Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Industrial Assets Guaranteed Under Contract [Member]
Guarantor Obligations [Line Items]
Assets guaranteed under contract	$ 25,267	$ 85,967
Percentage of assets expected to be sold	100.00%	100.00%
Agricultural Assets Guaranteed Under Contract [Member]
Guarantor Obligations [Line Items]
Assets guaranteed under contract	$ 30,509	$ 15,793
Percentage of assets expected to be sold	100.00%	100.00%