Guarantees (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Commitments to Extend Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	$ 235,549	$ 237,940	$ 215,498
Fair Value	0	0	0
Standby Letters of Credit [Member]
Loan Commitments and Letters of Credit [Line Items]
Notional Amount	3,333	3,345	3,562
Fair Value	$ 56	$ 65	$ 53