Segment Information - Certain Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 279,398	$ 351,507	$ 819,192	$ 1,010,598	$ 1,349,405
Cost of revenues	173,107	223,782	537,536	664,247
Selling, general, and administrative expenses	40,373	46,257	115,609	131,912
Restructuring expenses	2,008	3,583	6,557	7,046
Loss (gain) on disposal and impairment of assets	814	637	1,847	3,101
Adjusted EBITDA	71,858	87,113	182,242	229,855
Capital expenditures	31,290	35,266	61,094	90,319
Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Cost of revenues	390	368	1,154	995
Selling, general, and administrative expenses	15,057	16,162	41,452	42,386
Restructuring expenses	0	449	267	3,299
Loss (gain) on disposal and impairment of assets	0	0	0	0
Adjusted EBITDA	(9,467)	(10,896)	(26,176)	(28,014)
Capital expenditures	0	3,233	0	12,373
Eliminations
Segment Reporting Information [Line Items]
Revenues	1,454	2,401	4,520	7,996
Cost of revenues	(1,454)	(2,542)	(4,520)	(8,004)
Selling, general, and administrative expenses	1	0	(226)	0
Restructuring expenses	0	0	0	0
Loss (gain) on disposal and impairment of assets	0	0	0	0
Adjusted EBITDA	19	152	51	56
Capital expenditures	0	0	0	0
North America
Segment Reporting Information [Line Items]
Revenues	190,271	222,329	567,277	636,663
North America | Operating Segments
Segment Reporting Information [Line Items]
Revenues	191,725	224,708	571,761	644,171
Cost of revenues	127,405	148,215	386,472	429,287
Selling, general, and administrative expenses	14,293	17,517	43,877	50,981
Restructuring expenses	0	799	1,205	1,012
Loss (gain) on disposal and impairment of assets	379	225	956	1,327
Adjusted EBITDA	50,077	58,977	141,417	163,904
Capital expenditures	22,028	18,723	41,689	41,873
North America | Eliminations
Segment Reporting Information [Line Items]
Revenues	(1,454)	(2,379)	(4,484)	(7,508)
Europe & Africa
Segment Reporting Information [Line Items]
Revenues	69,906	104,686	200,162	298,615
Europe & Africa | Operating Segments
Segment Reporting Information [Line Items]
Revenues	69,906	104,708	200,198	299,103
Cost of revenues	32,815	60,477	117,261	187,429
Selling, general, and administrative expenses	8,986	10,292	24,965	31,745
Restructuring expenses	1,894	2,335	4,971	2,735
Loss (gain) on disposal and impairment of assets	436	457	912	1,874
Adjusted EBITDA	27,994	33,939	57,908	79,930
Capital expenditures	8,706	12,638	18,302	32,538
Europe & Africa | Eliminations
Segment Reporting Information [Line Items]
Revenues	0	(22)	(36)	(488)
Australia & New Zealand
Segment Reporting Information [Line Items]
Revenues	19,221	24,492	51,753	75,320
Australia & New Zealand | Operating Segments
Segment Reporting Information [Line Items]
Revenues	19,221	24,492	51,753	75,320
Cost of revenues	13,951	17,264	37,169	54,540
Selling, general, and administrative expenses	2,036	2,286	5,541	6,800
Restructuring expenses	114	0	114	0
Loss (gain) on disposal and impairment of assets	(1)	(45)	(21)	(100)
Adjusted EBITDA	3,235	4,941	9,042	13,979
Capital expenditures	556	672	1,103	3,535
Australia & New Zealand | Eliminations
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0