Contingencies (Details) $ in Millions	1 Months Ended
	Jul. 31, 2021 USD ($) investment	May 31, 2021 claim	Mar. 31, 2023 USD ($) claim
Loss Contingencies [Line Items]
Number of existing legal claims or proceedings that are likely to have a material effect on the Company's business | claim			0
Maximum [Member]
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss | $			$ 15
Education [Member]
Loss Contingencies [Line Items]
Claims received | investment	1,449
Loss Contingency Borrower Defense Claims Discharge Loan Amount | $	$ 35
Education [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Potential claims Per ED | claim		800