Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Losses carried forward	$ 301,339	$ 295,320
Unpaid loss and loss adjustment expenses and unearned premiums	5,609	5,314
Deferred Tax Assets, Investments	1,828	449
Debt issuance costs	1,135	1,941
Deferred Tax Assets, Debt Issuance Costs	1,621	983
Intangible assets	385	297
Deferred revenue	0	117
Other	1,134	738
Valuation allowance	(276,590)	(283,636)
Deferred income tax assets	37,856	21,695
Deferred Tax Liabilities, Property, Plant and Equipment	28,620	0
Fair value of debt	12,100	17,205
Land	4,627	4,129
Investments	(5,969)	(360)
Deferred acquisition costs	7,181	0
Deferred income tax liabilities	86,576	24,619
Net deferred income tax liabilities	48,720	2,924
Leasing Arrangement [Member]
Intangible assets	$ 1,395	$ 172