Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| T. Rowe Price Institutional Floating Rate Fund - Institutional Class [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 9.14% | 12.46% | (0.60%) | 4.65% | 2.40% | 8.79% | 0.38% | 3.77% | 8.00% | 1.50% |
| T. Rowe Price Institutional High Yield Fund [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.80% | 13.92% | (11.19%) | 5.45% | 4.90% | 14.92% | (3.13%) | 7.68% | 15.89% | (3.87%) |
| T. Rowe Price Institutional Long Duration Credit Fund [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (1.46%) | 9.93% | (26.14%) | (0.23%) | 16.70% | 23.71% | (6.30%) | 11.02% | 7.88% | (2.66%) |