RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500 (Details) - TopBuild Corp. 401(k) Plan - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Reconciliation of net assets available for benefits | ||
| Net assets available for plan benefits per the financial statements | $ 694,792,405 | $ 608,455,398 |
| Less receivables: Employer contributions | 785,178 | 832,562 |
| Plus payables and transfers: Excess contributions payable | 674,454 | 709,422 |
| Net assets available for plan benefits per Form 5500 | 694,681,681 | $ 608,332,258 |
| Reconciliation of certain contributions per the financial statements | ||
| Contributions per the financial statements | 68,537,810 | |
| Plus 2024 employer contributions receivable | 832,562 | |
| Less 2024 excess contributions payable | (709,422) | |
| Net contributions prior period | 123,140 | |
| Less 2025 employer contributions receivable | (785,178) | |
| Plus 2025 excess contributions payable | 674,454 | |
| Net contributions current period | (110,724) | |
| Contributions per Form 5500 | $ 68,550,226 |
| X | ||||||||||
- Definition Amount of decrease in employer's contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in current period to reconcile change in net asset available for benefit from contributions as per financial statement to Form 5500 caption. No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in current period to reconcile change in net asset available for benefit from contributions as per financial statement to Form 5500 caption. No definition available.
|
| X | ||||||||||
- Definition Amount of increase in excess contribution payable to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in current period to reconcile change in net asset available for benefit from contributions as per financial statement to Form 5500 caption. No definition available.
|
| X | ||||||||||
- Definition Amount of decrease from excess contribution payable to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in prior period. No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in prior period. No definition available.
|
| X | ||||||||||
- Definition Amount of increase from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) in prior period. No definition available.
|
| X | ||||||||||
- Definition Amount of contribution not yet received from employer to the plan to reconcile net asset available for benefit per financial statement to Form 5500 caption. No definition available.
|
| X | ||||||||||
- Definition Amount of excess contributions payable to the plan to reconcile net asset available for benefit per financial statement to Form 5500 caption. No definition available.
|
| X | ||||||||||
- Definition Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of net asset available for benefit as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase in net asset available for benefit from total contribution as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|