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SALE OF COMMERCIAL REAL ESTATE BUSINESS - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Mar. 25, 2021 | Mar. 31, 2021 | Mar. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Business divestiture-related gains (losses) |  | $ (249,563) | $ 0
CRE Business | Discontinued Operations, Disposed of by Sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Sale of business | $ 2,330,000 |  |
Goodwill, Impairment Loss | 71,800 |  |
Business divestiture-related gains (losses) |  | (249,600) |
Reversal of loan loss provision |  | 135,000 |
Unfunded commitments | $ 5,100 |  |
Pretax loss |  | $ (72,700) | $ (95,400)

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