CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounts receivable allowance and reserves	$ 306	$ 578
Accumulated depreciation and amortization on property and equipment	161,232	147,669
Accumulated amortization on intangible assets	$ 14,935	$ 13,744
Treasury stock (shares)	0	194,708
Common stock; $0.001 par value; authorized 1,600,000,000 shares; 263,759,289 and 0 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively
Common stock authorized (shares)	1,600,000,000	1,600,000,000
Common stock issued (shares)	263,759,289	0
Common stock outstanding (shares)	263,759,289	0
Former IAC common stock; $0.001 par value; authorized 1,600,000,000 shares; 0 and 263,229,724 shares issued; and 0 and 78,889,779 shares outstanding at September 30, 2020 and December 31, 2019, respectively
Common stock, par value (USD per share)	$ 0.001	$ 0.001
Common stock authorized (shares)	1,600,000,000	1,600,000,000
Common stock issued (shares)	0	263,229,724
Common stock outstanding (shares)	0	78,889,779
Former IAC Class B convertible common stock; $0.001 par value; authorized 400,000,000 shares; 0 and 16,157,499 shares issued; and 0 and 5,789,499 shares outstanding at September 30, 2020 and December 31, 2019, respectively
Common stock, par value (USD per share)	$ 0.001	$ 0.001
Common stock authorized (shares)	400,000,000	400,000,000
Common stock issued (shares)	0	16,157,499
Common stock outstanding (shares)	0	5,789,499