Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	$ 5,001	$ 3,897
Mortgage servicing rights	2,191	1,242
Foreclosed assets	28	608
Long-lived assets	1,871	2,425
Fair Value, Inputs, Level 1 [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	0	0
Mortgage servicing rights	0	0
Foreclosed assets	0	0
Long-lived assets	0	0
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	0	0
Mortgage servicing rights	0	0
Foreclosed assets	0	0
Long-lived assets	0	0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	5,001	3,897
Mortgage servicing rights	2,191	1,242
Foreclosed assets	28	608
Long-lived assets	1,871	2,425
Gain (Loss) on Investments [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Loans Nonrecurring Basis Gains Losses	(1,491)	(1,340)
Mortgage Servicing Rights Nonrecurring Basis Gains Losses	(2)	53
Foreclosed Assets Nonrecurring Basis Gains Losses	(10)	(162)
Long Lived Assets Nonrecurring Basis Gains Losses	$ (956)	$ (1,667)