Loans (Schedule of Recorded Investment of Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Modifications [Line Items]
Total		$ 224	$ 282
Performing
Financing Receivable, Modifications [Line Items]
Total		124	149
Non-Accrual
Financing Receivable, Modifications [Line Items]
Total	[1]	100	133
Commercial and Industrial Loans and Leases
Financing Receivable, Modifications [Line Items]
Total		224	258
Commercial and Industrial Loans and Leases | Performing
Financing Receivable, Modifications [Line Items]
Total		124	125
Commercial and Industrial Loans and Leases | Non-Accrual
Financing Receivable, Modifications [Line Items]
Total	[1]	100	133
Commercial Real Estate Loans
Financing Receivable, Modifications [Line Items]
Total		0	24
Commercial Real Estate Loans | Performing
Financing Receivable, Modifications [Line Items]
Total		0	24
Commercial Real Estate Loans | Non-Accrual
Financing Receivable, Modifications [Line Items]
Total	[1]	$ 0	$ 0

[1] The non-accrual troubled debt restructurings are included in the Non-Accrual Loan table presented on a previous page.