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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
Contract with Customer, Asset and Liability [Table Text Block] | The following table provides information about contract assets and contract liabilities from contracts with customers:
|  | March 31, 2020 |  | December 31, 2019 |  | January 1, 2019
Contract assets |  | $ | 13,841 |  |  | $ | 14,894 |  |  | $ | 9,330 |
Contract liabilities - current |  | 61,508 |  |  | 44,001 |  |  | 36,461 |
Contract liabilities - non-current |  | 10,363 |  |  | 9,121 |  |  | 9,382 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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