CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Allowance for accounts receivable	$ 798	$ 1,173
Current liabilities:
Accrued expenses	43,393	45,264
Contract liabilities	52,944	54,011
Non-current portion of accrued data costs	$ 15,471	$ 7,843
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible redeemable preferred stock, shares authorized (in shares)	82,527,609	82,527,609
Convertible redeemable preferred stock, shares issued (in shares)	82,527,609	82,527,609
Convertible redeemable preferred stock, shares outstanding (in shares)	82,527,609	82,527,609
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	7,472,391	7,472,391
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	275,000,000	275,000,000
Common stock, shares issued (in shares)	98,869,738	97,172,086
Common stock, shares outstanding (in shares)	92,104,942	90,407,290
Treasury stock, at cost (in shares)	6,764,796	6,764,796
Investor
Current assets:
Accounts receivable, net	$ 1,034	$ 3,606
Current liabilities:
Accounts payable	12,090	6,575
Accrued expenses	4,297	4,122
Contract liabilities	1,341	3,553
Other current liabilities	7,863	7,863
Other noncurrent liabilities	159	1,582
Convertible redeemable preferred stock, aggregate liquidation preference	$ 211,863	$ 211,863