,000)
Total, Fair Value | 64,469,000 | 69,366,000
Unrealized Losses, Total | (546,000) | (983,000)
Mortgage-backed securities |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Less than 12 months, Fair Value | 149,255,000 | 306,038,000
Less than 12 Months, Unrealized Losses | (920,000) | (3,480,000)
More than 12 Months, Fair Value | 55,133,000 | 341,400,000
More than 12 Months, Unrealized Losses | (405,000) | (9,141,000)
Total, Fair Value | 204,388,000 | 647,438,000
Unrealized Losses, Total | $ (1,325,000) | $ (12,621,000)

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