Loans and Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Financing Receivable [Line Items]
Allowance for Loan and Lease Losses, Write-offs	$ 1,970	$ 1,724	$ 5,980	$ 10,836
Allowance for Loan Losses, Recovery	1,199	2,376	4,768	8,206
Allowance for Loan and Lease Losses, Net Write-downs	$ 771	$ (652)	$ 1,212	$ 2,630
Loans and Leases Receivable, Ratio, Allowance for Loan and Lease Losses to Loans and Leases Receivables	1.63%	2.12%	1.63%	2.12%	2.21%