Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	$ 4,710,000	$ 729,000
Mortgage servicing rights	1,843,000	994,000
Foreclosed assets	62,000	23,000
Long-lived assets	0	4,996,000
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	4,710,000	729,000
Mortgage servicing rights	1,843,000	994,000
Foreclosed assets	62,000	23,000
Long-lived assets	0	4,996,000
Gain (Loss) on Investments [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Loans Nonrecurring Basis Gains Losses	(2,043,000)	(398,000)
Mortgage Servicing Rights Nonrecurring Basis Gains Losses	(1,000)	15,000
Foreclosed Assets Nonrecurring Basis Gains Losses	(36,000)	(25,000)
Long Lived Assets Nonrecurring Basis Gains Losses	$ 0	$ (1,742,000)