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Subsequent Events - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended
	Apr. 03, 2024	Apr. 01, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023
Subsequent Event [Line Items]
Cash payments received			$ 1,500
Cash payments					$ 29,800
Proceeds from Issuance of Private Placement			100,000
Litigation settlement amount accrued				$ 6,000
Cash proceeds from sale of wholesale mortgage			63,401		51,748
Loss on sale of LSMG			$ 130		$ 364
Subsequent Event [Member]
Subsequent Event [Line Items]
Cash payments received		$ 1,500
Proceeds from Issuance of Private Placement	$ 150,000
Subsequent Event, Date		Mar. 31, 2024

X

- Definition

Cash payments received

+ References

No definition available.

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X

- Definition

Litigation settlement amount accrued

+ References

No definition available.

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X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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X

- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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X

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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X

- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

+ References

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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- Definition

Date the event occurred after the balance sheet date but before financial statements are issues or available to be issued, in YYYY-MM-DD format.

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