Commitments And Contingencies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments And Contingencies [Abstract]
Rent expense	$ 3,300,000	$ 2,800,000	$ 2,500,000
Rental charged to subtenants	326,000	315,000	306,000
Future minimum payments due from subtenants	$ 171,000