Revenue Recognition Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue from Contracts with Customers [Line Items]
Insurance commissions	$ 40	$ 1,062	$ 1,821	$ 3,188
Noninterest Income, Other Operating Income	151	196	627	656
Non-interest income within the scope of other ASC topics	785	401	4,577	2,068
Noninterest Income	3,759	4,211	14,799	13,235
Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Insurance commissions	40	1,062	1,821	3,188
Noninterest Income, Other Operating Income	66	53	224	189
Total Revenue in ASC 606	2,974	3,810	10,222	11,167
Deposit Account [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,312	1,215	3,716	3,421
Deposit Account [Member] | Revenue in Scope ASC 606 [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	1,312	1,215	3,716	3,421
Credit and Debit Card [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	924	793	2,631	2,343
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	924	793	2,631	2,343
Fiduciary and Trust [Member]
Revenue from Contracts with Customers [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	632	687	1,830	2,026
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	$ 632	$ 687	$ 1,830	$ 2,026