Employee Benefit Plans (Changes in SERP Balances) (Details) (Supplemental Executive Retirement Plan [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Executive Retirement Plan [Member]
Changes in SERP balances [Roll Forward]
Balance at beginning of period	$ 2,283	$ 2,067	$ 2,019
Service cost	81	77	83
Interest cost	156	139	129
Distribution	0	0	(164)
Balance at end of period	$ 2,520	$ 2,283	$ 2,067