Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financial Assets:
Securities Held-to-Maturity	$ 0	$ 95
Loans, Net	1,987,226	1,549,909
FHLB Stock and Other Restricted Stock	13,048	8,571
Financial Liabilities:
Time Deposits	(433,521)	(306,036)
Level 1
Financial Assets:
Cash and Short-term Investments	38,329	36,062
Securities Held-to-Maturity		0
Loans, Net	0	0
Accrued Interest Receivable	0	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,896,142)	(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	17,199	15,947
Securities Held-to-Maturity		95
Loans, Net	0	0
Accrued Interest Receivable	3,472	2,722
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(432,327)	(305,965)
Short-term Borrowings	(158,528)	(177,717)
Long-term Debt	(110,278)	(90,473)
Accrued Interest Payable	(711)	(668)
Level 3
Financial Assets:
Cash and Short-term Investments	0	0
Securities Held-to-Maturity		0
Loans, Net	1,989,264	1,551,497
Accrued Interest Receivable	7,976	6,081
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(10,665)	(5,538)
Accrued Interest Payable	(13)	(8)
Carrying Value
Financial Assets:
Cash and Short-term Investments	55,528	52,009
Securities Held-to-Maturity		95
Loans, Net	1,985,991	1,548,934
FHLB Stock and Other Restricted Stock	13,048	8,571
Accrued Interest Receivable	11,448	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,896,142)	(1,520,340)
Time Deposits	(433,521)	(306,036)
Short-term Borrowings	(158,528)	(177,717)
Long-term Debt	(120,582)	(95,606)
Accrued Interest Payable	(724)	(676)
Total
Financial Assets:
Cash and Short-term Investments	55,528	52,009
Securities Held-to-Maturity		95
Loans, Net	1,989,264	1,551,497
Accrued Interest Receivable	11,448	8,803
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(1,896,142)	(1,520,340)
Time Deposits	(432,327)	(305,965)
Short-term Borrowings	(158,528)	(177,717)
Long-term Debt	(120,943)	(96,011)
Accrued Interest Payable	$ (724)	$ (676)