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Condensed Consolidating Guarantor Financial Statements Details BS Summary (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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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

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