Other Debt - Summary of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Interest expense — portfolio related	$ 42,029	$ 23,556
Interest expense — corporate debt	4,139	17,140
Total interest expense	46,168	40,696
Warehouse and Repurchase Facilities
Debt Instrument [Line Items]
Interest expense — portfolio related	4,833	3,765
Securitizations
Debt Instrument [Line Items]
Interest expense — portfolio related	$ 37,196	$ 19,791

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Aggregate amount of interest expense on all borrowings.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The aggregate interest expense incurred on the following for deposits in domestic offices: (1) transaction accounts (NOW, and telephone and preauthorized transfer accounts), (2) money market deposits and (3) savings deposits.

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