Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares	Dec. 28, 2021 USD ($) restaurant $ / shares	Dec. 29, 2020 USD ($) restaurant $ / shares	Dec. 31, 2019 USD ($) $ / shares
Fiscal Year
Length of fiscal year		364 days	364 days	371 days
Revenue | $		$ 3,463,946	$ 2,398,123	$ 2,756,163
Earnings Per Share, Diluted | $ / shares		$ 3.50	$ 0.45	$ 2.46
Cash and Cash Equivalents
Cash and cash equivalents included receivables from credit card entity | $		$ 26,400	$ 18,100
Settlement period of credit card receivables, minimum		2 days
Settlement period of credit card receivables, maximum		3 days
Receivables
Minimum number of days receivable are past due, warranting individual evaluation for collectability		120 days
Franchise
Principles of Consolidation
Number of restaurants | restaurant		101	97
Minimum
Fiscal Year
Length of fiscal year		364 days
Length of fiscal quarter		91 days
Maximum
Fiscal Year
Length of fiscal year		371 days
Length of fiscal quarter		98 days
Unconsolidated | Franchise
Principles of Consolidation
Number of restaurants | restaurant		24	24
Unconsolidated | Non-Texas Roadhouse restaurants
Principles of Consolidation
Ownership percentage by entity		40.00%	40.00%
Number of restaurants | restaurant		4	4
Unconsolidated | Minimum | Franchise
Principles of Consolidation
Ownership percentage by entity		5.00%	5.00%
Unconsolidated | Maximum | Franchise
Principles of Consolidation
Ownership percentage by entity		10.00%	10.00%
Restaurant and other sales
Fiscal Year
Revenue | $	$ 59,000	$ 3,439,176	$ 2,380,177	$ 2,734,177
Restaurant and other sales | Minimum
Fiscal Year
Earnings Per Share, Diluted | $ / shares	$ 0.10
Restaurant and other sales | Maximum
Fiscal Year
Earnings Per Share, Diluted | $ / shares	$ 0.11