v3.25.2
Expense Example
Jul. 25, 2025
USD ($)
T. Rowe Price Institutional Floating Rate Fund - Institutional Class [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 58
Expense Example, with Redemption, 3 Years 183
Expense Example, with Redemption, 5 Years 318
Expense Example, with Redemption, 10 Years 714
T. Rowe Price Institutional Floating Rate Fund-F Class [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years 859
T. Rowe Price Institutional Floating Rate Fund-Z Class [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 2
Expense Example, with Redemption, 3 Years 6
Expense Example, with Redemption, 5 Years 11
Expense Example, with Redemption, 10 Years 26
T. Rowe Price Institutional High Yield Fund [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 51
Expense Example, with Redemption, 3 Years 160
Expense Example, with Redemption, 5 Years 280
Expense Example, with Redemption, 10 Years 628
T. Rowe Price Institutional Long Duration Credit Fund [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 46
Expense Example, with Redemption, 3 Years 144
Expense Example, with Redemption, 5 Years 252
Expense Example, with Redemption, 10 Years $ 567