Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

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

Income Tax Expense

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2015			2014			2015			2014
Income before income tax expense	$	33,439		$	27,142		$	62,113		$	52,978
Income tax expense:
Federal income tax expense	$	8,844		$	6,727		$	15,920		$	13,005
State income tax expense	2,021			1,915			3,737			3,809
Total income tax expense	$	10,865		$	8,642		$	19,657		$	16,814
Effective income tax rate	32.5		%	31.8		%	31.6		%	31.7		%