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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense and Effective Tax Rate

The following table presents the income tax expense and the effective tax rate for the three and six months ended June 30, 2019 and 2018:

($ in thousands)		Three Months Ended June 30,											Six Months Ended June 30,
		2019				2018				% Change			2019				2018				% Change
Income before income taxes		$	223,177			$	196,992			13	%		$	418,268			$	408,776			2	%
Income tax expense		$	72,797			$	24,643			195	%		$	103,864			$	49,395			110	%
Effective tax rate		32.6		%		12.5		%		20	%		24.8		%		12.1		%		13	%

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