Income Taxes (Income Tax Rates) (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax [Line Items]
Consolidated effective tax rate	36.60%	30.20%	36.10%	30.20%	35.80%	30.40%
Federal statutory tax rate	35.00%	35.00%	35.00%	35.00%	35.00%	35.00%
Income Tax Rate Capital Gains	20.00%	20.00%	20.00%	20.00%	20.00%	20.00%