Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	$ 1,756	$ 6,860
Mortgage servicing rights	2,533	1,461
Foreclosed assets	47	479
Long-lived assets	2,232	937
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	1,756	6,860
Mortgage servicing rights	2,533	1,461
Foreclosed assets	47	479
Long-lived assets	2,232	937
Gain (Loss) on Investments [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Loans Nonrecurring Basis Gains Losses	(1,626)	(1,794)
Mortgage Servicing Rights Nonrecurring Basis Gains Losses	(7)	59
Foreclosed Assets Nonrecurring Basis Gains Losses	(66)	(193)
Long Lived Assets Nonrecurring Basis Gains Losses	$ (1,001)	$ (1,366)