Summary Of Significant Accounting Policies (Accounting Changes To Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Current assets | $ 72,641 | $ 36,921 | [1],[2] | ||||||||||||
Deferred tax asset, net | 28,667 | 24,584 | [1],[2] | ||||||||||||
Other non-current assets | 304,458 | 310,693 | |||||||||||||
Total assets | 405,766 | 372,198 | [1],[2],[3],[4] | ||||||||||||
Deferred current revenue | 10,758 | 11,771 | [1],[2] | ||||||||||||
Other current liabilities | 55,228 | 60,731 | |||||||||||||
Non-current liabilities | 193,165 | 160,745 | |||||||||||||
Total liabilities | 259,151 | 233,247 | [1],[2] | ||||||||||||
Retained earnings (accumulated deficit) | 1,680 | (7,723) | [1],[2] | ||||||||||||
Other equity components | 144,935 | 146,674 | |||||||||||||
Total stockholders' equity | [5] | 146,615 | 138,951 | [1],[2] | $ 133,716 | $ 123,531 | |||||||||
Total liabilities and stockholders’ equity | 405,766 | 372,198 | [1],[2] | ||||||||||||
Without Breakage Revenue [Member] | |||||||||||||||
Current assets | 72,641 | ||||||||||||||
Deferred tax asset, net | 28,900 | ||||||||||||||
Other non-current assets | 304,458 | ||||||||||||||
Total assets | 405,999 | ||||||||||||||
Deferred current revenue | 11,376 | ||||||||||||||
Other current liabilities | 55,228 | ||||||||||||||
Non-current liabilities | 193,165 | ||||||||||||||
Total liabilities | 259,769 | ||||||||||||||
Retained earnings (accumulated deficit) | 1,295 | ||||||||||||||
Other equity components | 144,935 | ||||||||||||||
Total stockholders' equity | 146,230 | ||||||||||||||
Total liabilities and stockholders’ equity | 405,999 | ||||||||||||||
Previously Reported [Member] | |||||||||||||||
Current assets | 36,921 | ||||||||||||||
Deferred tax asset, net | 25,649 | ||||||||||||||
Other non-current assets | 310,693 | ||||||||||||||
Total assets | 373,263 | ||||||||||||||
Deferred current revenue | 14,591 | ||||||||||||||
Other current liabilities | 60,731 | ||||||||||||||
Non-current liabilities | 160,745 | ||||||||||||||
Total liabilities | 236,067 | ||||||||||||||
Retained earnings (accumulated deficit) | (9,478) | 58,000 | |||||||||||||
Other equity components | 146,674 | ||||||||||||||
Total stockholders' equity | 137,196 | ||||||||||||||
Total liabilities and stockholders’ equity | 373,263 | ||||||||||||||
Adjustment [Member] | |||||||||||||||
Deferred tax asset, net | (233) | (1,065) | |||||||||||||
Total assets | (233) | (1,065) | |||||||||||||
Deferred current revenue | (618) | (2,820) | |||||||||||||
Total liabilities | (618) | (2,820) | |||||||||||||
Retained earnings (accumulated deficit) | 385 | 1,755 | $ 56,200 | ||||||||||||
Total stockholders' equity | 385 | 1,755 | |||||||||||||
Total liabilities and stockholders’ equity | $ (233) | $ (1,065) | |||||||||||||
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