Fair Value of Financial Instruments (Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	$ 109,900	$ 115,184
HTM investment securities	67,249	67,022
Time deposits	147,110	187,256
Brokered deposits	29,811	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	36,189	22,103
AFS investment securities	109,900	115,184
HTM investment securities	67,249	67,022
Restricted stock	6,566	5,381
Loans, net of allowance, including impaired	811,258	812,156
Accrued interest receivable	3,558	3,567
Non-interest-bearing deposits	181,529	173,467
Interest-bearing deposits	534,609	495,178
Time deposits	147,110	187,256
Brokered deposits	29,811	29,286
Repurchase agreements	15,700	11,889
FHLBP advances	49,869	55,332
Junior subordinated debentures and other borrowings	9,279	9,279
Subordinated debt	9,750	9,750
Accrued interest payable	552	534
Estimated Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	36,189	22,103
AFS investment securities	109,900	115,184
HTM investment securities	67,388	66,124
Restricted stock	6,566	5,381
Loans, net of allowance, including impaired	791,963	792,190
Accrued interest receivable	3,558	3,567
Non-interest-bearing deposits	181,529	173,467
Interest-bearing deposits	534,609	495,178
Time deposits	146,425	186,012
Brokered deposits	30,659	28,873
Repurchase agreements	15,700	11,889
FHLBP advances	49,845	54,734
Junior subordinated debentures and other borrowings	9,012	8,637
Subordinated debt	11,295	10,493
Accrued interest payable	552	534
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	36,189	22,103
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
AFS investment securities	109,900	115,184
HTM investment securities	65,388	64,124
Restricted stock	6,566	5,381
Accrued interest receivable	3,558	3,567
Non-interest-bearing deposits	181,529	173,467
Interest-bearing deposits	534,609	495,178
Time deposits	146,425	186,012
Brokered deposits	30,659	28,873
Repurchase agreements	15,700	11,889
FHLBP advances	49,845	54,734
Junior subordinated debentures and other borrowings	9,012	8,637
Subordinated debt	11,295	10,493
Accrued interest payable	552	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	$ 791,963	$ 792,190