Available-for-Sale Securities, at Fair Value Nonconsolidated Variable Interest Entities (Details) - USD ($) $ in Thousands |
Jun. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Variable Interest Entity [Line Items] | ||
| Available-for-sale securities, at fair value | $ 7,840,046 | $ 14,650,922 |
| Variable Interest Entity, Not Primary Beneficiary | ||
| Variable Interest Entity [Line Items] | ||
| Available-for-sale securities, at fair value | 5,600 | 13,000 |
| Maximum exposure to loss of nonconsolidated Variable Interest Entities | $ 5,600 | $ 0 |
| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|