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Income Taxes (Reconciliation of Effective Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	35.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(2448.10%)	200.90%	(20.90%)
Effective Income Tax Rate Reconciliation, Uncertain Tax Benefits	(0.00%)	(421.60%)	(0.00%)
State income taxes, net of federal benefit	(59.20%)	69.20%	(0.90%)
Company provided benefits	(10.30%)	(19.00%)	(1.90%)
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	(6.90%)	(13.80%)	(1.00%)
Effective Income Tax Rate Reconciliation, Company Provided Benefits	14.80%	152.90%	(3.00%)
Accrued interest on uncertain tax benefits	(2.10%)	(139.70%)	2.00%
Effective Income Tax Rate Reconciliation, Compensation-based credits	(21.70%)	(60.80%)	2.30%
Other, net	(1.50%)	(4.50%)	(0.10%)
Effective tax rate	(2472.20%)	(163.40%)	9.70%

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Effective Income Tax Rate Reconciliation, Accrued Interest on Uncertain Tax Benefits

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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