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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Components of Accumulated OCI | The components of Accumulated OCI are as follows (in thousands):
| December 31,
| 2017 |  | 2016
Cumulative foreign currency translation adjustment | $ | (62,689 | ) |  | $ | (78,953 | )
Unrealized loss on hedges, net of tax (1) | (7,507 | ) |  | (18,021 | )
Unrealized gain on note receivable, net of tax | $ | 409 |  |  | $ | — |
Accumulated other comprehensive loss | $ | (69,787 | ) |  | $ | (96,974 | )
(1) | Relates to foreign currency hedges for the Grand Canyon, Grand Canyon II and Grand Canyon III charters as well as interest rate swap contracts for the Nordea Q5000 Loan, and are net of deferred income taxes totaling $4.0 million and $9.7 million as of December 31, 2017 and 2016, respectively (Note 17).

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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