Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Financial Assets:
Securities Held-to-Maturity	$ 0	$ 95
Loans, Net	1,945,251	1,549,909
FHLB Stock and Other Restricted Stock	13,048	8,571
Financial Liabilities:
Time Deposits	(390,836)	(306,036)
Level 1
Financial Assets:
Cash and Short-term Investments	36,027	36,062
Securities Held-to-Maturity		0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,886,536)	(1,520,340)
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	19,857	15,947
Securities Held-to-Maturity		95
Loans, Net	0	0
Accrued Interest Receivable	3,220	2,722
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(390,532)	(305,965)
Short-term Borrowings	(152,829)	(177,717)
Long-term Debt	(115,551)	(90,473)
Accrued Interest Payable	(819)	(668)
Level 3
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity		0
Loans, Net	1,948,410	1,551,497
Accrued Interest Receivable	7,307	6,081
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(10,654)	(5,538)
Accrued Interest Payable	(31)	(8)
Carrying Value
Financial Assets:
Cash and Short-term Investments	55,884	52,009
Securities Held-to-Maturity		95
Loans, Net	1,944,168	1,548,934
FHLB Stock and Other Restricted Stock	13,048	8,571
Accrued Interest Receivable	10,527	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,886,536)	(1,520,340)
Time Deposits	(390,836)	(306,036)
Short-term Borrowings	(152,829)	(177,717)
Long-term Debt	(125,385)	(95,606)
Accrued Interest Payable	(850)	(676)
Total
Financial Assets:
Cash and Short-term Investments	55,884	52,009
Securities Held-to-Maturity		95
Loans, Net	1,948,410	1,551,497
Accrued Interest Receivable	10,527	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,886,536)	(1,520,340)
Time Deposits	(390,532)	(305,965)
Short-term Borrowings	(152,829)	(177,717)
Long-term Debt	(126,205)	(96,011)
Accrued Interest Payable	$ (850)	$ (676)