COLLATERALIZED ARRANGEMENTS AND FINANCING - Assets pledged as collateral against crypto borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Crypto Asset, Holding [Line Items]
Assets	$ 23,476,038	$ 22,541,951
USDC \| Assets pledged as collateral
Crypto Asset, Holding [Line Items]
Assets	0	4,009
USDC \| Assets pledged as collateral not meeting derecognition criteria
Crypto Asset, Holding [Line Items]
Assets	$ 294,761	$ 329,832

Amount of asset recognized for present right to economic benefit.

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+ Details