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Income Taxes	3 Months Ended
	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes During the first quarter of 2019, the Company released a $16.3 million net reserve for unrecognized tax benefits related to alternative minimum tax associated with uncertain tax positions and a $3.1 million liability for accrued interest associated with the uncertain tax positions. The release of the net reserve did not have a material impact on the Company's effective tax rate. As of March 31, 2019, the Company had a $0.5 million net reserve for unrecognized tax benefits related to the allocation of certain gains associated with its divestitures for purposes of computing state income taxes. If recognized, the tax benefit of $0.5 million would not have a material effect on the Company’s effective tax rate.

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- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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