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v3.23.3

Derivative Instruments (Derivative Call Options and Interest Rate Swaps by Counterparty) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative [Line Items] |  |  |
Derivative instruments | $ 733,784 | $ 431,727 | [1]
Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 40,993,916 | 39,335,903 |
Derivative instruments | 733,784 | 430,558 |
Bank of America | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,458,432 | 3,574,125 |
Derivative instruments | 37,833 | 26,080 |
Barclays | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,360,864 | 3,686,896 |
Derivative instruments | 65,937 | 39,657 |
Canadian Imperial Bank of Commerce | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,266,781 | 2,707,734 |
Derivative instruments | 37,238 | 34,218 |
Citibank, N.A. | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 3,582,088 | 3,748,162 |
Derivative instruments | 36,800 | 29,873 |
Credit Suisse | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,961,115 | 2,086,470 |
Derivative instruments | 17,525 | 20,691 |
Goldman Sachs | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 105,238 | 0 |
Derivative instruments | 327 | 0 |
J.P. Morgan | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,593,302 | 6,501,103 |
Derivative instruments | 37,157 | 69,006 |
Mizuho | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 7,685,054 | 0 |
Derivative instruments | 172,280 | 0 |
Morgan Stanley | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,708,060 | 2,957,389 |
Derivative instruments | 14,328 | 38,470 |
Royal Bank of Canada | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,380,240 | 4,378,132 |
Derivative instruments | 118,325 | 58,026 |
Societe Generale | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,870,061 | 2,099,081 |
Derivative instruments | 39,335 | 17,157 |
Truist | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,003,795 | 1,960,787 |
Derivative instruments | 52,208 | 32,885 |
UBS AG | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 443,410 | 0 |
Derivative instruments | 5,199 | 0 |
Wells Fargo | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 3,545,311 | 5,436,824 |
Derivative instruments | 98,655 | 61,840 |
Exchange traded | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 30,165 | 199,200 |
Derivative instruments | $ 637 | $ 2,655 |
[1] | Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.

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