PSF PGIM Ballast Portfolio Expense Example, No Redemption - PSF PGIM Ballast Portfolio	Jun. 11, 2025 USD ($)
Class I
Prospectus [Line Items]
Expense Example, No Redemption, 1 Year	$ 72
Expense Example, No Redemption, 3 Years	235
Class III
Prospectus [Line Items]
Expense Example, No Redemption, 1 Year	97
Expense Example, No Redemption, 3 Years	$ 313