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Income taxes	6 Months Ended
	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income taxes	Income taxes For the six months ended June 30, 2019, the Company's tax rate varied from the statutory rate of 26.5% due primarily to the favorable tax impact on the income associated with its investment in Atlantica, and the impact of differences in effective tax rates on transactions in foreign jurisdictions. For the six months ended June 30, 2018, the Company's tax rate varied from the statutory rate of 26.5%

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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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