TopBuild Corp. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Key Terms of Credit Agreement (Details)

Long-Term Debt - Key Terms of Credit Agreement (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	May 05, 2017	Jun. 30, 2017	Jun. 30, 2017	May 04, 2017	Dec. 31, 2016
Long-Term Debt
Loss on extinguishment of debt		$ 1,086	$ 1,086
Amount outstanding		250,000	250,000
New Credit Agreement
Long-Term Debt
Additional term loan and/or revolver capacity available under incremental facility		200,000	200,000
New Credit Agreement \| Minimum
Long-Term Debt
Commitment fee (as a percent)	0.15%
New Credit Agreement \| Maximum
Long-Term Debt
Commitment fee (as a percent)	0.275%
New Credit Agreement \| Term Loan Facility
Long-Term Debt
Availability		250,000	250,000
Additional term loan capacity under delayed draw feature		100,000	100,000
Line of Credit Facility Maximum Borrowing Capacity Including Delayed Draw	$ 350,000
Amount outstanding	$ 250,000
New Credit Agreement \| Revolving Facility
Long-Term Debt
Availability		250,000	250,000
Sublimit for issuance of letters of credit under Revolving Facility*		100,000	100,000
Sublimit for swingline loans under Revolving Facility*		$ 20,000	$ 20,000
Interest rate		2.596%	2.596%
New Credit Agreement \| Base Rate Borrowings \| Minimum
Long-Term Debt
Applicable margin based on total leverage ratio	0.00%
New Credit Agreement \| Base Rate Borrowings \| Maximum
Long-Term Debt
Applicable margin based on total leverage ratio	1.50%
New Credit Agreement \| LIBOR Rate Borrowings \| Minimum
Long-Term Debt
Applicable margin based on total leverage ratio	1.00%
New Credit Agreement \| LIBOR Rate Borrowings \| Maximum
Long-Term Debt
Applicable margin based on total leverage ratio	2.50%
Original Credit Agreement
Long-Term Debt
Additional term loan and/or revolver capacity available under incremental facility				$ 100,000
Original Credit Agreement \| Term Loan Facility
Long-Term Debt
Availability				200,000
Original Credit Agreement \| Revolving Facility
Long-Term Debt
Availability				125,000	$ 125,000
Sublimit for issuance of letters of credit under Revolving Facility*				100,000
Sublimit for swingline loans under Revolving Facility*				$ 15,000
Federal Funds Rate \| New Credit Agreement \| Base Rate Borrowings
Long-Term Debt
Basis spread	0.50%
LIBOR \| New Credit Agreement \| Base Rate Borrowings
Long-Term Debt
Basis spread	1.00%
Maturity of the reference rate	1 month