Loans, Loans Modified in a Troubled Debt Restructuring (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	88	77	85
Recorded Investment(a)	$ 18,216	$ 36,154	$ 15,940
Unpaid Principal Balance(b)	$ 24,201	$ 37,125	$ 16,150
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	4	7	6
Recorded Investment(a)	$ 610	$ 1,823	$ 7,588
Unpaid Principal Balance(b)	$ 610	$ 2,059	$ 7,703
Commercial real estate - owner occupied
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	0	4	0
Recorded Investment(a)	$ 0	$ 658	$ 0
Unpaid Principal Balance(b)	$ 0	$ 689	$ 0
Commercial real estate - investor
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	6	10	0
Recorded Investment(a)	$ 4,259	$ 26,563	$ 0
Unpaid Principal Balance(b)	$ 10,166	$ 26,567	$ 0
Real estate construction
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	0	0	1
Recorded Investment(a)	$ 0	$ 0	$ 77
Unpaid Principal Balance(b)	$ 0	$ 0	$ 77
Residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	69	36	53
Recorded Investment(a)	$ 12,415	$ 6,031	$ 7,436
Unpaid Principal Balance(b)	$ 12,463	$ 6,113	$ 7,517
Home equity
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	9	20	24
Recorded Investment(a)	$ 932	$ 1,078	$ 831
Unpaid Principal Balance(b)	$ 963	$ 1,697	$ 845
Other consumer
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	0	0	1
Recorded Investment(a)	$ 0	$ 0	$ 8
Unpaid Principal Balance(b)	$ 0	$ 0	$ 8