Annual Fund Operating Expenses |
Feb. 27, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|
| Credit Suisse Floating Rate High Income Fund | Credit Suisse Floating Rate High Income Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | Feb. 28, 2027 | |||||||||
| Credit Suisse Floating Rate High Income Fund | Credit Suisse Floating Rate High Income Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||||||
| Expenses (as a percentage of Assets) | 1.06% | |||||||||
| Fee Waiver or Reimbursement | (0.11%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.95% | |||||||||
| Credit Suisse Floating Rate High Income Fund | Credit Suisse Floating Rate High Income Fund | Class C | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||||||
| Expenses (as a percentage of Assets) | 1.81% | |||||||||
| Fee Waiver or Reimbursement | (0.11%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.70% | |||||||||
| Credit Suisse Floating Rate High Income Fund | Credit Suisse Floating Rate High Income Fund | Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||||||
| Expenses (as a percentage of Assets) | 0.81% | |||||||||
| Fee Waiver or Reimbursement | (0.11%) | [2] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.70% | |||||||||
| Credit Suisse Strategic Income Fund | Credit Suisse Strategic Income Fund | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | Feb. 28, 2027 | |||||||||
| Credit Suisse Strategic Income Fund | Credit Suisse Strategic Income Fund | Class A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.84% | |||||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [3] | ||||||||
| Expenses (as a percentage of Assets) | 1.30% | |||||||||
| Fee Waiver or Reimbursement | (0.26%) | [4] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.04% | |||||||||
| Credit Suisse Strategic Income Fund | Credit Suisse Strategic Income Fund | Class C | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.84% | |||||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [3] | ||||||||
| Expenses (as a percentage of Assets) | 2.05% | |||||||||
| Fee Waiver or Reimbursement | (0.26%) | [4] | ||||||||
| Net Expenses (as a percentage of Assets) | 1.79% | |||||||||
| Credit Suisse Strategic Income Fund | Credit Suisse Strategic Income Fund | Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.84% | |||||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||||
| Other Expenses (as a percentage of Assets): | 0.21% | [3] | ||||||||
| Expenses (as a percentage of Assets) | 1.05% | |||||||||
| Fee Waiver or Reimbursement | (0.26%) | [4] | ||||||||
| Net Expenses (as a percentage of Assets) | 0.79% | |||||||||
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