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Income Taxes
3 Months Ended
Mar. 31, 2017
Income Taxes [Abstract]  
Income Taxes

15.   Income Taxes



Our effective income tax rate for the three months ended March 31, 2017 and 2016 was 31.7% and 32.0%, respectively. The rates varied from the statutory tax rate primarily due to the amount of tax exempt income in relation to total pre-tax income.