Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Collateral Dependent Impaired Loans	$ 12,066	$ 135
Loans Nonrecurring Basis Gains (Losses)	(3,079)	(58)
Mortgage servicing rights	5,625	6,730
Mortgage Servicing Rights Nonrecurring Basis Gains (Losses)	(1,851)	(309)
Long-lived assets	348	820
Long Lived Assets Nonrecurring Basis Gains (Losses)	(5)	(318)
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
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
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	12,066	135
Mortgage servicing rights	5,625	6,730
Long-lived assets	$ 348	$ 820