Business Combinations (Details) (USD $)	0 Months Ended	3 Months Ended	6 Months Ended
	Jan. 02, 2014	Jun. 30, 2014	Jun. 30, 2014
Business Acquisition [Line Items]
Business Acquisition, Termination Fee			$ 10,000,000
Minimum
Business Acquisition [Line Items]
Business Acquisition, Termination Fee			6,500,000
Maximum
Business Acquisition [Line Items]
Business Acquisition, Termination Fee			22,600,000
1st Financial
Business Acquisition [Line Items]
Consideration transferred	10,000,000
Cash and cash equivalents	28,194,000
Investment securities available for sale	237,438,000
Loans held for sale	1,183,000
Restricted equity securities	3,776,000
Loans	316,327,000
Less: allowance for loan losses	0
Premises and equipment	2,686,000
Other real estate owned	11,591,000
Intangible asset	3,780,000
Other assets	16,346,000
Total assets acquired	621,321,000
Noninterest-bearing	152,444,000
Interest-bearing	479,427,000
Total deposits	631,871,000
Short-term borrowings	406,000
Other liabilities	3,559,000
Total liabilities assumed	635,836,000
Net assets acquired	14,515,000
Cash paid to shareholders	(2,000,000)
Cash paid to acquire TARP securities	(8,000,000)
Goodwill recorded for 1st Financial	24,515,000
Revenue generated		4,200,000	8,600,000
1st Financial | Minimum
Business Acquisition [Line Items]
Estimated merger costs	5,500,000
1st Financial | Maximum
Business Acquisition [Line Items]
Estimated merger costs	6,000,000
1st Financial | As recorded by 1st Financial
Business Acquisition [Line Items]
Cash and cash equivalents	28,194,000
Investment securities available for sale	246,890,000
Loans held for sale	1,183,000
Restricted equity securities	3,105,000
Loans	338,170,000
Less: allowance for loan losses	(7,796,000)
Premises and equipment	3,871,000
Other real estate owned	12,896,000
Intangible asset	0
Other assets	16,811,000
Total assets acquired	643,324,000
Noninterest-bearing	152,444,000
Interest-bearing	477,881,000
Total deposits	630,325,000
Short-term borrowings	406,000
Other liabilities	3,392,000
Total liabilities assumed	634,123,000
1st Financial | Fair value adjustments
Business Acquisition [Line Items]
Cash and cash equivalents	0
Investment securities available for sale	(9,452,000)
Loans held for sale	0
Restricted equity securities	671,000
Loans	(21,843,000)
Less: allowance for loan losses	7,796,000
Premises and equipment	(1,185,000)
Other real estate owned	(1,305,000)
Intangible asset	3,780,000
Other assets	(465,000)
Total assets acquired	(22,003,000)
Noninterest-bearing	0
Interest-bearing	1,546,000
Total deposits	1,546,000
Short-term borrowings	0
Other liabilities	167,000
Total liabilities assumed	1,713,000
Shares and Cash [Member]
Business Acquisition [Line Items]
Business Acquisition Equity Interests Issued or Issuable Cash Per Share			$ 50.00
Shares and Cash [Member] | Class A Common Stock
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			4.00
Shares Only [Member] | Class A Common Stock
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			3.58
Shares Only [Member] | Class B Common Stock
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares			0.42