Fair Value Measurements - Change in FV (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Fair Value Option
Net Gains (Losses)	$ 40,432	$ 51,730	$ 139,987	$ 148,956
Other Noninterest Income	19,096	13,812	43,859	87,844
Transfers between Level 1 and Level 2	0	0	0	0
Available for sale securities
Fair Value Option
Net Gains (Losses)		(392)		(392)
Other Noninterest Income	(3,991)		(4,072)
Total Changes in Fair Value	(3,991)	(392)	(4,072)	(392)
Loans held for sale
Fair Value Option
Net Gains (Losses)	(19,463)	(2,511)	(19,945)	10,228
Total Changes in Fair Value	(19,463)	(2,511)	(19,945)	10,228
MSR asset
Fair Value Option
Net Gains (Losses)	2,887	(701)	2,424	(1,651)
Total Changes in Fair Value	2,887	(701)	2,424	(1,651)
Equity investments
Fair Value Option
Other Noninterest Income	10,414	1,437	11,117	4,409
Total Changes in Fair Value	$ 10,414	$ 1,437	$ 11,117	$ 4,409

Represents the amount of fair value assets and liabilities transferred between Level 1 and Level 2.

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- References

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

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- Definition

The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.

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