Consolidation of Variable Interest Entities - Schedule of Accrual Status of Mortgage Loans of Consolidated VIE (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Variable Interest Entity [Line Items] | ||
| Mortgage loans of consolidated VIE | $ 29,697 | $ 45,000 |
| Variable Interest Entity, Primary Beneficiary | ||
| Variable Interest Entity [Line Items] | ||
| Mortgage loans of consolidated VIE | 7,442 | $ 93,283 |
| Pool of mortgage loans, unpaid principal balance | 7,687 | |
| Difference | (245) | |
| Less than 90 Days Past Due | Accrual Status | Variable Interest Entity, Primary Beneficiary | ||
| Variable Interest Entity [Line Items] | ||
| Mortgage loans of consolidated VIE | 1,762 | |
| Pool of mortgage loans, unpaid principal balance | 1,778 | |
| Difference | (16) | |
| 90 Days or More Past Due | Non-accrual Status | Variable Interest Entity, Primary Beneficiary | ||
| Variable Interest Entity [Line Items] | ||
| Mortgage loans of consolidated VIE | 5,680 | |
| Pool of mortgage loans, unpaid principal balance | 5,909 | |
| Difference | $ (229) |