Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Receivables [Abstract]
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 15,940	$ 11,429	$ 9,426
Restructured Loans Subsequently Accruing	3,000
Ytd Restructured Loans Still On Nonaccrual	13,000
Loans and Leases Receivable, Impaired, Commitment to Lend	3,000
UnaccretedPurchaseDiscount	12,000	20,000
UnaccretedPurchaseDiscount_PerformingLoans	$ 12,000	18,000
Unaccreted Purchase Discount Nonperforming Loans	less than $1 million
UnaccretedPurchaseDiscount_NonPerformingLoans		$ 2,000