Goodwill and Intangibles - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Apr. 19, 2013
Goodwill [Line Items]
Goodwill	$ 259,846	$ 259,846
Domestic servicing rights, at fair value | Before consolidation of securitization VIEs
Goodwill [Line Items]
Servicing rights intangibles	57,200	56,800
VIE eliminations | Domestic servicing rights, at fair value
Goodwill [Line Items]
Servicing rights intangibles	37,900	39,100
Infrastructure Lending Segment
Goodwill [Line Items]
Goodwill	$ 119,400	119,400
Useful life	15 years
Investing and Servicing Segment
Goodwill [Line Items]
Goodwill	$ 140,400	$ 140,400
Useful life	15 years
Tax deductible component			$ 149,900