Subsequent Events (Details) - Subsequent Event - $ / shares	12 Months Ended
	Dec. 31, 2020	Nov. 11, 2019
Scenario, Forecast | Performance-Based Company RSU Awards | Company RSU Awards for the 2017-2019 Performance Cycle
Subsequent Event [Line Items]
Percent of number of Shares that would be earned based on target performance	33.00%
Scenario, Forecast | Performance-Based Company RSU Awards | Company RSU Awards for the 2019-2020 and 2019-2021 Performance Cycles
Subsequent Event [Line Items]
Percent of number of Shares that would be earned based on target performance	100.00%
Anheuser-Busch, LLC (A-B) | Craft Brew Alliance, Inc
Subsequent Event [Line Items]
Equity interest in acquiree immediately prior to acquisition		31.20%
Anheuser-Busch, LLC (A-B) | Craft Brew Alliance, Inc | Scenario, Forecast
Subsequent Event [Line Items]
Agreement to acquire remaining outstanding shares, price per share in cash (in dollars per share)	$ 16.50