Funds Borrowed - Summary of Maturity of Broker Pools, Excluding Strategic Partner Reserve Deposits (Detail) $ in Thousands	Jun. 30, 2024 USD ($)
Debt Disclosure [Abstract]
Three months or less	$ 237,363
Over three months through six months	151,130
Over six months through one year	478,718
Over one year	1,142,445
Deposits	2,009,656
Strategic partner collateral deposits	1,750
Total deposits	$ 2,011,406

Collateral deposits.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more, maturing after twelve months from the balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more, maturing within six to twelve months after the balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more, maturing within three months or fewer from the balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more, maturing within three to six months after the balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit.

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