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Condensed Consolidating Guarantor Financial Statements Details BS Summary (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]    
Total assets $ 757,021 $ 716,623
Total liabilities 325,639 282,182
Total stockholders' equity 431,382 434,441
Parent Company    
Condensed Financial Statements, Captions [Line Items]    
Total assets 703,877 673,781
Total liabilities 272,495 239,340
Total stockholders' equity 431,382 434,441
Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets 376,240 353,411
Total liabilities 26,809 21,177
Total stockholders' equity 349,431 332,234
Non-Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets 359,860 343,568
Total liabilities 33,717 27,506
Total stockholders' equity 326,143 316,062
Consolidating Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Total assets (682,956) (654,137)
Total liabilities (7,382) (5,841)
Total stockholders' equity $ (675,574) (648,296)
Adjustments for New Accounting Pronouncement [Member]    
Condensed Financial Statements, Captions [Line Items]    
Total assets   1,948
Total liabilities   1,948
Total stockholders' equity   0
Adjustments for New Accounting Pronouncement [Member] | Parent Company    
Condensed Financial Statements, Captions [Line Items]    
Total assets   (176)
Total liabilities   (176)
Total stockholders' equity   0
Adjustments for New Accounting Pronouncement [Member] | Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   38,579
Total liabilities   649
Total stockholders' equity   37,930
Adjustments for New Accounting Pronouncement [Member] | Non-Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   (38,579)
Total liabilities   (649)
Total stockholders' equity   (37,930)
Adjustments for New Accounting Pronouncement [Member] | Consolidating Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Total assets   2,124
Total liabilities   2,124
Total stockholders' equity   0
Scenario, Previously Reported [Member]    
Condensed Financial Statements, Captions [Line Items]    
Total assets   714,675
Total liabilities   266,124
Total stockholders' equity   448,551
Scenario, Previously Reported [Member] | Parent Company    
Condensed Financial Statements, Captions [Line Items]    
Total assets   858,199
Total liabilities   409,648
Total stockholders' equity   448,551
Scenario, Previously Reported [Member] | Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   314,832
Total liabilities   20,528
Total stockholders' equity   294,304
Scenario, Previously Reported [Member] | Non-Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   566,389
Total liabilities   23,207
Total stockholders' equity   543,182
Scenario, Previously Reported [Member] | Consolidating Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Total assets   (1,024,745)
Total liabilities   (187,259)
Total stockholders' equity   (837,486)
Scenario, Adjustment [Member]    
Condensed Financial Statements, Captions [Line Items]    
Total assets   0
Total liabilities   14,110
Total stockholders' equity   (14,110)
Scenario, Adjustment [Member] | Parent Company    
Condensed Financial Statements, Captions [Line Items]    
Total assets   (184,242)
Total liabilities   (170,132)
Total stockholders' equity   (14,110)
Scenario, Adjustment [Member] | Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   0
Total liabilities   0
Total stockholders' equity   0
Scenario, Adjustment [Member] | Non-Guarantor Subsidiaries    
Condensed Financial Statements, Captions [Line Items]    
Total assets   (184,242)
Total liabilities   4,948
Total stockholders' equity   (189,190)
Scenario, Adjustment [Member] | Consolidating Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Total assets   368,484
Total liabilities   179,294
Total stockholders' equity   $ 189,190