Income Taxes Income Taxes (Provision of Income Taxes from Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U. S. federal provision (benefit)	$ 1,188us-gaap_CurrentFederalTaxExpenseBenefit	$ (672)us-gaap_CurrentFederalTaxExpenseBenefit	$ 3,340us-gaap_CurrentFederalTaxExpenseBenefit
State provision (benefit)	772	(522)	(40)
Total current provision (benefit)	1,960us-gaap_CurrentIncomeTaxExpenseBenefit	(1,194)us-gaap_CurrentIncomeTaxExpenseBenefit	3,300us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U. S. federal provision	5,117	8,708	3,885
State provision (benefit)	178	1,731	(391)
Total deferred provision	5,295us-gaap_DeferredIncomeTaxExpenseBenefit	10,439us-gaap_DeferredIncomeTaxExpenseBenefit	3,494us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax provision	$ 7,255	$ 9,245	$ 6,794

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.