Business Combinations (Details) (USD $)	3 Months Ended		0 Months Ended	3 Months Ended	0 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jan. 02, 2014 1st Financial	Mar. 31, 2014 1st Financial	Jan. 02, 2014 1st Financial Minimum	Jan. 02, 2014 1st Financial Maximum	Jan. 02, 2014 1st Financial As recorded by 1st Financial	Jan. 02, 2014 1st Financial Fair value adjustments
Business Acquisition [Line Items]
Consideration transferred			$ 10,000,000
Cash and cash equivalents			28,194,000				28,194,000	0
Investment securities available for sale			237,438,000				246,890,000	(9,452,000)
Loans held for sale			1,183,000				1,183,000	0
Restricted equity securities			3,776,000				3,105,000	671,000
Loans			316,327,000				338,170,000	(21,843,000)
Less: allowance for loan losses			0				(7,796,000)	7,796,000
Premises and equipment			2,686,000				3,871,000	(1,185,000)
Other real estate owned			11,591,000				12,896,000	(1,305,000)
Intangible asset			3,780,000				0	3,780,000
Other assets			16,346,000				16,811,000	(465,000)
Total assets acquired			621,321,000				643,324,000	(22,003,000)
Noninterest-bearing			152,444,000				152,444,000	0
Interest-bearing			479,427,000				477,881,000	1,546,000
Total deposits			631,871,000				630,325,000	1,546,000
Short-term borrowings			406,000				406,000	0
Other liabilities			3,559,000				3,392,000	167,000
Total liabilities assumed			635,836,000				634,123,000	1,713,000
Net assets acquired			14,515,000
Cash paid to shareholders	18,194,000	0	(2,000,000)
Cash paid to acquire TARP securities			(8,000,000)
Goodwill recorded for 1st Financial			24,515,000
Estimated merger costs					6,000,000	7,000,000
Revenue generated				$ 6,900,000