CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 393,293	$ 399,422
Accounts receivable, net of allowance for credit losses of $2,204 and $1,771, respectively	42,053	40,484
Prepaid expenses and other current assets	40,007	35,822
Total current assets	475,353	475,728
Property and equipment, net	421,251	368,929
Right-of-use leased assets	90,400	73,460
Deposits and other assets	13,910	14,007
Total assets	1,000,914	932,124
Current liabilities:
Accounts payable	11,983	11,075
Accrued and other current liabilities	47,714	51,301
Installment payment agreement, current portion, net of discounts of $245 and $350, respectively	8,292	9,063
Current maturities, operating lease liabilities	12,006	10,101
Current maturities, finance lease obligations	15,252	8,154
Total current liabilities	95,247	89,694
Operating lease liabilities, net of current maturities	101,447	86,690
Finance lease obligations, net of current maturities	197,688	161,635
Other long term liabilities	16,800	15,327
Total liabilities	1,261,605	1,135,803
Commitments and contingencies:
Stockholders' equity:
Common stock, $0.001 par value; 75,000,000 shares authorized; 47,284,336 and 46,840,434 shares issued and outstanding, respectively	47	47
Additional paid-in capital	513,454	493,178
Accumulated other comprehensive income - foreign currency translation	(7,498)	(12,326)
Accumulated deficit	(766,694)	(684,578)
Total stockholders' deficit	(260,691)	(203,679)
Total liabilities and stockholders' deficit	1,000,914	932,124
Senior secured 2022 notes
Current liabilities:
Senior secured 2022 notes, net of unamortized debt costs of $1,267 and $1,897, respectively and including premiums of $656 and $985, respectively	444,389	444,088
Senior unsecured 2024 notes
Current liabilities:
Senior unsecured notes	$ 406,034	150,001
Senior unsecured 2021 notes
Current liabilities:
Senior unsecured notes		$ 188,368