Derivatives - Schedule of Long Positions in TBA (Details) - TBA securities - Not Designated as Hedging Instrument, Trading - Long position - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Implied market value, TBA		$ 3,178,541	$ 1,531,188	[1]
Implied cost basis, TBA		3,164,322	1,526,421	[2]
Derivative, Fair Value, Net	[3]	$ 14,219	$ 4,767

[1] Implied market value represents the estimated fair value of the underlying Agency MBS as of the dates indicated

[2] Implied cost basis represents the forward price to be paid for the underlying Agency MBS as of the dates indicated.

[3] Net carrying value is the amount included on the consolidated balance sheets within “derivative assets” and “derivative liabilities” and represents the difference between the implied market value and the implied cost basis of the TBA securities as of the dates indicated.