Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financial assets:
Trading securities	$ 524,916	$ 515,991
Available for sale securities	1,396,549	1,507,595
Equity securities	$ 297	$ 321
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
MSR asset	$ 5,723	$ 96,662
Financial liabilities:
Securities sold, not yet purchased	$ 57,234	$ 34,872
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities
Recurring
Financial assets:
Trading securities	$ 524,916	$ 515,991
Available for sale securities	1,396,549	1,507,595
Equity securities	297	321
Loans held for sale	809,782	822,194
Loans held for investment		10,858
Derivative assets	67,821	77,598
MSR asset	5,723	96,662
Equity investments	22,015	19,540
Financial liabilities:
Securities sold, not yet purchased	57,234	34,872
Derivative liabilities	11,290	27,106
Recurring | Level 1
Financial assets:
Trading securities	11,001	8,929
Equity securities	297	321
Financial liabilities:
Securities sold, not yet purchased	52,637	14,027
Recurring | Level 2
Financial assets:
Trading securities	510,585	507,062
Available for sale securities	1,366,733	1,483,177
Loans held for sale	761,125	784,158
Derivative assets	67,821	76,778
Financial liabilities:
Securities sold, not yet purchased	4,597	20,845
Derivative liabilities	11,290	27,106
Recurring | Level 3
Financial assets:
Trading securities	3,330
Available for sale securities	29,816	24,418
Loans held for sale	48,657	38,036
Loans held for investment		10,858
Derivative assets		820
MSR asset	5,723	96,662
Equity investments	$ 22,015	$ 19,540