Fair Value Measurements - Summary of Differences Between Fair Value and Principal Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Aggregate Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans held for sale measured at fair value	$ 110,105	$ 453,533
Aggregate Unpaid Principal Balance
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans held for sale measured at fair value	108,143	441,717
Difference
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans held for sale measured at fair value	$ 1,962	$ 11,816