Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 1,567,710	$ 1,141,263
Short-term investments	993,258	1,280,989
Accounts receivable, net of allowance for doubtful accounts of $4,495 and $4,522 at March 31, 2020 and December 31, 2019, respectively	71,782	67,005
Mortgage loans held for sale	36,848	36,507
Inventory	533,989	836,627
Prepaid expenses and other current assets	57,635	58,117
Restricted cash	56,428	89,646
Total current assets	3,317,650	3,510,154
Contract cost assets	46,565	45,209
Property and equipment, net	188,032	170,489
Right of use assets	205,688	212,153
Goodwill	1,984,907	1,984,907
Intangible assets, net	112,274	190,567
Other assets	16,624	18,494
Total assets	5,871,740	6,131,973
Current liabilities:
Accounts payable	17,819	8,343
Accrued expenses and other current liabilities	88,897	85,442
Accrued compensation and benefits	32,838	37,805
Borrowings under credit facilities	466,647	721,951
Deferred revenue	35,347	39,747
Lease liabilities, current portion	20,290	17,592
Convertible senior notes, current portion	9,637	9,637
Total current liabilities	671,475	920,517
Lease liabilities, net of current portion	216,122	220,445
Long-term debt	1,565,949	1,543,402
Deferred tax liabilities and other long-term liabilities	2,433	12,188
Total liabilities	2,455,979	2,696,552
Commitments and contingencies (Note 16)
Shareholders’ equity:
Preferred stock, $0.0001 par value; 30,000,000 shares authorized; no shares issued and outstanding	0	0
Additional paid-in capital	4,551,866	4,412,200
Accumulated other comprehensive income	4,286	340
Accumulated deficit	(1,140,413)	(977,140)
Total shareholders’ equity	3,415,761	3,435,421
Total liabilities and shareholders’ equity	5,871,740	6,131,973
Class A Common Stock
Shareholders’ equity:
Common stock/capital stock	6	6
Class B Common Stock
Shareholders’ equity:
Common stock/capital stock	1	1
Class C Capital Stock
Shareholders’ equity:
Common stock/capital stock	$ 15	$ 14