Segment Reporting (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	$ 1,244,765		$ 1,244,765		$ 1,270,018
Revenues
Revenue	162,123	$ 169,987	316,993	$ 333,254
United States
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	506,981		506,981		515,649
Revenues
Revenue	90,855	99,243
Revenue			181,554	192,473
Canada
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	397,825		397,825		404,185
Revenues
Revenue	11,946	0
Revenue			22,892	0
Mexico
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	332,113		332,113		342,007
Revenues
Revenue	59,322	$ 70,744
Revenue			112,547	$ 140,781
Other Foreign Countries [Member]
Long Lived Assets
Long Lived Assets in Entity's Country of Domicile	$ 7,846		$ 7,846		$ 8,177