Revenue Recognition Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contracts with Customers [Line Items]
Insurance commissions	$ 202	$ 1,911	$ 4,320
Noninterest Income, Other Operating Income	466	440	254
Non-interest income within the scope of other ASC topics	7,939	5,806	2,420
Noninterest Income	20,083	19,203	17,422
Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Insurance commissions	202	1,911	4,320
Noninterest Income, Other Operating Income	365	292	246
Total Revenue in ASC 606	12,144	13,397	15,002
Deposit Account [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	4,588	5,094	4,631
Deposit Account [Member] | Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	4,588	5,094	4,631
Credit and Debit Card [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	4,494	3,536	3,152
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	4,494	3,536	3,152
Fiduciary and Trust [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	2,495	2,564	2,653
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	$ 2,495	$ 2,564	$ 2,653