Other Assets - Other (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Carrying value:
Capitalized software, net	$ 132,974	$ 148,736
Margin deposits	101,872	135,645
Interest receivable	44,869	35,196
Operating lease right-of-use assets	$ 41,970	$ 49,926
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Servicing fee receivables, net	$ 37,433	$ 37,271
Other servicing receivables	40,204	30,530
Prepaid expenses	32,328	36,044
Real estate acquired in settlement of loans	20,434	14,982
Furniture, fixtures, equipment and building improvements, net	16,354	19,016
Deposits securing Assets sold under agreements to repurchase and Notes payable secured by mortgage servicing assets	19,834	15,653
Other	78,301	59,461
Other assets	566,573	582,460
Asset Pledged as Collateral without Right
Carrying value:
Other assets	19,834	15,653
Asset Pledged as Collateral without Right | Deposits.
Carrying value:
Other assets	$ 19,834	$ 15,653