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Fixed Charge Coverage Ratio Minimum

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Line of Credit Facility, Maximum Total Amount of Investments Within Same Industry

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the fee for available but unused credit capacity under the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Debt and Finance Lease Obligations (Details)		12 Months Ended
Debt and Finance Lease Obligations (Details)	Jun. 20, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 25, 2019 USD ($)	May 07, 2019	Oct. 10, 2018 USD ($)	Oct. 09, 2018 USD ($)
Debt Instrument [Line Items]
Long-term debt and finance lease obligations		$ 34,335,000	$ 47,492,000
Less current portion		(1,415,000)	(919,000)
Long-term debt and capital lease obligations, net of current portion		32,920,000	46,573,000
Maturities of Long-term Debt [Abstract]
Capital Lease Obligations			1,577,000
Term Loan and Line of Credit [Abstract]
Long-term debt and finance lease obligations		$ 34,335,000	47,492,000
Variable marginal rate on debt		2.00%
Stated interest rate (in hundredths)		2.96%
Letters of credit outstanding		$ 0	0	$ 0
Cash exchanged for secured interest in previously installed can line at Portland brewing facility		$ 5,192,000	0	0
Minimum
Term Loan and Line of Credit [Abstract]
Variable marginal rate on debt		0.75%
Maximum
Term Loan and Line of Credit [Abstract]
Variable marginal rate on debt		1.75%
Term loan
Maturities of Long-term Debt [Abstract]
2020		$ 459,000
2021		477,000
2022		496,000
2023		6,949,000
2024		0
Thereafter		0
Long-term debt		8,381,000	8,823,000
Term Loan and Line of Credit [Abstract]
Term loan borrowing capacity							$ 10,800,000
Line of credit
Maturities of Long-term Debt [Abstract]
2020		0
2021		0
2022		0
2023		19,980,000
2024		0
Thereafter		0
Long-term debt		19,980,000	37,092,000
Term Loan and Line of Credit [Abstract]
Maximum borrowing capacity							45,000,000.0	$ 40,000,000.0
Quarterly loan commitment reductions revolving facility is subject to							750,000
Maximum total amount of investments in other craft brewers, other than acquisition of all or substantially all assets or controlling ownership interest							10,000,000.0	$ 5,000,000.0
Required availability of line of credit required for acquisitions		$ 5,000,000.0
Unused debt instrument commitment fee (in hundredths)		0.15%
Loan agreement fee		$ 37,000	$ 52,000	$ 37,000
Line of credit \| Minimum
Term Loan and Line of Credit [Abstract]
Unused debt instrument commitment fee (in hundredths)		0.15%
Line of credit \| Maximum
Term Loan and Line of Credit [Abstract]
Unused debt instrument commitment fee (in hundredths)		0.30%
Letter of credit
Term Loan and Line of Credit [Abstract]
Maximum borrowing capacity							$ 2,500,000.0
Letter of credit \| Minimum
Term Loan and Line of Credit [Abstract]
Variable marginal rate on debt			0.75%	0.75%
Annual fee payable, applicable rate multiplier		0.75%
Letter of credit \| Maximum
Term Loan and Line of Credit [Abstract]
Variable marginal rate on debt			1.75%	1.75%
Annual fee payable, applicable rate multiplier		1.75%
Finance lease obligations
Maturities of Long-term Debt [Abstract]
2020		$ 333,000
2021		266,000
2022		199,000
2023		199,000
2024		199,000
Thereafter		0
Long-term debt		1,196,000
Amount representing interest		(96,000)
Capital Lease Obligations		1,100,000	$ 1,577,000
Secured Debt
Maturities of Long-term Debt [Abstract]
2020		660,000
2021		690,000
2022		722,000
2023		756,000
2024		791,000
Thereafter		1,255,000
Long-term debt		$ 4,874,000	$ 0
Term Loan and Line of Credit [Abstract]
Cash exchanged for secured interest in previously installed can line at Portland brewing facility	$ 5,200,000
Interest rate		4.54%
Second Amendment to Amended and Restated Credit Agreement \| Term loan
Term Loan and Line of Credit [Abstract]
Consolidated leverage ratio maximum						3.50
Third Amendment to Amended and Restated Credit Agreement \| Term loan
Term Loan and Line of Credit [Abstract]
Fixed charge coverage ratio minimum					$ 10,000,000
Fourth Amendment to Amended and Restated Credit Agreement [Member] \| Term loan
Term Loan and Line of Credit [Abstract]
Consolidated leverage ratio maximum		3.50
Fixed charge coverage ratio minimum		1.20
Minimum Consolidated EBITDA		$ 3,000,000.0