Revenue Recognition Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue from Contracts with Customers [Line Items]
Noninterest Income, Other Operating Income	$ 168	$ 113	$ 413	$ 367
Non-interest income within the scope of other ASC topics	839	3,097	3,886	5,530
Noninterest Income	4,567	6,207	14,256	14,307
Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Noninterest Income, Other Operating Income	163	113	432	367
Total Revenue in ASC 606	3,728	3,110	10,370	8,777
Deposit Account [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,338	1,138	3,530	3,283
Deposit Account [Member] | Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,338	1,138	3,530	3,283
Credit and Debit Card [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,509	1,237	4,369	3,257
Credit and Debit Card [Member] | Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,509	1,237	4,369	3,257
Fiduciary and Trust [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	718	622	2,039	1,870
Fiduciary and Trust [Member] | Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 718	$ 622	$ 2,039	$ 1,870