Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	$ 1,270,018				$ 1,084,306				$ 1,270,018	$ 1,084,306
Revenues
Revenue	143,855	$ 148,795	$ 169,987	$ 163,267	214,585	$ 159,919	$ 149,540	$ 185,554	625,904	709,598	$ 571,897
United States
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	515,649				377,768				515,649	377,768
Revenues
Revenue									371,248	433,050	423,216
Canada
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	404,185				331,440				404,185	331,440
Revenues
Revenue									8,900	0	0
Mexico
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	342,007				370,188				342,007	370,188
Revenues
Revenue									245,756	274,809	142,198
Australia
Revenues
Revenue									0	1,739	4,128
Other Foreign Countries [Member]
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	$ 8,177				$ 4,910				8,177	4,910
Revenues
Revenue									$ 0	$ 0	$ 2,355