Supplemental Guarantor Financial Information Supplemental Guarantor Financial Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Condensed Income Statements, Captions [Line Items]
Revenues	$ 128,924	$ 95,892	$ 358,278	$ 157,810
Cost of revenues	86,115	62,449	230,907	95,825
Selling, general, and administrative expense	10,469	10,163	32,272	19,265
Depreciation and amortization	20,610	13,476	61,227	20,909
Interest expense, net	8,201	4,998	24,068	5,302
Other expense, net	1,514	8,758	3,923	9,795
Equity in net income of subsidiaries	0	0	0	0
Income (loss) before income tax provision	2,015	(3,952)	5,881	6,714
Provision (benefit) for income taxes	396	(1,351)	1,291	(183)
Net income (loss)	1,619	(2,601)	4,590	6,897
Other comprehensive income	(324)	(506)	(2,001)	(3,397)
Comprehensive income (loss)	1,295	(3,107)	2,589	3,500
Issuers [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	0	0	0	0
Cost of revenues	0	0	0	0
Selling, general, and administrative expense	455	482	1,809	919
Depreciation and amortization	0	0	0	0
Interest expense, net	6,475	3,233	19,416	3,233
Other expense, net	317	198	(935)	(198)
Equity in net income of subsidiaries	(8,866)	(1,312)	(26,750)	(11,247)
Income (loss) before income tax provision	1,619	(2,601)	4,590	6,897
Provision (benefit) for income taxes	0	0	0	0
Net income (loss)	1,619	(2,601)	4,590	6,897
Other comprehensive income	(324)	(506)	(2,001)	(3,397)
Comprehensive income (loss)	1,295	(3,107)	2,589	3,500
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	121,106	84,598	341,794	131,480
Cost of revenues	80,873	54,490	222,464	76,094
Selling, general, and administrative expense	9,404	8,891	28,858	15,840
Depreciation and amortization	19,848	12,945	58,308	19,783
Interest expense, net	1,726	1,765	4,652	2,097
Other expense, net	222	8,253	(1,085)	(8,377)
Equity in net income of subsidiaries	(401)	(172)	(1,285)	(525)
Income (loss) before income tax provision	9,434	(1,574)	27,712	9,814
Provision (benefit) for income taxes	568	(2,885)	962	(1,434)
Net income (loss)	8,866	1,311	26,750	11,248
Other comprehensive income	(324)	(506)	(2,001)	(3,397)
Comprehensive income (loss)	8,542	805	24,749	7,851
Other Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	9,520	14,281	31,917	34,587
Cost of revenues	6,944	10,946	23,876	27,988
Selling, general, and administrative expense	610	790	1,605	2,506
Depreciation and amortization	762	531	2,919	1,126
Interest expense, net	0	0	0	(28)
Other expense, net	975	307	(1,903)	(1,220)
Equity in net income of subsidiaries	0	0	0	0
Income (loss) before income tax provision	229	1,707	1,614	1,775
Provision (benefit) for income taxes	(172)	1,534	329	1,251
Net income (loss)	401	173	1,285	524
Other comprehensive income	(324)	(506)	(2,001)	(3,397)
Comprehensive income (loss)	77	(333)	(716)	(2,873)
Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Revenues	(1,702)	(2,987)	(15,433)	(8,257)
Cost of revenues	(1,702)	(2,987)	(15,433)	(8,257)
Selling, general, and administrative expense	0	0	0	0
Depreciation and amortization	0	0	0	0
Interest expense, net	0	0	0	0
Other expense, net	0	0	0	0
Equity in net income of subsidiaries	9,267	1,484	28,035	11,772
Income (loss) before income tax provision	(9,267)	(1,484)	(28,035)	(11,772)
Provision (benefit) for income taxes	0	0	0	0
Net income (loss)	(9,267)	(1,484)	(28,035)	(11,772)
Other comprehensive income	648	1,012	4,002	6,794
Comprehensive income (loss)	$ (8,619)	$ (472)	$ (24,033)	$ (4,978)