Business Segment and Geographic Information (Reconciliation to Consolidated Statements of Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting [Abstract]
Operating Income (Loss)	$ 49,280	$ 25,664	$ 53,482
Equity income in unconsolidated joint ventures	4,326	4,743	5,451
Other income (expense), net	(1,240)	(208)	1,942
Net realized investment gain (loss)	0	(3,245)	(196)
Interest income (expense), net	(3,481)	(4,304)	(4,911)
Income (loss) before income tax expense (benefit)	$ 48,885	$ 22,650	$ 55,768