Loans and Allowance For Credit Losses Loans (Schedule of Related Party Loans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Receivables [Abstract]
Loans and Leases Receivable, Related Parties	$ 55,092	$ 51,292	$ 43,899
Additions	17,641	37,947
Amounts collected	(13,992)	(30,203)
Other changes, net	$ 151	$ (351)