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OFF-BALANCE SHEET COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Capital Contributions, Small Business Investment Corporation
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures	$ 22,900		$ 22,900		$ 21,700
Small Business Investment Corporations
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures	8,600		8,600		6,800
Capital Contributions, Low Income Housing Partnerships
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures	7,400		7,400		3,800
Amortization	178	$ 185	533	$ 558
Capital Contributions, Low Income Housing Partnerships \| Other Commitments, Unfunded Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Accounts payable and other accrued liabilities	3,700		3,700		796
Capital Contributions, Limited Partnerships Corporation
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Investments in and advance to affiliates, subsidiaries, associates, and joint ventures	4,100		4,100		0
Amortization	0	$ 0	0	$ 0
Capital Contributions, Limited Partnerships Corporation \| Other Commitments, Unfunded Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Accounts payable and other accrued liabilities	$ 3,200		$ 3,200		$ 0