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Summary of Significant Accounting Policies (Adoption Impact of ASU 2016-13) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance $ 150,044 $ 220,834 $ 139,643 $ 160,682 $ 159,932
Balance, Asset 150,044 220,834   160,682  
Off-Balance Sheet, Credit Loss, Liability 24,204 38,307 17,165 1,075  
Loans and Leases Receivable and Liability for Unfunded Lending Commitments, Allowance     156,808 161,757  
Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (21,039)    
Off-Balance Sheet, Credit Loss, Liability     16,090    
Financing Receivable, Allowance for Credit Losses and Liability for Unfunded Lending Commitments     (4,949)    
Commercial Portfolio Segment [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     62,049 91,760 92,869
Balance, Asset 97,776 121,549   91,760  
Off-Balance Sheet, Credit Loss, Liability 23,271 37,259   399  
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (29,711)    
Commercial Portfolio Segment [Member] | Business [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     37,940 44,268  
Commercial Portfolio Segment [Member] | Business [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (6,328)    
Commercial Portfolio Segment [Member] | Real Estate - Construction And Land [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     9,204 21,589  
Commercial Portfolio Segment [Member] | Real Estate - Construction And Land [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (12,385)    
Commercial Portfolio Segment [Member] | Real Estate - Business [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     14,905 25,903  
Commercial Portfolio Segment [Member] | Real Estate - Business [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (10,998)    
Personal Banking Portfolio Segment [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     77,594 68,922 $ 67,063
Balance, Asset 52,268 99,285   68,922  
Off-Balance Sheet, Credit Loss, Liability $ 933 $ 1,048   676  
Personal Banking Portfolio Segment [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     8,672    
Personal Banking Portfolio Segment [Member] | Real Estate - Personal [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     4,855 3,125  
Personal Banking Portfolio Segment [Member] | Real Estate - Personal [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     1,730    
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     14,518 15,932  
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     (1,414)    
Personal Banking Portfolio Segment [Member] | Revolving Home Equity [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     1,624 638  
Personal Banking Portfolio Segment [Member] | Revolving Home Equity [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     986    
Personal Banking Portfolio Segment [Member] | Consumer Credit Card [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     56,495 47,997  
Personal Banking Portfolio Segment [Member] | Consumer Credit Card [Member] | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     8,498    
Personal Banking Portfolio Segment [Member] | Overdrafts [Member]          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loans and Leases Receivable, Allowance     102 $ 1,230  
Personal Banking Portfolio Segment [Member] | Bank Overdrafts | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Balance, Asset     $ (1,128)