Loans And Allowance For Loan Losses Loans And Allowance For Loan Losses (Troubled Debt Restructurings by Type of Modification) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 81,502	$ 75,839
Performing/Accruing TDR - Commercial [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	56,238	50,904
Performing/Accruing TDR - Assistance programs [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	7,988	7,410
Performing/Accruing TDR - Consumer Bankruptcy [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	3,838	4,103
Performing/Accruing TDR - Other Consumer [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	3,885	3,663
TDR Non-accrual loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 9,553	$ 9,759