Loans (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Abstract]
Risk rate loans, aggregate balance threshold	$ 2,500,000
Risk rate loans, loan balance threshold	500,000
Troubled debt restructurings included in impaired loans	27,800,000	$ 27,000,000
Current Troubled debt restructurings included in impaired loans	$ 25,200,000	$ 26,600,000
Number of days past due to be considered in default	30 days