Fair Value (Carrying Amounts and Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	$ 108,889	$ 111,783
HTM investment securities	62,219	62,390
Loans held-for-sale	646	651
Time	115,214	140,490
Brokered deposits	61,598	41,812
Subordinated debt	9,750	9,750
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	14,078	10,917
AFS investment securities	108,889	111,783
HTM investment securities	62,219	62,390
Restricted stock	7,363	7,641
Loans held-for-sale	646	651
Loans, net of allowance, including impaired	858,200	840,054
Accrued interest receivable	3,982	3,822
Non-interest-bearing deposits	172,044	176,815
Other interest-bearing deposits	542,930	502,086
Time	115,214	140,490
Brokered deposits	61,598	41,812
Repurchase agreements	10,717	12,023
FHLBP advances	67,993	79,013
Junior subordinated debentures and other borrowings	9,279	9,279
Subordinated debt	9,750	9,750
Accrued interest payable	494	554
Estimated Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	14,078	10,917
AFS investment securities	108,889	111,783
HTM investment securities	61,004	62,420
Restricted stock	7,363	7,641
Loans held-for-sale	648	657
Loans, net of allowance, including impaired	847,545	821,672
Accrued interest receivable	3,982	3,822
Non-interest-bearing deposits	172,044	176,815
Other interest-bearing deposits	542,930	502,086
Time	113,940	139,406
Brokered deposits	60,033	42,304
Repurchase agreements	10,717	12,023
FHLBP advances	67,136	78,531
Junior subordinated debentures and other borrowings	9,798	9,373
Subordinated debt	9,423	9,577
Accrued interest payable	494	554
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	14,078	10,917
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	108,889	111,783
HTM investment securities	59,004	60,420
Restricted stock	7,363	7,641
Accrued interest receivable	3,982	3,822
Non-interest-bearing deposits	172,044	176,815
Other interest-bearing deposits	542,930	502,086
Time	113,940	139,406
Brokered deposits	60,033	42,304
Repurchase agreements	10,717	12,023
FHLBP advances	67,136	78,531
Junior subordinated debentures and other borrowings	9,798	9,373
Subordinated debt	9,423	9,577
Accrued interest payable	494	554
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
HTM investment securities	2,000	2,000
Loans held-for-sale	648	657
Loans, net of allowance, including impaired	$ 847,545	$ 821,672