Allowance for Loan Losses Allowance for Loan Losses (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Financing Receivable, Modifications [Line Items]
Beginning Balance	$ 17,301	$ 21,285
Added	201	853
Charged Off	1,089	9
Payments	2,088	612
Ending Balance	14,325	21,517
Commercial
Financing Receivable, Modifications [Line Items]
Beginning Balance	12,327	16,474
Added	0	0
Charged Off	1,069	0
Payments	1,915	404
Ending Balance	9,343	16,070
Residential
Financing Receivable, Modifications [Line Items]
Beginning Balance	4,330	4,107
Added	133	780
Charged Off	0	0
Payments	101	140
Ending Balance	4,362	4,747
Consumer
Financing Receivable, Modifications [Line Items]
Beginning Balance	644	704
Added	68	73
Charged Off	20	9
Payments	72	68
Ending Balance	$ 620	$ 700