Fair Value Measurements - Change in FV (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value Option
Net Gains (Losses)	$ 190,021	$ 172,150	$ 302,384
Other Noninterest Income	189,262	177,425	137,898
Transfers of assets from level 1 to level 2	0	0
Transfers of assets from level 2 to level 1	0	0
Transfers of liabilities from level 1 to level 2	0	0
Transfers of liabilities from level 2 to level 1	0	0
Loans held for sale
Fair Value Option
Net Gains (Losses)	(15,023)	14,426	(48,916)
Total Changes in Fair Value	(15,023)	14,426	(48,916)
Loans held for investment
Fair Value Option
Net Gains (Losses)	94	565	(660)
Total Changes in Fair Value	94	565	(660)
MSR asset
Fair Value Option
Net Gains (Losses)	(15,083)	(12,467)	21,969
Total Changes in Fair Value	$ (15,083)	$ (12,467)	$ 21,969

Represents the amount of fair value Level 1 assets transferred to Level 2.

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Represents the amount of fair value Level 2 assets transferred to Level 1.

+ References

No definition available.

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Represents the amount of fair value Level 1 liabilities transferred to Level 2.

+ References

No definition available.

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Represents the amount of fair value Level 2 liabilities transferred to Level 1.

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-30

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(h))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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