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SECURITIES (Reconciliation of fair value of Available for Sale securities) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Securities, Available-for-sale, Amortized Cost | $ 1,583,736 | $ 395,453
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 8,808 | 17,869
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (21,396) | (462)
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 1,571,148 | 412,860
US Government Agencies Debt Securities [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 217,393 | 22,476
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 990 | 1,640
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (2,901) | 0
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 215,482 | 24,116
US Treasury Securities [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 873,467 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 172 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (12,191) | 0
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 861,448 | 0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 364,955 | 224,293
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 4,512 | 9,337
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (5,534) | (1)
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 363,933 | 233,629
Agency collateralized mortgage obligations [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 78,966 | 88,687
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,282 | 3,083
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (571) | (87)
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 79,677 | 91,683
US States and Political Subdivisions Debt Securities [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 192 | 790
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 11 | 17
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 203 | 807
Single issuer trust preferred securities issued by banks [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 489 | 489
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 2 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | (1)
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 491 | 488
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 1,199 | 1,429
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (199) | (373)
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | 1,000 | 1,056
Small Business Administration Pooled Securities [Member] |  |
Debt Securities, Available-for-sale, Amortized Cost | 47,075 | 57,289
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,839 | 3,792
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0
Debt Securities, Available-for-sale | $ 48,914 | $ 61,081

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