Regulatory Capital and Liquidity Requirements (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Fannie Mae / Freddie Mac - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 7,609,126,000	$ 7,457,748,000
Capital Requirement	1,424,117,000	1,380,100,000
Liquidity	939,389,000	870,243,000
Liquidity requirement	$ 649,270,000	$ 630,698,000
Tangible net worth / Total assets ratio actual	32.00%	29.00%
Tangible net worth / Total assets ratio requirement	6.00%	6.00%
Ginnie Mae - Issuer - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 7,507,021,000	$ 6,952,347,000
Capital Requirement	$ 1,561,002,000	$ 1,526,074,000
Risk-based capital	43.00%	40.00%
Risk-based capital requirement	$ 6	$ 6
Liquidity	1,136,306,000	1,208,755,000
Liquidity requirement	$ 474,056,000	$ 460,200,000
Adjusted net worth / Total assets ratio actual	40.00%	35.00%
Adjusted net worth / Total assets ratio requirement	6.00%	6.00%
HUD - PLS
Regulatory Net Worth and Agency Capital Requirements
Net worth	$ 7,507,021,000	$ 6,952,347,000
Capital Requirement	$ 2,500,000	$ 2,500,000