Short-Term Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Short-term borrowings, amount	$ 30,541	$ 37,387
Short-term borrowings, interest rate	0.61%	0.48%
Line of credit [Member]
Short-term Debt [Line Items]
Short-term borrowings, amount	$ 17,310	$ 13,187
Short-term borrowings, interest rate	1.00%	1.00%
FHLB short-term advance [Member]
Short-term Debt [Line Items]
Short-term borrowings, amount	$ 0	$ 10,000
Short-term borrowings, interest rate	0.00%	0.35%
Repurchase agreements [Member]
Short-term Debt [Line Items]
Short-term borrowings, amount	$ 13,231	$ 14,200
Short-term borrowings, interest rate	0.10%	0.10%