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Divestiture (Details) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 26, 2020 USD ($) | Feb. 26, 2020 USD ($) | Sep. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Jan. 28, 2020 agreement
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Loss on sale of a business entity and certain assets |  |  | $ 0 |  | $ 0 | $ (8,214) | $ 0 |
Loss on sale of business |  |  | 0 |  | $ 0 | 8,214 | $ 0 |
Prime Turbines |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Number of sale agreements | agreement |  |  |  |  |  |  |  | 2
Proceeds from sale of business |  | $ 20,000 |  |  |  |  |  |
Note receivable |  | $ 8,300 |  |  |  |  |  |
Loss on sale of a business entity and certain assets |  |  |  | $ (7,500) |  |  |  |
Loss on sale of business |  |  |  | $ 7,500 |  |  |  |
CT Aerospace |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of business | $ 6,900 |  |  |  |  |  |  |
Loss on sale of a business entity and certain assets |  |  | (678) |  |  |  |  |
Loss on sale of business |  |  | 678 |  |  |  |  |
Legacy Turbines |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Note receivable, net |  |  | 6,700 |  |  | 6,700 |  |
Other assets | PTB |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Note receivable |  |  | 5,100 |  |  | 5,100 |  |
Other assets | Legacy Turbines |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Variable discount |  |  | 275 |  |  | 275 |  |
Other current assets | PTB |  |  |  |  |  |  |  |
Schedule of Business Divestitures, by Divestiture [Line Items] |  |  |  |  |  |  |  |
Note receivable |  |  | $ 1,400 |  |  | $ 1,400 |  |

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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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