Fair Value of Financial Instruments (Fair Value, by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets
Investment securities - AFS	$ 131,288	$ 119,976
Investment securities - HTM	90,035	93,745
Equity securities carried at fair value through income	4,665	4,428
Non-marketable equity securities in other financial institutions	209	209
FHLB stock	4,510	3,821
Loans receivable	1,383,237	1,298,465
Accrued Interest Receivable	5,213	4,957
Investments in BOLI	36,958	36,295
Liabilities
Savings, NOW and money market accounts	1,125,224	982,600
Time deposits	437,289	446,683
Short term borrowings	15,033	35,016
Long-term debt	55,708	20,568
TRUPs	10,362	10,924
Subordinated notes	23,068	23,085
Carrying Amount [Member]
Assets
Investment securities - AFS	131,288	119,976
Investment securities - HTM	88,654	96,271
Equity securities carried at fair value through income	4,665	4,428
Non-marketable equity securities in other financial institutions	209	209
FHLB stock	4,510	3,821
Loans receivable	1,405,856	1,337,129
Accrued Interest Receivable	5,213	4,957
Investments in BOLI	36,958	36,295
Liabilities
Savings, NOW and money market accounts	1,125,224	982,600
Time deposits	434,736	447,029
Short term borrowings	15,000	35,000
Long-term debt	55,387	20,436
TRUPs	12,000	12,000
Subordinated notes	23,000	23,000
Fair Value, Inputs, Level 1 [Member]
Assets
Investment securities - HTM	1,494	999
Fair Value, Inputs, Level 2 [Member]
Assets
Investment securities - AFS	131,288	119,976
Investment securities - HTM	88,541	92,746
Equity securities carried at fair value through income	4,665	4,428
Non-marketable equity securities in other financial institutions	209	209
FHLB stock	4,510	3,821
Accrued Interest Receivable	5,213	4,957
Investments in BOLI	36,958	36,295
Liabilities
Savings, NOW and money market accounts	1,125,224	982,600
Time deposits	437,289	446,683
Short term borrowings	15,033	35,016
Long-term debt	55,708	20,568
TRUPs	10,362	10,924
Subordinated notes	23,068	23,085
Fair Value, Inputs, Level 3 [Member]
Assets
Loans receivable	$ 1,383,237	$ 1,298,465