Fair Value Measurement (Fair Value, by Balance Sheet Grouping) (Details) - USD ($)		Mar. 31, 2020	Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale investment securities		$ 27,420,000	$ 37,009,000
Held-to-maturity investment securities		170,399,000	137,476,000
Net loans and leases		373,225,000	414,498,000
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		140,758,000	139,030,000
Available-for-sale investment securities		27,420,000	37,009,000
Held-to-maturity investment securities		167,963,000	136,477,000
Equity securities		515,000	507,000
Loans held for sale		15,534,000	8,422,000
Net loans and leases		1,788,135,000	1,753,241,000
Restricted investment in bank stocks		4,555,000	4,902,000
Accrued interest receivable		8,786,000	2,810,000
Deposits		1,973,281,000	1,912,394,000
Long-term debt	[1]	19,834,000	29,352,000
Subordinated debt		42,059,000	27,070,000
Accrued interest payable		2,478,000	2,208,000
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		140,758,000	139,030,000
Available-for-sale investment securities		27,420,000	37,009,000
Held-to-maturity investment securities		170,399,000	137,476,000
Equity securities		515,000	507,000
Loans held for sale		15,793,000	8,630,000
Net loans and leases		1,855,681,000	1,789,402,000
Restricted investment in bank stocks		4,555,000	4,902,000
Accrued interest receivable		8,786,000	2,810,000
Deposits		1,984,080,000	1,916,624,000
Long-term debt	[1]	21,774,000	30,216,000
Subordinated debt		40,578,000	25,273,000
Accrued interest payable		$ 2,478,000	$ 2,208,000

[1] Long-term debt excludes finance lease obligations.