Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financial Assets:
Securities Held-to-Maturity	$ 0	$ 95
Loans, Net	1,899,787	1,549,909
FHLB Stock and Other Restricted Stock	13,048	8,571
Financial Liabilities:
Time Deposits	(422,958)	(306,036)
Level 1
Financial Assets:
Cash and Short-term Investments	34,734	36,062
Securities Held-to-Maturity		0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,817,656)	(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	16,304	15,947
Securities Held-to-Maturity		95
Loans, Net	0	0
Accrued Interest Receivable	3,391	2,722
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(422,360)	(305,965)
Short-term Borrowings	(148,254)	(177,717)
Long-term Debt	(120,674)	(90,473)
Accrued Interest Payable	(828)	(668)
Level 3
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity		0
Loans, Net	1,905,323	1,551,497
Accrued Interest Receivable	8,682	6,081
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(10,601)	(5,538)
Accrued Interest Payable	(8)	(8)
Carrying Value
Financial Assets:
Cash and Short-term Investments	51,038	52,009
Securities Held-to-Maturity		95
Loans, Net	1,898,673	1,548,934
FHLB Stock and Other Restricted Stock	13,048	8,571
Accrued Interest Receivable	12,073	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,817,656)	(1,520,340)
Time Deposits	(422,958)	(306,036)
Short-term Borrowings	(148,254)	(177,717)
Long-term Debt	(130,444)	(95,606)
Accrued Interest Payable	(836)	(676)
Total
Financial Assets:
Cash and Short-term Investments	51,038	52,009
Securities Held-to-Maturity		95
Loans, Net	1,905,323	1,551,497
Accrued Interest Receivable	12,073	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,817,656)	(1,520,340)
Time Deposits	(422,360)	(305,965)
Short-term Borrowings	(148,254)	(177,717)
Long-term Debt	(131,275)	(96,011)
Accrued Interest Payable	$ (836)	$ (676)