Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenues	$ 168,501	$ 180,185	$ 472,224	$ 553,714
Cost of revenues	49,760	39,125	158,313	111,363
Cost of revenues—related parties	0	2,310	0	13,652
Total cost of revenues	49,760	41,435	158,313	125,015
Gross profit	118,741	138,750	313,911	428,699
Marketing and selling expenses	66,722	131,263	243,564	340,409
General and administrative expenses	74,110	389,828	233,828	486,319
Lease abandonment and impairment of long-lived assets	3,960	0	28,593	0
Other store closure and related costs	1,714	0	6,190	0
Loss from operations	(27,765)	(382,341)	(198,264)	(398,029)
Interest expense	15,555	4,291	29,627	11,607
Interest expense—related parties	0	0	0	75
Loss on extinguishment of debt	0	32	13,781	29,672
Other (income) expense	(1,028)	421	2,131	500
Net loss before income tax expense	(42,292)	(387,085)	(243,803)	(439,883)
Income tax expense	1,190	479	1,745	596
Net loss	(43,482)	(387,564)	(245,548)	(440,479)
Net loss attributable to noncontrolling interest	(30,892)	(299,268)	(176,909)	(352,183)
Net loss attributable to SmileDirectClub, Inc.	$ (12,590)	$ (88,296)	$ (68,639)	$ (88,296)
Earnings per share of Class A common stock:
Earnings per share of Class A common stock, basic (in USD per share)	$ (0.11)	$ (0.89)	$ (0.63)	$ (0.89)
Earnings per share of Class A common stock, diluted (in USD per share)	$ (0.11)	$ (0.89)	$ (0.64)	$ (0.89)
Weighted average shares outstanding:
Weighted average shares outstanding, basic (in shares)	111,703,080	99,533,877	108,459,488	99,533,877
Weighted average shares outstanding, diluted (in shares)	385,672,677	379,008,382	384,888,849	379,008,382
Common Class A
Earnings per share of Class A common stock:
Earnings per share of Class A common stock, basic (in USD per share)	$ (0.11)	$ (0.89)	$ (0.63)	$ (0.89)
Earnings per share of Class A common stock, diluted (in USD per share)	$ (0.11)	$ (0.89)	$ (0.64)	$ (0.89)
Excluding Financing Revenue
Total revenues	$ 156,459	$ 168,663	$ 434,796	$ 522,529
Financing Revenue
Total revenues	$ 12,042	$ 11,522	$ 37,428	$ 31,185