Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Jul. 03, 2019	Dec. 29, 2018
Excess of the purchase price paid over the estimated fair values of the assets and liabilities assumed	$ 112,529,000	$ 112,529,000		$ 3,683,000
Customer Relationships
Useful life of finite lived intangibles	15 years
Dogfish Head Brewery
Excess of the purchase price paid over the estimated fair values of the assets and liabilities assumed		108,800,000	$ 108,846,000
Brand			98,500,000
Intangible assets amortization	$ 253,000
Dogfish Head Brewery | Trade Names
Brand		98,500,000	98,500,000
Dogfish Head Brewery | Customer Relationships
Estimated fair value		$ 3,800,000	$ 3,800,000
Useful life of finite lived intangibles	15 years