CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 417,026	$ 399,422
Accounts receivable, net of allowance for credit losses of $2,115 and $1,771, respectively	40,560	40,484
Prepaid expenses and other current assets	39,530	35,822
Total current assets	497,116	475,728
Property and equipment, net	406,747	368,929
Right-of-use leased assets	87,697	73,460
Deposits and other assets	13,841	14,007
Total assets	1,005,401	932,124
Current liabilities:
Accounts payable	12,171	11,075
Accrued and other current liabilities	52,492	51,301
Installment payment agreement, current portion, net of discounts of $291 and $350, respectively	9,374	9,063
Current maturities, operating lease liabilities	11,292	10,101
Current maturities, finance lease obligations	14,734	8,154
Total current liabilities	100,063	89,694
Operating lease liabilities, net of current maturities	99,151	86,690
Finance lease obligations, net of current maturities	189,044	161,635
Other long term liabilities	19,943	15,327
Total liabilities	1,240,951	1,135,803
Commitments and contingencies:
Stockholders' equity:
Common stock, $0.001 par value; 75,000,000 shares authorized; 47,279,201 and 46,840,434 shares issued and outstanding, respectively	47	47
Additional paid-in capital	506,391	493,178
Accumulated other comprehensive income - foreign currency translation	(12,906)	(12,326)
Accumulated deficit	(729,082)	(684,578)
Total stockholders' deficit	(235,550)	(203,679)
Total liabilities and stockholders' deficit	1,005,401	932,124
Senior secured 2022 notes
Current liabilities:
Senior secured 2022 notes, net of unamortized debt costs of $1,480 and $1,897, respectively and including premiums of $767 and $985, respectively	444,287	444,088
Senior unsecured 2024 notes
Current liabilities:
Senior unsecured notes	$ 388,463	150,001
Senior unsecured 2021 notes
Current liabilities:
Senior unsecured notes		$ 188,368