Loans and Allowance for Credit Losses (Details 4) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	13
Premodification outstanding recorded investment	$ 0	$ 14,188
Postmodification outstanding recorded investment	0	14,201
Related allowance	0	120
Troubled Debt Restructurings [Member] | Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	3
Premodification outstanding recorded investment	0	218
Postmodification outstanding recorded investment	0	218
Related allowance	0	0
Troubled Debt Restructurings [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	6
Premodification outstanding recorded investment	0	11,758
Postmodification outstanding recorded investment	0	11,772
Related allowance	0	38
Troubled Debt Restructurings [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	4
Premodification outstanding recorded investment	0	2,212
Postmodification outstanding recorded investment	0	2,211
Related allowance	0	82
Troubled Debt Restructurings [Member] | Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	0
Premodification outstanding recorded investment	0	0
Postmodification outstanding recorded investment	0	0
Related allowance	0	0
Troubled Debt Restructurings [Member] | Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts	0	0
Premodification outstanding recorded investment	0	0
Postmodification outstanding recorded investment	0	0
Related allowance	$ 0	$ 0