Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Financial Assets:
Loans, Net	$ 1,968,406	$ 1,975,147
FHLB Stock and Other Restricted Stock	13,048	13,048
Financial Liabilities:
Time Deposits	(363,835)	(378,181)
Level 1
Financial Assets:
Cash and Short-term Investments	30,151	48,467
Securities Held-to-Maturity	0	0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,962,637)	(1,971,370)
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	0	0
Accrued Interest Payable	0	0
Level 2
Financial Assets:
Cash and Short-term Investments	7,288	16,349
Securities Held-to-Maturity	0	0
Loans, Net	0	0
Accrued Interest Receivable	3,660	3,289
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(362,964)	(378,000)
Short-term Borrowings	(96,569)	(137,554)
Long-term Debt	(133,465)	(109,709)
Accrued Interest Payable	(722)	(775)
Level 3
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity	0	0
Loans, Net	1,968,693	1,980,523
Accrued Interest Receivable	8,156	8,124
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(10,859)	(10,793)
Accrued Interest Payable	(14)	(14)
Carrying Value
Financial Assets:
Cash and Short-term Investments	37,439	64,816
Securities Held-to-Maturity	0	0
Loans, Net	1,966,954	1,974,074
FHLB Stock and Other Restricted Stock	13,048	13,048
Accrued Interest Receivable	11,816	11,413
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,962,637)	(1,971,370)
Time Deposits	(363,835)	(378,181)
Short-term Borrowings	(96,569)	(137,554)
Long-term Debt	(144,789)	(120,560)
Accrued Interest Payable	(736)	(789)
Total
Financial Assets:
Cash and Short-term Investments	37,439	64,816
Securities Held-to-Maturity	0	0
Loans, Net	1,968,693	1,980,523
Accrued Interest Receivable	11,816	11,413
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,962,637)	(1,971,370)
Time Deposits	(362,964)	(378,000)
Short-term Borrowings	(96,569)	(137,554)
Long-term Debt	(144,324)	(120,502)
Accrued Interest Payable	$ (736)	$ (789)