Borrowings - Notes payable - subnote (Details) - USD ($) $ in Millions	2 Months Ended	7 Months Ended
	Mar. 13, 2023	Aug. 14, 2023
Fixed Rate With Maturities Due 2028
Debt Instrument [Line Items]
Principal amount	$ 400
Fixed interest rate percentage	7.25%
Notes Payable Maturity Year	2028
Fixed Rate With Maturities Due 2023
Debt Instrument [Line Items]
Principal amount		$ 300
Fixed interest rate percentage		6.125%
Notes Payable Maturity Year		2023
Redemption price percent of principal amount redeemed		100.00%