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Equity Incentive Plans (Details Narrative) $ / shares in Units, $ in Thousands |  | 2 Months Ended | 3 Months Ended | 5 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jan. 07, 2019 shares | Feb. 27, 2021 shares | Feb. 27, 2019 shares | Feb. 27, 2018 shares | Apr. 09, 2018 shares | Apr. 13, 2015 $ / shares shares | May 25, 2020 $ / shares shares | May 22, 2019 shares | Aug. 31, 2020 shares | Aug. 31, 2019 shares | Aug. 27, 2018 shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares granted |  |  |  |  |  |  |  |  |  |  |  | 1,100,000,000 | 885,000,000 | 672,500,000
Number of shares vested during the period |  |  |  |  |  |  |  |  |  |  |  | 955,149,000 | 756,962,000 | 809,500,000
Amortization expense reversed, included in General and administrative expenses | $ |  |  |  |  |  |  |  |  |  |  |  | $ 31,881 | $ 34,819 | $ 33,972
Grant date fair value | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 5.09 | $ 8.13 | $ 11.68
Dividends on non-vested shares | $ | $ |  |  |  |  |  |  |  |  |  |  |  | $ 14 | $ 14 |
Share based compensation | $ |  |  |  |  |  |  |  |  |  |  |  | 4,624 | 7,943 | $ 8,072
Total unrecognised compensation cost relating to restricted share awards | $ |  |  |  |  |  |  |  |  |  |  |  | $ 1,200 |  |
Weighted average remaining term for non-vested restricted share awards |  |  |  |  |  |  |  |  |  |  |  | 1 year 7 months 20 days |  |
Total fair value of shares vested during the period | $ | $ |  |  |  |  |  |  |  |  |  |  |  | $ 6,681 | $ 7,703 | $ 10,745
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |  |  |  |  |  |  |  |  |  |  |  | 1,073,490 | 883,700 | 868,975
Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares granted |  |  |  |  | 276,000 |  |  |  |  |  |  |  |  |
Number of shares vested during the period |  |  |  |  |  |  |  |  |  |  | 276,000 |  |  |
2018 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for issuance |  |  |  | 700,000 |  |  |  |  |  |  |  |  |  |
Number of shares granted |  |  |  | 396,500 |  |  |  |  |  |  |  |  |  |
Number of shares vested during the period |  | 71,500 | 71,500 |  |  |  |  |  |  |  | 253,500 |  |  |
2019 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for issuance |  |  |  |  |  |  |  | 900,000 |  |  |  |  |  |
Number of shares granted |  |  |  |  |  |  |  | 885,000 |  |  |  |  |  |
Number of shares vested during the period |  |  |  |  |  |  |  |  | 99,769 | 685,462 |  |  |  |
2019 Equity Incentive Plan [Member] | Vest in August 2022 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted common shares expected to vest |  |  |  |  |  |  |  |  |  |  |  | 99,769 |  |
2020 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares reserved for issuance |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |
Number of shares granted |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |
Number of shares vested during the period |  |  |  |  |  |  |  |  | 855,380 |  |  |  |  |
Grant date fair value | $ / shares |  |  |  |  |  |  | $ 5.09 |  |  |  |  |  |  |
2020 Equity Incentive Plan [Member] | Vest in May 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted common shares expected to vest |  |  |  |  |  |  |  |  |  |  |  | 122,310 |  |
2020 Equity Incentive Plan [Member] | Vest in May 2023 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted common shares expected to vest |  |  |  |  |  |  |  |  |  |  |  | 122,310 |  |
Share-based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted |  |  |  |  |  | 104,250 |  |  |  |  |  |  |  |
Option exercise price | $ / shares | $ / shares |  |  |  |  |  | $ 27.50 |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total shares authorized | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | 10 |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted common shares expected to vest | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting rights | Each RSU represents, upon vesting, a right for the beneficiary to receive one common share of the Company. |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Tranche A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting date |  |  |  |  |  |  |  |  |  |  |  | Apr. 30, 2021 |  |
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSubjectToVestNumber-0] | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Tranche B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted common shares expected to vest |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |
Vesting date |  |  |  |  |  |  |  |  |  |  |  | Apr. 30, 2022 |  |
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSubjectToVestNumber-0] | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense for RSUs expected to vest | $ | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,235 |
Amortization expense reversed, included in General and administrative expenses | $ |  |  |  |  |  |  |  |  |  |  |  | $ 1,235 |  |
Restricted Stock Units (RSUs) [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fleet performance indices | $ | $ |  |  |  |  |  |  |  |  |  |  |  | 120,000 |  |
Restricted Stock Units (RSUs) [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fleet performance indices | $ | $ |  |  |  |  |  |  |  |  |  |  |  | $ 300,000 |  |

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