LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Provision for Credit Losses	$ 1,879,000	$ 1,993,000	$ 3,890,000	$ 7,175,000
Net loan charge-offs	1,262,000	$ 1,153,000	3,995,000	3,160,000
Change in financing receivable allowance			(100,000)	4,000,000.0
Accrued interest receivable	10,600,000		10,600,000		$ 10,100,000
Real estate loans for which formal foreclosure proceedings were in process	700,000		700,000		500,000
Loan modified with a recorded investment			0		0
Net deferred costs	$ 7,900,000		7,900,000		$ 7,800,000
CCHL [Member]
Payments to Purchase Mortgage Loans Held-for-sale			$ 111,100,000	$ 293,100,000