Short-Term Borrowings - Components of Federal Funds Purchased and Securities Sold (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Short-term Debt [Line Items]
Short-term borrowings (Note 10)	$ 4,576	$ 1,115
Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term borrowings (Note 10)	1,576	1,115
Line of Credit [Member]
Short-term Debt [Line Items]
Short-term borrowings (Note 10)	$ 3,000	$ 0