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INVESTMENT SECURITIES AVAILABLE FOR SALE (Schedule of Securities with Continuous Unrealized Losses) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Approximate Fair Value |  |
Less Than 12 Months | $ 70,958 | $ 154,568
12 Months or Longer | 180,843 | 99,807
Total | 251,801 | 254,375
Unrealized Losses |  |
Less Than 12 Months | (407) | (1,414)
12 Months or Longer | (4,206) | (2,265)
Total | (4,613) | (3,679)
12 Months or Longer | 180,843 | 99,807
Total | 251,801 | 254,375
U.S. Government Sponsored Entities [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months | 18,840 | 32,166
12 Months or Longer | 33,600 | 11,535
Total | 52,440 | 43,701
Unrealized Losses |  |
12 Months or Longer | 33,600 | 11,535
Total | 52,440 | 43,701
Mortgage-Backed Securities-Residential [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months | 51,697 | 116,774
12 Months or Longer | 136,130 | 71,646
Total | 187,827 | 188,420
Unrealized Losses |  |
Less Than 12 Months | (303) | (1,000)
12 Months or Longer | (3,136) | (1,380)
Total | (3,439) | (2,380)
12 Months or Longer | 136,130 | 71,646
Total | 187,827 | 188,420
SBA Pool Securities [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months |  |
12 Months or Longer | 3,839 | 5,205
Total | 3,839 | 5,205
Unrealized Losses |  |
Less Than 12 Months |  |
12 Months or Longer | (44) | (57)
Total | (44) | (57)
12 Months or Longer | 3,839 | 5,205
Total | 3,839 | 5,205
State and Political Subdivisions [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months | 421 | 5,628
12 Months or Longer | 7,274 | 3,760
Total | 7,695 | 9,388
Unrealized Losses |  |
Less Than 12 Months | (1) | (97)
12 Months or Longer | (145) | (32)
Total | (146) | (129)
12 Months or Longer | 7,274 | 3,760
Total | 7,695 | 9,388
Single-Issuer Trust Preferred Security [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months |  |
12 Months or Longer |  | 2,837
Total |  | 2,837
Unrealized Losses |  |
12 Months or Longer |  | 2,837
Total |  | 2,837
CRA Investment Fund [Member] |  |
Approximate Fair Value |  |
Less Than 12 Months |  |
12 Months or Longer |  | 4,824
Total |  | 4,824
Unrealized Losses |  |
Less Than 12 Months |  |
12 Months or Longer |  | (176)
Total |  | (176)
12 Months or Longer |  | 4,824
Total |  | 4,824
U.S. Government-Sponsored Entities [Member] |  |
Unrealized Losses |  |
Less Than 12 Months | (103) | (317)
12 Months or Longer | (881) | (458)
Total | $ (984) | (775)
Single Issuer Trust Preferred Security |  |
Unrealized Losses |  |
Less Than 12 Months |  |
12 Months or Longer |  | (162)
Total |  | $ (162)

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