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Capital Stock - Additional Information, Stock-based compensation (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2017 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted (in shares) |  |  |  | 0 | 0 | 2,629,000
Weighted-average grant-date fair value of options granted (in dollars per share) |  |  |  | $ 0 | $ 0 | $ 1.53
Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock, shares reserved for issuance upon exercise of options or equity awards granted or to be granted |  |  |  | 5,158,441 | 5,581,663 |
Stock options granted (in shares) |  |  |  | 0 | 0 | 2,620,582
Stock option, term (in years) |  |  |  | 10 years |  |
Vesting period (in years) |  |  |  | 3 years |  |
Unrecognized compensation cost related to non-vested stock options granted under the Plans |  |  |  | $ 200,000 |  |
Compensation costs |  |  |  | 1,000,000 | $ 1,900,000 | $ 3,000,000
Intrinsic value of outstanding in-the-money stock options |  |  |  | $ 0 | $ 0 |
Weighted-average remaining life (in years) |  |  |  | 5 years 8 months 12 days | 6 years 8 months 12 days |
Weighted-average grant-date fair value of options granted (in dollars per share) |  |  |  |  |  | $ 1.53
Expected volatility used in computing fair value of options granted |  |  |  |  |  | 65.20%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  | 5 years |  | 5 years 6 months
Dividend yield used in computing fair value of options granted |  |  |  |  |  | 5.90%
Risk-free interest rate used in computing fair value of options granted |  |  |  |  |  | 2.50%
Estimated forfeiture rate used in computing fair value of options granted |  |  |  |  |  | 6.00%
Stock Options | Non-Management Directors | Teekay Tankers |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted (in shares) |  | 58,843 |  |  |  |
Stock option, term (in years) |  |  | 10 years |  |  |
Stock Options | Officer | Teekay Tankers |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted (in shares) | 218,223 |  |  |  |  |
Stock option, term (in years) | 10 years |  |  |  |  |
Vesting period (in years) | 3 years |  |  |  |  |
Stock Options | Nonvested |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted average grant date fair value of non-vested options forfeited |  |  |  | $ 0 | $ 200,000 | $ 400,000
Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 3 years |  |
Common stock conversion (in shares) |  |  |  | 1 |  |
Number of shares or units granted equity based compensation awards |  |  |  | 355,944 | 986,314 | 831,118
Shares Granted, Value, Share-based Payment Arrangement, before Forfeiture |  |  |  | $ 1,400,000 | $ 3,100,000 | $ 3,300,000
Vested restricted stock (in shares) |  |  |  | 880,320 | 480,498 | 317,283
Market value of vested restricted stock |  |  |  | $ 4,700,000 | $ 3,000,000 | $ 3,000,000
Stock granted (in shares) |  |  |  | 222,590 | 256,780 | 182,653
Share based compensation expense |  |  |  | $ 2,300,000 | $ 3,100,000 | $ 3,300,000
Restricted Stock Awards |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation costs |  |  |  | $ 600,000 | $ 600,000 | $ 400,000
Number of shares or units granted equity based compensation awards |  |  |  | 149,366 | 203,468 | 111,808

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