Fair Value of Financial Instruments (Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	$ 108,008	$ 115,184
HTM investment securities	67,140	67,022
Loans held-for-sale	350
Time deposits	136,759	187,256
Brokered deposits	41,815	29,286
Subordinated debt	9,750	9,750
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	19,490	22,103
AFS investment securities	108,008	115,184
HTM investment securities	67,140	67,022
Restricted stock	6,371	5,381
Loans, net of allowance, including impaired	814,159	812,156
Accrued interest receivable	3,791	3,567
Non-interest-bearing deposits	198,399	173,467
Interest-bearing deposits	494,355	495,178
Time deposits	136,759	187,256
Brokered deposits	41,815	29,286
Repurchase agreements	15,383	11,889
FHLBP advances	51,047	55,332
Junior subordinated debentures and other borrowings	9,279	9,279
Subordinated debt	9,750	9,750
Accrued interest payable	461	534
Estimated Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	19,490	22,103
AFS investment securities	108,008	115,184
HTM investment securities	67,229	66,124
Restricted stock	6,371	5,381
Loans, net of allowance, including impaired	802,324	792,190
Accrued interest receivable	3,791	3,567
Non-interest-bearing deposits	198,399	173,467
Interest-bearing deposits	494,355	495,178
Time deposits	136,106	186,012
Brokered deposits	42,786	28,873
Repurchase agreements	15,383	11,889
FHLBP advances	50,843	54,734
Junior subordinated debentures and other borrowings	9,037	8,637
Subordinated debt	11,295	10,493
Accrued interest payable	461	534
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	19,490	22,103
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	108,008	115,184
HTM investment securities	65,229	64,124
Restricted stock	6,371	5,381
Accrued interest receivable	3,791	3,567
Non-interest-bearing deposits	198,399	173,467
Interest-bearing deposits	494,355	495,178
Time deposits	136,106	186,012
Brokered deposits	42,786	28,873
Repurchase agreements	15,383	11,889
FHLBP advances	50,843	54,734
Junior subordinated debentures and other borrowings	9,037	8,637
Subordinated debt	11,295	10,493
Accrued interest payable	461	534
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
HTM investment securities	2,000	2,000
Loans, net of allowance, including impaired	$ 802,324	$ 792,190