Business and Segment Reporting (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Segment Reporting Information [Line Items]
Total assets	$ 3,440,897	$ 3,644,494	$ 3,994,724
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total assets	2,905,747		3,377,961
Restricted Stock [Member]
Segment Reporting Information [Line Items]
Total assets	140,879		0
Corporate Assets [Member]
Segment Reporting Information [Line Items]
Total assets	296,345		570,632
Unallocated Amount To Segment [Member]
Segment Reporting Information [Line Items]
Total assets	$ 97,926		$ 46,131