Fair Value Measurements (Quantitative Information About Level 3 Fair Value Measurements for Certain Financial Assets) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	12.00%	16.00%
Present value of cash flows discount rate	5.00%
Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	5.00%	9.00%
Nonrecurring [Member] | Maximum [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	12.00%	60.00%
Present value of cash flows discount rate	8.00%
Nonrecurring [Member] | Maximum [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	6.00%	13.00%
Nonrecurring [Member] | Minimum [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	12.00%	11.00%
Present value of cash flows discount rate	3.00%
Nonrecurring [Member] | Minimum [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Quantitative information about level 3 nonrecurring basis	2.00%	5.00%