S000016632 [Member] Annual Fund Operating Expenses - Western Asset New Jersey Municipals Fund |
Mar. 31, 2026 |
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|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | December 31, 2027 | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.45% | |||||
| Distribution and Service (12b-1) Fees | 0.15% | |||||
| Other Expenses (as a percentage of Assets): | 0.21% | |||||
| Expenses (as a percentage of Assets) | 0.81% | |||||
| Fee Waiver or Reimbursement | [1] | |||||
| Net Expenses (as a percentage of Assets) | 0.81% | |||||
| Class C | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.45% | |||||
| Distribution and Service (12b-1) Fees | 0.70% | |||||
| Other Expenses (as a percentage of Assets): | 0.21% | |||||
| Expenses (as a percentage of Assets) | 1.36% | |||||
| Fee Waiver or Reimbursement | [1] | |||||
| Net Expenses (as a percentage of Assets) | 1.36% | |||||
| Class I | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.45% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.23% | |||||
| Expenses (as a percentage of Assets) | 0.68% | |||||
| Fee Waiver or Reimbursement | (0.13%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.55% | |||||
| Class FI | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.45% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.33% | [2] | ||||
| Expenses (as a percentage of Assets) | 1.03% | |||||
| Fee Waiver or Reimbursement | (0.18%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.85% | |||||
| Class IS | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.45% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.13% | [2] | ||||
| Expenses (as a percentage of Assets) | 0.58% | |||||
| Fee Waiver or Reimbursement | (0.06%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.52% | |||||
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