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Income taxes	3 Months Ended
	Mar. 31, 2019
Income taxes
Income taxes	11. Income taxes The effective tax rate of the Company was 10.6% for the three months ended March 31, 2019 compared to 11.7% for the three months ended March 31, 2018. The three months ended March 31, 2019 includes before tax investment tax credits and other credits of $388 compared to before tax investment tax credits $270 for that same period last year.

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- References

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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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