Components of Acquired Intangibles Assets Added During the Years (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	13 years 4 months 24 days
Tapingo and LevelUp and Certain Restaurant and Diner Network Assets
Finite Lived Intangible Assets [Line Items]
Acquired other intangible assets	$ 4,262	$ 76,058
Restaurant relationships | Tapingo and LevelUp and Certain Restaurant and Diner Network Assets
Finite Lived Intangible Assets [Line Items]
Acquired other intangible assets	$ 3,510	$ 36,697
Weighted-Average Amortization Period	19 years 6 months	17 years 6 months
Developed technology | Tapingo and LevelUp and Certain Restaurant and Diner Network Assets
Finite Lived Intangible Assets [Line Items]
Acquired other intangible assets		$ 29,862
Weighted-Average Amortization Period		4 years 8 months 12 days
Diner acquisition | Tapingo and LevelUp and Certain Restaurant and Diner Network Assets
Finite Lived Intangible Assets [Line Items]
Acquired other intangible assets	$ 752	$ 7,294
Weighted-Average Amortization Period	5 years	5 years
Below-market lease intangible | Tapingo and LevelUp and Certain Restaurant and Diner Network Assets
Finite Lived Intangible Assets [Line Items]
Acquired other intangible assets		$ 2,205
Weighted-Average Amortization Period		5 years 9 months 18 days