CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 52,653	$ 456,727
Restricted cash	1,231	1,089
Short-term investments	0	108,919
Accounts receivable, net	148,512	163,516
Prepaid expenses and other current assets	16,040	23,195
Total current assets	218,436	753,446
Digital assets	380,758	0
Property and equipment, net	45,473	50,154
Right-of-use assets	79,296	85,538
Deposits and other assets	15,405	8,024
Deferred tax assets, net	33,537	19,409
Total assets	772,905	916,571
Current liabilities:
Accounts payable, accrued expenses, and operating lease liabilities	38,668	33,919
Accrued compensation and employee benefits	44,177	48,792
Deferred revenue and advance payments	160,845	187,107
Total current liabilities	243,690	269,818
Deferred revenue and advance payments	11,657	4,344
Operating lease liabilities	95,591	103,424
Other long-term liabilities	32,651	30,400
Deferred tax liabilities	24	26
Total liabilities	383,613	408,012
Commitments and Contingencies
Stockholders’ Equity
Preferred stock undesignated, $0.001 par value; 5,000 shares authorized; no shares issued or outstanding	0	0
Additional paid-in capital	604,974	593,583
Treasury stock, at cost; 8,684 shares and 7,807 shares, respectively	(782,104)	(658,880)
Accumulated other comprehensive loss	(6,900)	(9,651)
Retained earnings	573,304	583,489
Total stockholders’ equity	389,292	508,559
Total liabilities and stockholders’ equity	772,905	916,571
Class A
Stockholders’ Equity
Common stock	16	16
Total stockholders’ equity	16	16
Class B Convertible
Stockholders’ Equity
Common stock	2	2
Total stockholders’ equity	$ 2	$ 2