Debt Fund (Details)	3 Months Ended
	Mar. 31, 2026 USD ($)
Schedule of Ownership Interests [Line Items]
Committed capital	$ 1,300,000,000
Debt fund investments, contributed amount	303,600,000
Company's share of committed capital	118,600,000
Company's share of contributed amount	$ 26,600,000
Initial closing term	7 years
Real estate fund investments, number of one year periods	3 years
Initial extended term	1 year
Final closing term	3 years 6 months
Final extended term	1 year
Commercial mortgage-backed securities - available-for-sale | The Debt Investment Fund
Schedule of Ownership Interests [Line Items]
Investments acquired	$ 139,800,000
Investment company, debt fund investments, loan repaid	0