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Borrowed Funds (Subordinated Debentures Owed to Unconsolidated Subsidiary Trusts) (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
trust
Dec. 31, 2021
USD ($)
[1]
Debt Instrument [Line Items]    
Number of statutory business trusts | trust 3  
Subordinated debentures owed to unconsolidated subsidiary trusts | $ $ 19,589 $ 19,589
Trust preferred securities limited to tier one capital elements, net of goodwill 25.00%  
[1] Derived from audited consolidated financial statements