Borrowed Funds (Long-term Borrowings) (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Debt Disclosure [Abstract]
Long-term borrowings	$ 46,215	$ 46,670	$ 75,103
Basis spread on variable rate	0.50%
Average interest rate paid on long-term borrowings	4.26%		4.41%