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FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) security	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of trading securities in the portfolio | security			1
Retained earnings write-down	$ 93,820		$ 93,820		$ 139,383
Continuing Operations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payments for origination of mortgage loans held-for-sale	6,000	$ 24,000	16,100	$ 84,400
Proceeds from sale and collection of loans held-for-sale	6,500	22,500	21,600	90,800
Continuing Operations | Loans Held for Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Losses (gains) in fair value of loans held for sale included in earnings	$ 12	$ (17)	$ 173	$ 217
Impact of ASC 326 Adoption | Accounting Standards Update 2016-13 | Loans Held for Investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Retained earnings write-down						$ 11,200

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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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