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Condensed Consolidating Guarantor Financial Statements Details SCF Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	$ 92,749	$ 97,679	$ 106,718
Net Cash Provided by (Used in) Investing Activities	(71,676)	(85,366)	(140,726)
Net Cash Provided by (Used in) Financing Activities	9,127	(9,098)	54,644
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	32,753	42,632	74,402
Net Cash Provided by (Used in) Investing Activities	(44,219)	(50,409)	(116,517)
Net Cash Provided by (Used in) Financing Activities	9,127	(9,098)	54,644
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	59,675	62,403	62,677
Net Cash Provided by (Used in) Investing Activities	(34,733)	(21,729)	(108,421)
Net Cash Provided by (Used in) Financing Activities	(24,323)	(42,109)	46,373
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	66,713	63,510	38,207
Net Cash Provided by (Used in) Investing Activities	(36,614)	(62,798)	(30,689)
Net Cash Provided by (Used in) Financing Activities	1,821	20,813	(40)
Consolidating Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities	(66,392)	(70,866)	(68,568)
Net Cash Provided by (Used in) Investing Activities	43,890	49,570	114,901
Net Cash Provided by (Used in) Financing Activities	$ 22,502	21,296	(46,333)
Adjustments for New Accounting Pronouncement [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		0	0
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities		0
Adjustments for New Accounting Pronouncement [Member] | Parent Company
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		0	0
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities		0
Adjustments for New Accounting Pronouncement [Member] | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		(101)	274
Net Cash Provided by (Used in) Investing Activities		(1,456)	(26,039)
Net Cash Provided by (Used in) Financing Activities		(42,109)
Adjustments for New Accounting Pronouncement [Member] | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		101	(274)
Net Cash Provided by (Used in) Investing Activities		1,456	26,039
Net Cash Provided by (Used in) Financing Activities		20,813
Adjustments for New Accounting Pronouncement [Member] | Consolidating Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		0	0
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities		21,296
Scenario, Previously Reported [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		97,679	106,718
Net Cash Provided by (Used in) Investing Activities		(85,366)	(140,726)
Net Cash Provided by (Used in) Financing Activities		(9,098)	54,644
Scenario, Previously Reported [Member] | Parent Company
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		(20,276)	(78,799)
Net Cash Provided by (Used in) Investing Activities		12,499	36,684
Net Cash Provided by (Used in) Financing Activities		(9,098)	54,644
Scenario, Previously Reported [Member] | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		18,939	82,737
Net Cash Provided by (Used in) Investing Activities		(20,273)	(82,382)
Net Cash Provided by (Used in) Financing Activities		0	0
Scenario, Previously Reported [Member] | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		99,016	102,780
Net Cash Provided by (Used in) Investing Activities		(77,592)	(95,028)
Net Cash Provided by (Used in) Financing Activities		0	0
Scenario, Previously Reported [Member] | Consolidating Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		0	0
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities		0	0
Scenario, Adjustment [Member]
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		0	0
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities			0
Scenario, Adjustment [Member] | Parent Company
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		62,908	153,201
Net Cash Provided by (Used in) Investing Activities		(62,908)	(153,201)
Net Cash Provided by (Used in) Financing Activities			0
Scenario, Adjustment [Member] | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		43,565	(20,334)
Net Cash Provided by (Used in) Investing Activities		0	0
Net Cash Provided by (Used in) Financing Activities			46,373
Scenario, Adjustment [Member] | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		(35,607)	(64,299)
Net Cash Provided by (Used in) Investing Activities		13,338	38,300
Net Cash Provided by (Used in) Financing Activities			(40)
Scenario, Adjustment [Member] | Consolidating Eliminations
Condensed Financial Statements, Captions [Line Items]
Net Cash Provided by (Used in) Operating Activities		(70,866)	(68,568)
Net Cash Provided by (Used in) Investing Activities		$ 49,570	114,901
Net Cash Provided by (Used in) Financing Activities			$ (46,333)

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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