Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Tax Expense

The following table presents income tax expense and the effective income tax rate for the quarters and nine months ended September 30, 2015 and 2014.

Income Tax Expense

(Dollar amounts in thousands)

	Quarters Ended   September 30,						Nine Months Ended   September 30,
	2015			2014			2015			2014
Income before income tax expense	$	34,451		$	27,098		$	96,564		$	80,076
Income tax expense:
Federal income tax expense	$	9,036		$	6,714		$	24,956		$	19,719
State income tax expense	2,131			1,835			5,868			5,644
Total income tax expense	$	11,167		$	8,549		$	30,824		$	25,363
Effective income tax rate	32.4		%	31.5		%	31.9		%	31.7		%