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Other Assets - TBA Securities (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($)
Derivative [Line Items] |
Notional Amount | $ 900,000,000
TBA Securities | Short |
Derivative [Line Items] |
Aggregate value | (1,300,000)
Gain on derivative | 2,000,000
FNCL 2.5 1/22 | Short |
Derivative [Line Items] |
Notional Amount | 180,000,000
FNCL 2 1/21 | Short |
Derivative [Line Items] |
Notional Amount | $ 130,000,000

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