Commitments and Contingencies - Schedule of Guarantees Outstanding (Details) - Loans Sold or Securitized With Recourse - Loans Sold or Securitized with Recourse - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	$ 3
Expire After One Year Through Three Years	15
Expire After Three Years Through Five Years	180
Expire After Five Years	19,539
Total	19,737	$ 20,884
Carrying Value (1)	23,186	24,908
Single Family Residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	3
Expire After One Year Through Three Years	15
Expire After Three Years Through Five Years	25
Expire After Five Years	4,698
Total	4,741	5,888
Carrying Value (1)	4,741	5,888
Multifamily residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	0
Expire After One Year Through Three Years	0
Expire After Three Years Through Five Years	155
Expire After Five Years	14,841
Total	14,996	14,996
Carrying Value (1)	$ 18,445	$ 19,020