| Submission | Feb. 28, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0001869198 |
| Registrant Name | Life Time Group Holdings, Inc. |
| Registration File Number | 333-281465 |
| Form Type | S-3 |
| Submission Type | 424B7 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Feb. 28, 2025 USD ($) |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.01 per share |
| Amount Registered | 23,000,000 |
| Proposed Maximum Offering Price per Unit | 30.4 |
| Maximum Aggregate Offering Price | $ 699,200,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 107,047.52 |
| Offering Note | (1) Pursuant to Rule 416 under the Securities Act of 1933, as amended (the “Securities Act”), the registrant’s registration statement on Form S-3 No. 333-281465) (2) Calculated in accordance with Rule 457(r) under the Securities Act. Payment of the registration fee at the time of filing of the registrant’s Registration Statement on Form S-3 No. 333-281465) |
| Fees Summary | Feb. 28, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 699,200,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 107,047.52 |
| Total Offset Amount | 0 |
| Net Fee | $ 107,047.52 |
