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v3.23.2

Derivative Instruments (Derivative Call Options and Interest Rate Swaps by Counterparty) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative [Line Items] |  |  |
Derivative instruments | $ 1,131,597 | $ 431,727 | [1]
Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 39,783,069 | 39,335,903 |
Derivative instruments | 1,131,597 | 430,558 |
Bank of America | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,124,812 | 3,574,125 |
Derivative instruments | 81,590 | 26,080 |
Barclays | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,567,616 | 3,686,896 |
Derivative instruments | 82,180 | 39,657 |
Canadian Imperial Bank of Commerce | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,602,801 | 2,707,734 |
Derivative instruments | 58,359 | 34,218 |
Citibank, N.A. | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,171,072 | 3,748,162 |
Derivative instruments | 102,691 | 29,873 |
Credit Suisse | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,955,159 | 2,086,470 |
Derivative instruments | 49,252 | 20,691 |
J.P. Morgan | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 5,404,600 | 6,501,103 |
Derivative instruments | 120,638 | 69,006 |
Mizuho | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,030,827 | 0 |
Derivative instruments | 145,197 | 0 |
Morgan Stanley | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 1,967,830 | 2,957,389 |
Derivative instruments | 45,622 | 38,470 |
Royal Bank of Canada | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,479,656 | 4,378,132 |
Derivative instruments | 146,476 | 58,026 |
Societe Generale | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,806,536 | 2,099,081 |
Derivative instruments | 69,333 | 17,157 |
Truist | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 2,004,578 | 1,960,787 |
Derivative instruments | 65,032 | 32,885 |
UBS AG | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 300,708 | 0 |
Derivative instruments | 8,676 | 0 |
Wells Fargo | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 4,283,753 | 5,436,824 |
Derivative instruments | 154,506 | 61,840 |
Exchange traded | Call Options and Interest Rate Swaps |  |  |
Derivative [Line Items] |  |  |
Notional amount | 83,121 | 199,200 |
Derivative instruments | $ 2,045 | $ 2,655 |
[1] | Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.

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