Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of unrecognized tax benefits
Balance at Beginning of Period	$ 2,076,000	$ 2,766,000	$ 18,499,000
Additions for tax positions of prior years	0	0	1,543,000
Reductions as result of a lapse of applicable statutes of limitations	(505,000)	(690,000)	(1,298,000)
Settlements	0	0	(15,978,000)
Balance at End of Period	$ 1,571,000	$ 2,076,000	$ 2,766,000