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COMMITMENTS AND CONTINGENCIES (Details)	3 Months Ended		9 Months Ended
COMMITMENTS AND CONTINGENCIES (Details)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) loan	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Guarantor Obligations [Line Items]
Credit loss, provision expense (reversal)	$ 6,566,000	$ 18,422,000	$ 36,537,000	$ 53,374,000
Unfunded lending commitments	183,230,000	197,490,000	183,230,000	197,490,000	$ 186,304,000	$ 195,281,000	$ 198,253,000	$ 186,126,000
Unfunded Lending Commitment
Guarantor Obligations [Line Items]
Credit loss, provision expense (reversal)	700,000	$ 1,300,000	400,000	$ 700,000
Gross loans	3,000,000,000.0		3,000,000,000.0			2,800,000,000
Unfunded lending commitments	$ 12,900,000		12,900,000			$ 12,500,000
Secondary Market Loan Sales
Guarantor Obligations [Line Items]
Credit loss, provision expense (reversal)			$ 0
Number of loans repurchased \| loan			3	3
Loans repurchase amount			$ 800,000	$ 700,000