Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 194,237	$ 208,342
Restricted cash	17,408	4,316
Prepaid expenses	3,337	8,613
Accrued revenue, net	18,902	13,334
Inventory	14,519	3,382
Other current assets	1,828	328
Loans held for sale	3,584	1,891
Total current assets	253,815	240,206
Property and equipment, net	23,855	22,318
Intangible assets, net	3,050	3,294
Goodwill	9,186	9,186
Other assets	7,077	6,951
Total assets:	296,983	281,955
Current liabilities:
Accounts payable	3,855	1,901
Accrued liabilities	34,045	26,605
Other payables	17,700	4,068
Loan facility	3,492	2,016
Current portion of deferred rent	1,467	1,267
Total current liabilities	60,559	35,857
Deferred rent, net of current portion	10,811	10,668
Total liabilities	71,370	46,525
Commitments and contingencies (Note 11)
Stockholders’ equity:
Common stock—par value $0.001 per share; 500,000,000 shares authorized; 83,785,251 and 81,468,891 shares issued and outstanding, respectively	84	81
Preferred stock—par value $0.001 per share; 10,000,000 shares authorized and no shares issued and outstanding	0	0
Additional paid-in capital	387,764	364,352
Accumulated deficit	(162,235)	(129,003)
Total stockholders’ equity	225,613	235,430
Total liabilities and stockholders’ equity:	$ 296,983	$ 281,955