Loans and Allowance for Loan Losses, Information Regarding Nonperforming Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Loans and Allowance for Loan Losses [Abstract]
Nonaccrual loans		$ 2,470	$ 2,615
Troubled-debt restructurings	[1]	1,012	0
Accruing loans 90 or more days past due		1,097	0
Total nonperforming loans		4,579	2,615
Troubled Debt Restructurings [Abstract]
TDR's loans impaired		2,900	0
Commercial & Industrial [Member]
Loans and Allowance for Loan Losses [Abstract]
Accruing loans 90 or more days past due		0	0
Troubled Debt Restructurings [Abstract]
TDR's loans impaired		$ 2,350	$ 501

[1] $2.35 million and $501,000 of TDRs as of March 31, 2019 and December 31, 2018, respectively, are included in the nonaccrual loans balance in the line above.