Benefit Plans (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change in benefit obligation
Benefit obligation at beginning of year	$ 15,201	$ 15,414
Service cost	86	77	69
Interest cost	597	725	856
Benefits paid	(42)	(42)
Unrecognized prior service cost	0	(2,120)
Actuarial (gain) loss, net	(1,952)	1,147
Benefit obligation at end of year	13,890	15,201	15,414
Amounts recognized in the Consolidated Balance Sheets
Net liabilities included in other liabilities	(13,941)	(13,109)
Amounts recognized in accumulated other comprehensive income (loss)	$ 51	$ (2,092)