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MARKETABLE SECURITIES - Securities in Continuous Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Gross Unrealized Losses |  |
Less Than 12 Months | $ (2,414) | $ (95)
12 Months or Longer | (396) | (1)
Total | (2,810) | (96)
Estimated Fair Value |  |
Less Than 12 Months | 205,928 | 28,268
12 Months or Longer | 11,317 | 106
Total | 217,245 | 28,374
Gross Unrealized Losses |  |
Less Than 12 Months | (74) |
12 Months or Longer | 81 |
Total | 155 |
Estimated Fair Value |  |
Less Than 12 Months | 10,688 |
12 Months or Longer | 2,996 |
Total | 13,684 |
U.S. government agencies |  |
Gross Unrealized Losses |  |
Less Than 12 Months | (42) |
12 Months or Longer | 0 |
Total | (42) |
Estimated Fair Value |  |
Less Than 12 Months | 9,971 |
12 Months or Longer | 0 |
Total | 9,971 |
Corporate bonds |  |
Gross Unrealized Losses |  |
Less Than 12 Months | (85) | (8)
12 Months or Longer | 0 | 0
Total | (85) | (8)
Estimated Fair Value |  |
Less Than 12 Months | 11,418 | 2,493
12 Months or Longer | 0 | 0
Total | 11,418 | 2,493
Mortgage-backed securities |  |
Gross Unrealized Losses |  |
Less Than 12 Months | (1,383) | (87)
12 Months or Longer | (396) | 0
Total | (1,779) | (87)
Estimated Fair Value |  |
Less Than 12 Months | 144,367 | 25,775
12 Months or Longer | 11,317 | 0
Total | 155,684 | 25,775
Gross Unrealized Losses |  |
Less Than 12 Months | (37) |
12 Months or Longer | 0 |
Total | 37 |
Estimated Fair Value |  |
Less Than 12 Months | 2,916 |
12 Months or Longer | 0 |
Total | 2,916 |
Collateralized mortgage obligations |  |
Gross Unrealized Losses |  |
Less Than 12 Months | (904) | 0
12 Months or Longer | 0 | (1)
Total | (904) | (1)
Estimated Fair Value |  |
Less Than 12 Months | 40,172 | 0
12 Months or Longer | 0 | 106
Total | 40,172 | $ 106
Municipal securities |  |
Gross Unrealized Losses |  |
Less Than 12 Months | (37) |
12 Months or Longer | 81 |
Total | 118 |
Estimated Fair Value |  |
Less Than 12 Months | 7,772 |
12 Months or Longer | 2,996 |
Total | $ 10,768 |

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