Income Taxes Reconciliation of Statutory Rate to Effective Rate (Details)	12 Months Ended
	Dec. 31, 2019 Rate	Dec. 31, 2018 Rate	Dec. 31, 2017 Rate
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory tax rate	21.00%	21.00%	35.00%
State income tax, net	3.60%	(6.40%)	1.80%
Federal tax credits	(3.30%)	(52.10%)	0.00%
Effect of state income tax rate changes	(6.40%)	6.70%	0.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(0.60%)	45.50%	0.00%
Non-deductible compensation	(5.00%)	21.80%	(0.30%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Percent	(2.30%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	(1.00%)	31.80%	0.00%
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	(0.50%)	4.90%	0.00%
Federal tax reform rate reduction	0.00%	0.00%	33.70%
Non-deductible goodwill impairment	0.00%	0.00%	(7.70%)
Other	0.00%	(0.40%)	(0.10%)
Effective Income Tax Rate Reconciliation, Percent	5.50%	72.80%	62.40%