Income Taxes - Reconciliation of Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Amount
Tax expense (benefit) at statutory rate	$ (107,085)	$ (78,648)	$ 7,435
State income taxes	(22,042)	(17,159)	1,844
Uncertain tax position	(3,549)	0	0
Corporate owned life insurance	0	(85)	(933)
Nondeductible executive compensation	1,753	566	371
Impairment	0	35,109	0
Change in valuation allowances	118,126	17,355	5,851
Share-based compensation	0	1,073	2,995
Domestic production activities deduction	0	0	(244)
Transition tax on unrepatriated foreign earnings	0	0	2,106
Tax reform revaluation of deferred taxes	0	0	(45,840)
Other	3,602	(494)	236
Total income tax expense (benefit)	$ (9,195)	$ (42,283)	$ (26,179)
Percentage
Tax expense (benefit) at statutory rate (as a percent)	21.00%	21.00%	35.00%
State income taxes (as a percent)	4.30%	4.60%	8.70%
Uncertain tax position (as a percent)	0.70%	0.00%	0.00%
Corporate owned life insurance (as a percent)	0.00%	0.00%	(4.40%)
Nondeductible executive compensation (as a percent)	(0.30%)	(0.10%)	1.80%
Impairment (as a percent)	0.00%	(9.40%)	0.00%
Change in valuation allowances (as a percent)	(23.20%)	(4.60%)	27.50%
Share-based compensation (as a percent)	0.00%	(0.30%)	14.10%
Domestic production activities deduction (as a percent)	0.00%	0.00%	(1.20%)
Deemed repatriation of foreign earnings (as a percent)	0.00%	0.00%	9.90%
Tax reform revaluation of deferred taxes (as a percent)	0.00%	0.00%	(215.80%)
Other (as a percent)	(0.70%)	0.10%	1.20%
Total (as a percent)	1.80%	11.30%	(123.20%)