Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (7,676)	$ (6,204)	$ (54,060)	$ (6,744)
Income (loss) before income taxes	$ (27,645)	$ (38,072)	(503,696)	$ (63,000)
Nondeductible goodwill impairment losses			313,100
Income tax expense (benefit) from carryback of operating losses			$ 16,400