Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 562,714	$ 925,276
Restricted cash	74,532	20,544
Short-term investments	28,578	131,561
Accounts receivable, net of allowances for credit losses	91,932	54,719
Inventory	435,144	49,158
Loans held for sale	42,762	42,539
Prepaid expenses	19,155	12,131
Other current assets	8,537	4,898
Total current assets	1,263,354	1,240,826
Property and equipment, net	55,535	43,988
Right-of-use assets, net	55,757	44,149
Long-term investments	53,488	11,922
Goodwill	407,228	9,186
Intangibles, net	194,856	1,830
Other assets, noncurrent	13,129	8,619
Total assets	2,043,347	1,360,520
Current liabilities
Accounts payable	10,075	5,644
Accrued liabilities	102,027	69,460
Other payables	16,766	13,184
Warehouse credit facilities	39,825	39,029
Secured revolving credit facility	199,627	23,949
Convertible senior notes, net	23,243	22,482
Lease liabilities	14,793	11,973
Total current liabilities	406,356	185,721
Lease liabilities, noncurrent	57,759	49,339
Convertible senior notes, net, noncurrent	1,212,767	488,268
Payroll tax liabilities, noncurrent	7,841	6,812
Deferred tax liabilities	883	0
Total liabilities	1,685,606	730,140
Commitments and contingencies (Note 8)
Series A convertible preferred stock	39,857	39,823
Stockholders’ equity
Common stock—par value $0.001 per share; 500,000,000 shares authorized; 105,375,935 and 103,000,594 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	105	103
Additional paid-in capital	662,894	860,556
Accumulated other comprehensive income	47	211
Accumulated deficit	(345,162)	(270,313)
Total stockholders’ equity	317,884	590,557
Total liabilities, mezzanine equity, and stockholders’ equity	$ 2,043,347	$ 1,360,520