Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Accumulated depreciation on property and equipment	$ 109,952	$ 92,895
Stockholders’ equity
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)	250,000,000	250,000,000
Common Stock, Shares, Issued (in shares)	124,107,500	124,107,500
Common Stock, Shares, Outstanding (in shares)	112,075,474	112,075,474