Acquisitions, Divestitures and Assets Held for Sale (Assets Held for Sale) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Aug. 11, 2020	Dec. 31, 2019
Business Combinations, Discontinued Operations And Disposal Groups [Abstract]
Write down of assets held-for-sale	$ (2,893)	$ 0	$ (11,003)	$ 0
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total current assets classified as held-for-sale	61,634		61,634			$ 0
Total current liabilities classified as held-for-sale	(22,563)		(22,563)			$ 0
Held for sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	1,932		1,932
Notes receivable, current	32		32
Other current assets	205		205
Total current assets classified as held-for-sale	2,169		2,169
Capital assets, net	16,252		16,252
Operating lease right-of-use assets	13,060		13,060
Intangible assets, net	27,961		27,961
Goodwill	2,192		2,192
Total assets classified as held for sale	61,634		61,634
Accounts payable and accrued liabilities	(754)		(754)
Taxes payable	(291)		(291)
Operating lease liability, current	(1,201)		(1,201)
Other current liabilities	(183)		(183)
Total current liabilities classified as held-for-sale	(2,429)		(2,429)
Debt, non-current	(3,799)		(3,799)
Operating lease liability, non-current	(16,339)		(16,339)
Deferred tax liabilities	4		4
Total liabilities classified as held-for-sale	(22,563)		(22,563)
Held for sale | Acreage Florida, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	653		653
Notes receivable, current	0		0
Other current assets	174		174
Total current assets classified as held-for-sale	827		827
Capital assets, net	4,999		4,999
Operating lease right-of-use assets	10,305		10,305
Intangible assets, net	26,190		26,190
Goodwill	0		0
Total assets classified as held for sale	42,321		42,321
Accounts payable and accrued liabilities	(317)		(317)
Taxes payable	0		0
Operating lease liability, current	(489)		(489)
Other current liabilities	(187)		(187)
Total current liabilities classified as held-for-sale	(993)		(993)
Debt, non-current	(3,799)		(3,799)
Operating lease liability, non-current	(14,229)		(14,229)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	(19,021)		(19,021)
Held for sale | Kanna, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	0		0
Notes receivable, current	0		0
Other current assets	0		0
Total current assets classified as held-for-sale	0		0
Capital assets, net	1,156		1,156
Operating lease right-of-use assets	944		944
Intangible assets, net	970		970
Goodwill	0		0
Total assets classified as held for sale	3,070		3,070
Accounts payable and accrued liabilities	(240)		(240)
Taxes payable	1		1
Operating lease liability, current	(241)		(241)
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	(480)		(480)
Debt, non-current	0		0
Operating lease liability, non-current	(676)		(676)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	(1,156)		(1,156)
Held for sale | MMRC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	0		0
Notes receivable, current	0		0
Other current assets	30		30
Total current assets classified as held-for-sale	30		30
Capital assets, net	286		286
Operating lease right-of-use assets	362		362
Intangible assets, net	801		801
Goodwill	0		0
Total assets classified as held for sale	1,479		1,479
Accounts payable and accrued liabilities	(7)		(7)
Taxes payable	0		0
Operating lease liability, current	(31)		(31)
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	(38)		(38)
Debt, non-current	0		0
Operating lease liability, non-current	(331)		(331)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	(369)		(369)
Consideration received on disposal					$ 1,500
Held for sale | Michigan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	0		0
Notes receivable, current	0		0
Other current assets	0		0
Total current assets classified as held-for-sale	0		0
Capital assets, net	7,469		7,469
Operating lease right-of-use assets	0		0
Intangible assets, net	0		0
Goodwill	0		0
Total assets classified as held for sale	7,469		7,469
Accounts payable and accrued liabilities	0		0
Taxes payable	0		0
Operating lease liability, current	0		0
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	0		0
Debt, non-current	0		0
Operating lease liability, non-current	0		0
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	0		0
Held for sale | OR - Cannabliss
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	347		347
Notes receivable, current	0		0
Other current assets	1		1
Total current assets classified as held-for-sale	348		348
Capital assets, net	67		67
Operating lease right-of-use assets	645		645
Intangible assets, net	0		0
Goodwill	2,192		2,192
Total assets classified as held for sale	3,252		3,252
Accounts payable and accrued liabilities	(190)		(190)
Taxes payable	(292)		(292)
Operating lease liability, current	(157)		(157)
Other current liabilities	4		4
Total current liabilities classified as held-for-sale	(635)		(635)
Debt, non-current	0		0
Operating lease liability, non-current	(456)		(456)
Deferred tax liabilities	4		4
Total liabilities classified as held-for-sale	(1,087)		(1,087)
Held for sale | OR - Medford
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	696		696
Notes receivable, current	32		32
Other current assets	0		0
Total current assets classified as held-for-sale	728		728
Capital assets, net	2,252		2,252
Operating lease right-of-use assets	321		321
Intangible assets, net	0		0
Goodwill	0		0
Total assets classified as held for sale	3,301		3,301
Accounts payable and accrued liabilities	0		0
Taxes payable	0		0
Operating lease liability, current	(128)		(128)
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	(128)		(128)
Debt, non-current	0		0
Operating lease liability, non-current	(313)		(313)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	(441)		(441)
Held for sale | OR - Powell
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	140		140
Notes receivable, current	0		0
Other current assets	0		0
Total current assets classified as held-for-sale	140		140
Capital assets, net	7		7
Operating lease right-of-use assets	164		164
Intangible assets, net	0		0
Goodwill	0		0
Total assets classified as held for sale	311		311
Accounts payable and accrued liabilities	0		0
Taxes payable	0		0
Operating lease liability, current	(116)		(116)
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	(116)		(116)
Debt, non-current	0		0
Operating lease liability, non-current	(54)		(54)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	(170)		(170)
Held for sale | OR - Springfield
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	96		96
Notes receivable, current	0		0
Other current assets	0		0
Total current assets classified as held-for-sale	96		96
Capital assets, net	16		16
Operating lease right-of-use assets	319		319
Intangible assets, net	0		0
Goodwill	0		0
Total assets classified as held for sale	431		431
Accounts payable and accrued liabilities	0		0
Taxes payable	0		0
Operating lease liability, current	(39)		(39)
Other current liabilities	0		0
Total current liabilities classified as held-for-sale	(39)		(39)
Debt, non-current	0		0
Operating lease liability, non-current	(280)		(280)
Deferred tax liabilities	0		0
Total liabilities classified as held-for-sale	$ (319)		$ (319)