Mortgage-Backed Securities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Investment related receivable	$ 35,599		$ 35,599		$ 26,604
Additional increases to the allowance for credit losses on securities that had an allowance recorded in a previous period	263	$ 0	302	$ 0
Provision for credit losses		$ 169	0	$ 169
MBS
Debt Securities, Available-for-sale [Line Items]
Investment related receivable	$ 21,900		$ 21,900		$ 22,300