Fair Value Measurements (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity investment securities	$ 150,016	$ 100,483
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity investment securities	150,016	100,483
Deposits	1,236,604	1,026,830
Long-term debt	11,978	11,692
Subordinated debt	17,245	17,358
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net loans and leases	1,034,131	917,081
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity investment securities	153,321	101,356
Net loans and leases	1,028,290	902,798
Deposits	1,236,518	1,023,568
Long-term debt	12,241	12,352
Subordinated debt	17,342	17,338
Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity investment securities	150,016	100,483
Net loans and leases	1,034,131	917,081
Deposits	1,236,604	1,026,830
Long-term debt	11,978	11,692
Subordinated debt	$ 17,245	$ 17,358