Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (52,406)	$ (287,863)	$ (247,109)	$ (400,184)
Unrealized gain (loss) on short-term investment securities and cash and cash equivalents, net of deferred taxes of $(50), $(5), $(128) and $(3)	(171)	(19)	(438)	(12)
Interest rate derivative loss reclassified into earnings, net of taxes of $12, $13, $26 and $27	39	44	76	89
Other comprehensive income (loss)	(132)	25	(362)	77
Comprehensive loss	$ (52,538)	$ (287,838)	$ (247,471)	$ (400,107)