Fair Value Measurements - Summary of difference between aggregate fair value and aggregate unpaid principal balance (Details) - Residential mortgage-backed securities - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
Fair Value | $ 6,734 | $ 47,218 |
Aggregate Unpaid Principal Balance | 6,775 | 46,623 |
Difference | $ (41) | $ 595 |