Segment Information - Certain Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 233,192	$ 340,821	$ 539,794	$ 659,091	$ 1,349,405
Cost of revenues	158,707	222,382	364,429	440,465
Selling, general, and administrative expenses	32,858	41,995	75,236	85,655
Restructuring expenses	3,340	3,463	4,549	3,463
Loss (gain) on disposal and impairment of assets	112	1,496	1,033	2,464
Adjusted EBITDA	46,670	81,714	110,384	142,742
Capital expenditures	11,375	25,746	29,804	55,053
Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Cost of revenues	203	366	764	627
Selling, general, and administrative expenses	12,073	12,817	26,394	26,224
Restructuring expenses	58	2,850	267	2,850
Loss (gain) on disposal and impairment of assets	0	0	0	0
Adjusted EBITDA	(7,248)	(7,934)	(16,709)	(17,118)
Capital expenditures	0	0	0	0
Eliminations
Segment Reporting Information [Line Items]
Revenues	1,414	2,682	3,066	5,595
Cost of revenues	(1,414)	(2,606)	(3,066)	(5,462)
Selling, general, and administrative expenses	(226)	0	(226)	0
Restructuring expenses	0	0	0	0
Loss (gain) on disposal and impairment of assets	0	0	0	0
Adjusted EBITDA	240	(56)	32	(96)
Capital expenditures	0	0	0	0
North America
Segment Reporting Information [Line Items]
Revenues	172,625	212,670	377,006	414,334
North America | Operating Segments
Segment Reporting Information [Line Items]
Revenues	174,039	215,215	380,036	419,463
Cost of revenues	119,163	143,164	259,067	281,072
Selling, general, and administrative expenses	12,535	16,198	29,584	33,464
Restructuring expenses	1,205	213	1,205	213
Loss (gain) on disposal and impairment of assets	134	778	577	1,102
Adjusted EBITDA	42,341	55,852	91,340	104,927
Capital expenditures	7,474	14,715	19,661	32,290
North America | Eliminations
Segment Reporting Information [Line Items]
Revenues	(1,414)	(2,545)	(3,030)	(5,129)
Europe & Africa
Segment Reporting Information [Line Items]
Revenues	48,392	103,333	130,256	193,929
Europe & Africa | Operating Segments
Segment Reporting Information [Line Items]
Revenues	48,392	103,470	130,292	194,395
Cost of revenues	31,812	63,543	84,446	126,952
Selling, general, and administrative expenses	6,918	10,707	15,979	21,453
Restructuring expenses	2,077	400	3,077	400
Loss (gain) on disposal and impairment of assets	(19)	746	476	1,417
Adjusted EBITDA	9,663	29,223	29,914	45,991
Capital expenditures	3,729	9,652	9,596	19,900
Europe & Africa | Eliminations
Segment Reporting Information [Line Items]
Revenues	0	(137)	(36)	(466)
Australia & New Zealand
Segment Reporting Information [Line Items]
Revenues	12,175	24,818	32,532	50,828
Australia & New Zealand | Operating Segments
Segment Reporting Information [Line Items]
Revenues	12,175	24,818	32,532	50,828
Cost of revenues	8,943	17,915	23,218	37,276
Selling, general, and administrative expenses	1,558	2,273	3,505	4,514
Restructuring expenses	0	0	0	0
Loss (gain) on disposal and impairment of assets	(3)	(28)	(20)	(55)
Adjusted EBITDA	1,674	4,629	5,807	9,038
Capital expenditures	172	1,379	547	2,863
Australia & New Zealand | Eliminations
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0