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Derivatives Volume of Activity (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Not Designated as Hedging Instrument, Economic Hedge | Interest rate swaptions |
Derivatives [Roll Forward] |
Derivative, Notional Amount | $ 500,000
Derivative, Notional Amount, Derivative Instruments Added | 0
Derivative, Notional Amount, Derivative Instruments Maturing, Settled, Terminated, or Paired-Off | (500,000)
Derivative, Notional Amount | 0
Not Designated as Hedging Instrument, Economic Hedge | U.S. Treasury futures | Short position |
Derivatives [Roll Forward] |
Derivative, Notional Amount | 3,890,000
Derivative, Notional Amount, Derivative Instruments Added | 19,945,000
Derivative, Notional Amount, Derivative Instruments Maturing, Settled, Terminated, or Paired-Off | (18,915,000)
Derivative, Notional Amount | 4,920,000
Not Designated as Hedging Instrument, Economic Hedge | Options on U.S. Treasury futures |
Derivatives [Roll Forward] |
Derivative, Notional Amount | 0
Derivative, Notional Amount, Derivative Instruments Added | 1,250,000
Derivative, Notional Amount, Derivative Instruments Maturing, Settled, Terminated, or Paired-Off | (1,000,000)
Derivative, Notional Amount | 250,000
Not Designated as Hedging Instrument, Trading | TBA securities | Long position |
Derivatives [Roll Forward] |
Derivative, Notional Amount | 1,530,000
Derivative, Notional Amount, Derivative Instruments Added | 35,955,000
Derivative, Notional Amount, Derivative Instruments Maturing, Settled, Terminated, or Paired-Off | (34,616,000)
Derivative, Notional Amount | $ 2,869,000

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