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Share Capital (Details Textual) |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 14, 2019 USD ($) $ / shares shares | Mar. 07, 2017 USD ($) $ / shares | Mar. 31, 2020 USD ($) vote $ / shares shares | Mar. 31, 2019 USD ($) shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares
Share Capital [Line Items] |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  | $ (172,757,000) | $ (174,273,000) | $ (179,389,000) | $ (246,967,000)
Issuance of common and convertible preference shares |  |  |  | 97,629,000 |  |
Series 4 Convertible Preferred Stock |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Proceeds from issuance of common and convertible preference shares, net of issuance costs |  |  | 0 | 97,629,000 |  |
Preferred Stock |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Proceeds from issuance of common and convertible preference shares, net of issuance costs | $ 98,620,000 |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  | $ 90,123,000 | 152,746,000 | 152,117,000 | $ 152,746,000 | $ 90,123,000
Issuance of common and convertible preference shares |  |  |  | $ 61,994,000 |  |
Preferred Stock | Series 4 Convertible Preferred Stock |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Proceeds from issuance of common and convertible preference shares, net of issuance costs |  | $ 95,000 |  |  |  |
Preferred Stock, Liquidation Preference Per Share | $ / shares |  | $ 1,000 |  |  |  |
Preferred Stock, Conversion Price Per Preference Share | $ / shares | $ 7.42 | $ 10.00 |  |  |  |
Preferred Stock, Accretion of Redemption Discount |  |  | 2,000 |  |  |
Preferred Stock, Liquidation Preference, Value |  |  | $ 121,000 |  |  |
Shares outstanding (shares) | shares |  |  | 145,000,000 | 145,000,000 | 145,000,000 | 95,000,000
Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price |  | 125.00% |  |  |  |
Preferred Stock, Liquidation Preference Percentage Rate, Change of Control of the Company |  | 7.00% |  |  |  |
Preferred Stock | Series 6 Convertible Preferred Stock |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Stock Issued During Period, Shares, Issued For Services, Convertible Preferred Shares | shares | 50,000 |  |  |  |  |
Proceeds from issuance of common and convertible preference shares, net of issuance costs | $ 50,000,000 |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share | $ / shares | $ 1,000 |  |  |  |  |
Preferred Stock, Conversion Price Per Preference Share | $ / shares | $ 5.00 |  |  |  |  |
Preferred Stock, Accretion Percentage, Preference | 8.00% | 8.00% |  |  |  |
Preferred Stock, Accretion Rate, Preference Per Share | $ / shares |  |  | $ 8.33 |  |  |
Preferred Stock, Convertible Preference Shares, Accretion Period | 5 years |  |  |  |  |
Preferred Stock, Monthly Accretion of Redemption Discount |  |  | $ 7.10 |  |  |
Preferred Stock, Accretion of Redemption Discount |  |  | 1,000 |  |  |
Preferred Stock, Liquidation Preference, Value |  |  | 54,000 |  |  |
Preferred Stock, Convertible Preference Shares, Convertible at Company's Option, Term | 2 years |  |  |  |  |
Preferred Stock, Conversion Basis, Common Stock Class A Closing Trade Price | 125.00% |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage | 7.00% |  |  |  |  |
Additional Paid-in Capital |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  | $ 99,587,000 | $ 98,693,000 | $ 101,469,000 | $ 58,579,000
Issuance of common and convertible preference shares | $ 35,997 |  |  | $ 35,635,000 |  |
Common Stock | Common Class A |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services | shares | 14,285,714 |  |  |  |  |
Proceeds from Issuance of Common Stock | $ 50,000,000 |  |  |  |  |
Shares outstanding (shares) | shares |  |  | 72,479,417 |  | 72,150,854 |
Common stock, voting rights, number of votes per share | vote |  |  | 1 |  |  |
Common Stock | Common Class B |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Shares outstanding (shares) | shares |  |  | 3,749 |  | 3,749 |
Common stock, voting rights, number of votes per share | vote |  |  | 20 |  |  |
Contingent Consideration, Liability Settlements [Domain] | Preferred Stock | Series 4 Convertible Preferred Stock |  |  |  |  |  |
Share Capital [Line Items] |  |  |  |  |  |
Issuance of common and convertible preference shares | $ 62,623 |  |  |  |  |

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