GrowGeneration Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Narrative (Details)

ACQUISITIONS - Narrative (Details)																								12 Months Ended
ACQUISITIONS - Narrative (Details)	Dec. 31, 2021 USD ($) store	Oct. 15, 2021 USD ($)	Aug. 24, 2021 USD ($)	Aug. 23, 2021 USD ($)	Jul. 19, 2021 USD ($)	Jul. 03, 2021 USD ($)	May 24, 2021 USD ($)	Apr. 19, 2021 USD ($)	Mar. 19, 2021 USD ($)	Mar. 15, 2021 USD ($)	Mar. 12, 2021 USD ($)	Feb. 22, 2021 USD ($) store	Feb. 15, 2021 USD ($) store	Feb. 01, 2021 USD ($) store	Jan. 25, 2021 USD ($) store	Dec. 23, 2020 USD ($)	Dec. 14, 2020 USD ($) store	Nov. 17, 2020 USD ($) store	Oct. 20, 2020 USD ($) store	Oct. 12, 2020 USD ($)	Aug. 10, 2020 USD ($)	Jun. 16, 2020 USD ($)	Feb. 26, 2020 USD ($)	Dec. 31, 2021 USD ($) store	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Intangible assets purchase accounting adjustments																								$ (1,000,000.0)
Goodwill purchase accounting adjustments																								(1,000,000.0)
Business acquisition, transaction costs	$ 700,000																							$ 700,000	$ 200,000	$ 100,000
Number of stores \| store	62																							62
Indoor Garden Lighting Inc
Business Acquisition [Line Items]
Number of stores \| store															2
Consideration transferred															$ 1,700,000
Payments to acquire businesses															1,200,000
Business combination, equity interest issued or issuable, amount															$ 500,000
Grow Depot Maine
Business Acquisition [Line Items]
Number of stores \| store														2
Consideration transferred														$ 2,100,000
Payments to acquire businesses														1,700,000
Business combination, equity interest issued or issuable, amount														$ 400,000
Grow Warehouse LLC
Business Acquisition [Line Items]
Number of stores \| store													4
Consideration transferred													$ 17,800,000
Payments to acquire businesses													8,100,000
Business combination, equity interest issued or issuable, amount													$ 9,700,000
Grow Warehouse LLC \| COLORADO
Business Acquisition [Line Items]
Number of stores \| store													3
Grow Warehouse LLC \| OKLAHOMA
Business Acquisition [Line Items]
Number of stores \| store													1
San Diego Hydroponics & Organics
Business Acquisition [Line Items]
Number of stores \| store												4
Consideration transferred												$ 9,300,000
Payments to acquire businesses												4,800,000
Business combination, equity interest issued or issuable, amount												$ 4,500,000
Charcoir Corporation
Business Acquisition [Line Items]
Consideration transferred											$ 16,400,000
Payments to acquire businesses											9,900,000
Business combination, equity interest issued or issuable, amount											$ 6,500,000
55 Hydroponics
Business Acquisition [Line Items]
Consideration transferred										$ 6,500,000
Payments to acquire businesses										5,300,000
Business combination, equity interest issued or issuable, amount										1,100,000
Aquarius
Business Acquisition [Line Items]
Consideration transferred										3,600,000
Payments to acquire businesses										2,300,000
Business combination, equity interest issued or issuable, amount										$ 1,200,000
Agron
Business Acquisition [Line Items]
Consideration transferred									$ 11,200,000
Payments to acquire businesses									6,000,000.0
Business combination, equity interest issued or issuable, amount									$ 5,300,000
Grow Depot LLC
Business Acquisition [Line Items]
Consideration transferred								$ 4,400,000
Payments to acquire businesses								3,200,000
Business combination, equity interest issued or issuable, amount								$ 1,200,000
Harvest Company
Business Acquisition [Line Items]
Consideration transferred							$ 8,300,000
Payments to acquire businesses							5,600,000
Business combination, equity interest issued or issuable, amount							$ 2,800,000
Aqua Serene
Business Acquisition [Line Items]
Consideration transferred					$ 11,700,000
Payments to acquire businesses					9,900,000
Business combination, equity interest issued or issuable, amount					$ 1,800,000
Mendocino Greenhouse & Garden Supply
Business Acquisition [Line Items]
Payments to acquire businesses						$ 4,000,000.0
Commercial Grow Supply Inc.
Business Acquisition [Line Items]
Consideration transferred			$ 7,200,000
Payments to acquire businesses			6,000,000.0
Business combination, equity interest issued or issuable, amount			$ 1,300,000
Hoagtech Hydroponics, Inc.
Business Acquisition [Line Items]
Consideration transferred				$ 3,900,000
Business combination, contingent consideration, equity interest issued or issuable, amount				600,000
Revenue threshold				$ 8,000,000.0
Revenue threshold term				12 months
Probability of achieving threshold				5.00%
Contingent consideration transferred				$ 28,500
Indoor Store, LLC
Business Acquisition [Line Items]
Consideration transferred		$ 900,000
Payments to acquire businesses		700,000
Business combination, equity interest issued or issuable, amount		$ 200,000
Mobile Media, Inc and MMI Agriculture
Business Acquisition [Line Items]
Consideration transferred	$ 9,100,000
Payments to acquire businesses	8,300,000
Business combination, equity interest issued or issuable, amount	$ 800,000
Health & Harvest LLC
Business Acquisition [Line Items]
Consideration transferred																							$ 2,900,000
Payments to acquire businesses																							1,800,000
Business combination, equity interest issued or issuable, amount																							$ 1,100,000
H2O Hydro LLC
Business Acquisition [Line Items]
Consideration transferred																						$ 2,000,000.0
Payments to acquire businesses																						1,300,000
Business combination, equity interest issued or issuable, amount																						$ 700,000
Emerald City
Business Acquisition [Line Items]
Consideration transferred																					$ 1,000,000.0
Hydroponics Depot, LLC
Business Acquisition [Line Items]
Consideration transferred																				$ 1,500,000
Payments to acquire businesses																				1,000,000.0
Business combination, equity interest issued or issuable, amount																				$ 500,000
Big Green Tomato
Business Acquisition [Line Items]
Number of stores \| store																			2
Consideration transferred																			$ 9,000,000
Payments to acquire businesses																			6,000,000
Business combination, equity interest issued or issuable, amount																			3,100,000
Acquired goodwill																			$ 4,000,000
GrowBiz
Business Acquisition [Line Items]
Number of stores \| store																		5
Consideration transferred																		$ 44,800,000
Payments to acquire businesses																		17,500,000
Business combination, equity interest issued or issuable, amount																		27,300,000
Acquired goodwill																		$ 28,500,000
GrowBiz \| CALIFORNIA
Business Acquisition [Line Items]
Number of stores \| store																		4
GrowBiz \| OREGON
Business Acquisition [Line Items]
Number of stores \| store																		1
Grassroots
Business Acquisition [Line Items]
Number of stores \| store																	3
Consideration transferred																	$ 10,000,000
Payments to acquire businesses																	7,500,000
Business combination, equity interest issued or issuable, amount																	2,500,000
Acquired goodwill																	$ 4,500,000
Canopy
Business Acquisition [Line Items]
Consideration transferred																$ 9,200,000
Payments to acquire businesses																5,400,000
Business combination, equity interest issued or issuable, amount																3,800,000
Acquired goodwill																$ 4,900,000