Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Fair Value [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	$ 7,916,000	$ 1,900,000
Private Equity Investments Nonrecurring Basis	919,000	0
Mortgage servicing rights	843,000	503,000
Foreclosed assets	1,220,000	0
Long-lived assets	7,246,000	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	0	0
Private Equity Investments Nonrecurring Basis	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
Private Equity Investments Nonrecurring Basis	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	7,916,000	1,900,000
Private Equity Investments Nonrecurring Basis	919,000	0
Mortgage servicing rights	843,000	503,000
Foreclosed assets	1,220,000	0
Long-lived assets	7,246,000	0
Total Gains (Losses) Recognized During The Period [Member]
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Loans Nonrecurring Basis Gains Losses	(1,875,000)	(659,000)
Private Equity Investments Nonrecurring Basis Gains Losses	(1,081,000)	0
Mortgage Servicing Rights Nonrecurring Basis Gains Losses	(14,000)	(57,000)
Foreclosed Assets Nonrecurring Basis Gains Losses	(181,000)	0
Long Lived Assets Nonrecurring Basis Gains Losses	$ (1,408,000)	$ 0