Regulatory Capital and Liquidity Requirements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fannie Mae / Freddie Mac - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 6,975,317	$ 6,890,144
Capital Requirement	1,245,241	1,211,365
Liquidity	1,147,108	1,243,927
Liquidity requirement	$ 564,427	$ 543,913
Tangible net worth / Total assets ratio actual	35.00%	37.00%
Tangible net worth / Total assets ratio requirement	6.00%	6.00%
Ginnie Mae - Issuer - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 6,587,372	$ 6,559,001
Capital Requirement	1,375,796	1,314,677
Liquidity	1,394,563	1,684,457
Liquidity requirement	$ 406,799	$ 389,501
Adjusted net worth / Total assets ratio actual	43.00%	48.00%
Adjusted net worth / Total assets ratio requirement	6.00%	6.00%
HUD - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 6,587,372	$ 6,559,001
Capital Requirement	$ 2,500	$ 2,500