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INVESTMENT SECURITIES (Schedule of Available for Sale Securities in Continuous Unrealized Loss Position and Approximate Fair Value of Investments) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Available for Sale Securities, Fair Value |  |
Less Than 12 Months | $ 96,955 | $ 530,647
12 Months or Longer | 388,355 | 73,051
Total | 485,310 | 603,698
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months | (5,339) | (14,478)
12 Months or Longer | (101,086) | (2,383)
Total | (106,425) | (16,861)
Held to Maturity Securities, Fair Value |  |
Less Than 12 Months | 28,809 | 73,282
12 Months or Longer | 58,378 | 0
Total | 87,187 | 73,282
Held to Maturity Securities, Unrealized Losses |  |
Less Than 12 Months | (5,411) | (294)
12 Months or Longer | (9,693) | 0
Total | (15,104) | (294)
Fair Value |  |
Fair Value, Less than 12 months | 125,764 | 603,929
Fair Value, 12 months or longer | 446,733 | 73,051
Fair Value | 572,497 | 676,980
Unrealized Losses |  |
Unrealized Losses, Less than 12 months | (10,750) | (14,772)
Unrealized Losses, 12 months or longer | (110,779) | (2,383)
Unrealized Losses | (121,529) | (17,155)
U.S. Government-Sponsored Agencies [Member] |  |
Available for Sale Securities, Fair Value |  |
Less Than 12 Months |  | 243,187
12 Months or Longer | 190,542 | 29,034
Total | 190,542 | 272,221
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months |  | (6,858)
12 Months or Longer | (54,232) | (966)
Total | (54,232) | (7,824)
Held to Maturity Securities, Fair Value |  |
Less Than 12 Months | 13,174 | 24,975
12 Months or Longer | 22,263 | 0
Total | 35,437 | 24,975
Held to Maturity Securities, Unrealized Losses |  |
Less Than 12 Months | (1,826) | (25)
12 Months or Longer | (2,737) | 0
Total | (4,563) | (25)
Mortgage-Backed Securities-Residential [Member] |  |
Available for Sale Securities, Fair Value |  |
Less Than 12 Months | 82,907 | 265,403
12 Months or Longer | 174,557 | 33,455
Total | 257,464 | 298,858
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months | (4,082) | (7,053)
12 Months or Longer | (42,678) | (884)
Total | (46,760) | (7,937)
Held to Maturity Securities, Fair Value |  |
Less Than 12 Months | 15,635 | 48,307
12 Months or Longer | 36,115 | 0
Total | 51,750 | 48,307
Held to Maturity Securities, Unrealized Losses |  |
Less Than 12 Months | (3,585) | (269)
12 Months or Longer | (6,956) | 0
Total | (10,541) | (269)
SBA Pool Securities [Member] |  |
Available for Sale Securities, Fair Value |  |
Less Than 12 Months | 3,377 | 22,057
12 Months or Longer | 23,256 | 10,562
Total | 26,633 | 32,619
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months | (332) | (567)
12 Months or Longer | (4,176) | (533)
Total | (4,508) | $ (1,100)
State and Political Subdivisions [Member] |  |
Available for Sale Securities, Fair Value |  |
Less Than 12 Months | 1,579 |
Total | 1,579 |
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months | (17) |
Total | (17) |
Corporate Bond [Member] |  |
Available for Sale Securities, Fair Value |  |
Less Than 12 Months | 9,092 |
Total | 9,092 |
Available for Sale Securities, Unrealized Losses |  |
Less Than 12 Months | (908) |
Total | $ (908) |

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