Loans (Interest written off on nonaccrual loans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator - narrative [Line Items]
Interest written off on nonaccrual loans	$ 673	$ 2,000	$ 1,671
Commercial Portfolio Segment
Financing Receivable, Credit Quality Indicator - narrative [Line Items]
Interest written off on nonaccrual loans	628	1,972	1,475
Consumer
Financing Receivable, Credit Quality Indicator - narrative [Line Items]
Interest written off on nonaccrual loans	$ 45	$ 28	$ 196