Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits - opening balance	$ 34,301	$ 35,663	$ 55,325
Gross increases - tax positions in prior period	1,835	13	2,950
Gross decreases - tax positions in prior period	(106)	(2,152)	(22,698)
Gross increases - current-period tax positions	528	896	651
Settlements with taxing authorities	(17)	(119)	(565)
FAFC indemnification release	(13,147)	0	0
Expiration of the statute of limitations for the assessment of taxes	(2,215)	0	0
Unrecognized tax benefits - ending balance	$ 21,179	$ 34,301	$ 35,663