Other Assets - Other (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Carrying value:
Margin deposits	$ 264,992	$ 288,153
Capitalized software, net	112,291	120,802
Servicing fees receivable, net	45,357	38,676
Other servicing receivables	47,842	54,058
Prepaid expenses	39,784	45,762
Interest receivable	41,355	41,286
Operating lease right-of-use assets	$ 30,745	$ 36,572
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Real estate acquired in settlement of loans	$ 31,223	$ 14,976
Deposits securing Assets sold under agreements to repurchase and Notes payable secured by mortgage servicing assets	13,124	16,697
Furniture, fixtures, equipment and building improvements, net	10,758	12,916
Other	77,206	100,183
Other assets	714,677	770,081
Asset Pledged as Collateral without Right
Carrying value:
Other assets	13,124	16,697
Asset Pledged as Collateral without Right | Deposits.
Carrying value:
Other assets	$ 13,124	$ 16,697