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NOTE 2 - INVESTMENT SECURITIES (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) state item | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) state item
Number of securities | item | 606 |  |
Available-for-sale, unrealized loss positions, qualitative disclosure, number of positions | item | 182 |  |
Aggregate losses of securities (as a percent) | 0.40% |  |
Available-for-sale, unrealized loss positions, qualitative disclosure, number of positions, greater than or equal to one year | item | 170 |  |
Other than temporary impairment losses, investments | $ | $ 0 | $ 0 |
Sale of securities | $ | $ 0 | $ 0 |
Number Of Charters Owning Municipal Securities | item | 5 |  |
Municipal Bonds | General Obligation Bonds |  |  |
Number of issuers | item | 106 |  | 110
Other investments | $ | $ 86,000 |  | $ 86,400
Number of states holding investments | state | 25 |  | 26
Municipal Bonds | General Obligation Bonds | Minimum |  |  |
Other investments | $ | $ 5,000 |  | $ 5,000
Municipal Bonds | General Obligation Bonds | Aggregate Fair Value Exceeding 5 Million [Member] |  |  |
Number of states holding investments | state | 6 |  | 6
Municipal Bonds | Revenue Bonds |  |  |
Number of issuers | item | 161 |  | 160
Other investments | $ | $ 375,400 |  | $ 371,900
Number of states holding investments | 19 |  | 19
Municipal Bonds | Revenue Bonds | Minimum |  |  |
Other investments | $ | $ 5,000 |  | $ 5,000
Municipal Bonds | Revenue Bonds | Aggregate Fair Value Exceeding 5 Million [Member] |  |  |
Number of states holding investments | 7 |  | 7

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