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SHARE CAPITAL AND SHARE OPTIONS - Share Options (Details) - USD ($) | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2002 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share options: |  |  |  |  |  |  |
Options, outstanding (in shares) |  | 4,017,000 | 4,017,000 |  | 3,805,000 | 4,017,000 |
Weighted average assumptions used: |  |  |  |  |  |  |
Expected dividend yield |  | 0.00% |  |  |  |  |
Outstanding: |  |  |  |  |  |  |
Options outstanding, beginning of year (in shares) |  | 4,017,000 |  |  |  |  |
Options outstanding, granted in period (in shares) |  | 508,000 |  |  |  |  |
Options outstanding, exercises in period (in shares) |  | (184,000) |  |  |  |  |
Options outstanding, forfeitures in period (in shares) |  | (521,000) |  |  |  |  |
Options outstanding, lapsed in period (in shares) |  | (15,000) |  |  |  |  |
Option outstanding, end of year (in shares) |  | 3,805,000 | 4,017,000 |  |  |  |
Weighted average exercise price: |  |  |  |  |  |  |
Weighted average exercise price, options, outstanding, beginning of year (USD per share) |  | $ 37.92 |  |  |  |  |
Weighted average exercise price, options, grants in period (USD per share) |  | 27.20 |  |  |  |  |
Weighted average exercise price, options, exercises in period (USD per share) |  | 14.60 |  |  |  |  |
Weighted average exercise price, options, forfeitures in period (USD per share) |  | 45.06 |  |  |  |  |
Weighted average exercise price, options, lapsed in period (USD per share) |  | 31.46 |  |  |  |  |
Weighted average exercise price, options, outstanding, end of year (USD per share) |  | $ 36.16 | $ 37.92 |  |  |  |
Intrinsic value of share options exercised |  | $ 2,621,000 | $ 286,000 | $ 1,326,000 |  |  |
Total fair value of share options fully vested in the year |  | $ 16,623,000 | $ 13,601,000 | $ 113,000 |  |  |
Weighted average remaining contractual term, options, outstanding (in years) |  | 2 years 5 months | 3 years |  |  |  |
Options exercisable, outstanding (in shares) |  |  |  |  | 2,320,000 | 1,139,000 | 108,000
Options exercisable, weighted average exercise price (USD per share) |  |  |  |  | $ 39.02 | $ 37.92 | $ 2.84
Options exercisable, weighted average remaining contractual term (in years) |  | 1 year 11 months 15 days | 2 years 6 months 10 days | 10 months |  |  |
Intrinsic value of share options outstanding and exercisable |  |  |  |  | $ 0 | $ 0 | $ 0
Compensation cost |  | $ 11,748,000 | $ 8,777,000 | $ 5,830,000 |  |  |
Share options cost capitalized |  | $ 421,000 | $ 1,823,000 | $ 822,000 |  |  |
Golar Scheme |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Options, outstanding (in shares) |  | 4,000,000 | 3,800,000 | 3,800,000 | 3,800,000 | 4,000,000 | 3,800,000
Outstanding: |  |  |  |  |  |  |
Options outstanding, beginning of year (in shares) |  | 4,000,000 | 3,800,000 |  |  |  |
Option outstanding, end of year (in shares) |  | 3,800,000 | 4,000,000 | 3,800,000 |  |  |
Employee Stock Options |  |  |  |  |  |  |
Weighted average assumptions used: |  |  |  |  |  |  |
Risk free interest rate |  | 2.50% | 1.80% | 1.80% |  |  |
Expected volatility of common stock |  | 62.50% | 54.50% | 55.00% |  |  |
Expected dividend yield |  | 0.00% | 0.00% | 0.00% |  |  |
Expected term of options (in years) |  | 3 years 7 months | 3 years 10 months | 5 years |  |  |
Outstanding: |  |  |  |  |  |  |
Options outstanding, granted in period (in shares) |  | 500,000 | 400,000 |  |  |  |
Weighted average exercise price: |  |  |  |  |  |  |
Total unrecognized compensation cost |  |  |  |  | $ 11,300,000 |  |
Weighted average period of recognition for unrecognized compensation cost (in years) |  | 1 year 6 months |  |  |  |  |
Employee Stock Options | Golar Scheme |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Award term until expiration | 5 years |  |  |  |  |  |
Number of shares authorized for grant | 0 |  |  |  |  |  |
Employee Stock Options | Golar Scheme | Minimum |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Award vesting period (in years) | 3 years |  |  |  |  |  |
Employee Stock Options | Golar Scheme | Maximum |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Award vesting period (in years) | 4 years |  |  |  |  |  |
Employee Stock Options | LTIP |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Number of shares authorized for grant |  |  |  |  | 3,000,000 |  |
Originally Awarded From 2009-2011 | Employee Stock Options |  |  |  |  |  |  |
Share options: |  |  |  |  |  |  |
Options, outstanding (in shares) |  | 95,138 | 95,138 |  |  | 95,138 |
Outstanding: |  |  |  |  |  |  |
Options outstanding, beginning of year (in shares) |  | 95,138 |  |  |  |  |
Option outstanding, end of year (in shares) |  |  | 95,138 |  |  |  |
Weighted average exercise price: |  |  |  |  |  |  |
Compensation cost |  |  | $ 600,000 |  |  |  |

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