Loans and Credit Quality - Analysis Of Loan Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Loans and Leases Receivable, Related Parties [Roll Forward]
Balance, beginning of the year	$ 0	$ 0	$ 90
Loans made	309	0	0
Repayments	0	0	90
Balance, end of year	$ 309	$ 0	$ 0