Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Revenues	$ 340,175	$ 401,950	$ 1,017,346	$ 1,144,634
Cost of revenues:
Cost of revenues	225,529	260,056	679,220	764,218
Operating expenses:
Selling, general, and administrative expenses	41,896	46,132	124,564	131,551
Redomicile-related expenses		22		782
Restructuring expenses	1,058		5,534	8,243
Acquisition and divestiture-related expenses		2,889	2,633	15,338
Goodwill and intangible asset impairment		194,521		194,521
Depreciation and accretion expense	30,647	29,807	93,453	88,683
Amortization of intangible assets	12,994	14,996	40,263	45,423
Loss on disposal and impairment of assets	466	22,307	15,583	26,170
Total operating expenses	87,061	310,674	282,030	510,711
Income (loss) from operations	27,585	(168,780)	56,096	(130,295)
Other expense:
Interest expense, net	8,852	9,743	27,185	25,760
Amortization of deferred financing costs and note discount	3,397	3,195	10,060	9,317
Other income	(1,297)	(2,095)	(1,324)	(1,730)
Total other expense	10,952	10,843	35,921	33,347
Income (loss) before income taxes	16,633	(179,623)	20,175	(163,642)
Income tax expense (benefit)	7,854	(4,053)	10,409	(2,335)
Net income (loss)	8,779	(175,570)	9,766	(161,307)
Net loss attributable to noncontrolling interests	(2)	(9)	(14)	(3)
Net income (loss) attributable to controlling interests and available to common shareholders	$ 8,781	$ (175,561)	$ 9,780	$ (161,304)
Net income (loss) per common share – basic	$ 0.19	$ (3.84)	$ 0.21	$ (3.54)
Net income (loss) per common share – diluted	$ 0.19	$ (3.84)	$ 0.21	$ (3.54)
Weighted average shares outstanding - basic	46,073,739	45,662,543	45,945,728	45,597,558
Weighted average shares outstanding - diluted	46,476,787	45,662,543	46,386,523	45,597,558
ATM operating revenues
Revenues:
Revenues	$ 329,837	$ 390,143	$ 978,789	$ 1,105,191
Cost of revenues:
Cost of revenues	216,849	251,136	647,692	729,547
ATM product sales and other revenues
Revenues:
Revenues	10,338	11,807	38,557	39,443
Cost of revenues:
Cost of revenues	$ 8,680	$ 8,920	$ 31,528	$ 34,671