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FAIR VALUE MEASUREMENTS - Narrative (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) transfer	Dec. 31, 2020 USD ($)	Jan. 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of transfers from Level 2 to Level 3 | transfer		1
Transfers to Level 3	$ 0	$ 4,000,000
Fair value write down	$ 71,428,000	139,383,000
Loans Held for Investment | Impact of ASC 326 adoption
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value write down				$ 11,200,000
Trading Security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities in the portfolio (security) | security	1
Continuing Operations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (losses) in fair value of loans held for sale included in earnings			$ (212,000)
Payments for origination of mortgage loans held-for-sale	$ 20,000,000	104,000,000	150,000,000
Proceeds from sale and collection of loans held-for-sale	25,000,000	108,000,000	141,000,000
Continuing Operations | Loans Held For Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (losses) in fair value of loans held for sale included in earnings	$ 169,000	$ 169,000
Discontinued Operations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (losses) in fair value of loans held for sale included in earnings			(3,000,000)
Payments for origination of mortgage loans held-for-sale			624,000,000
Proceeds from sale and collection of loans held-for-sale			$ 755,000,000

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Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers Into Level 3, Number Of Transfers

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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The amount of cash paid for the origination of mortgages that are held for sale.

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The cash inflow from sale proceeds and collection of repayments from borrowers on loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization; includes mortgages and other types of loans.

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