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Acquisition and Divestitures - Narrative (Details) |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 26, 2021 USD ($) | Mar. 01, 2021 USD ($) | Feb. 26, 2020 USD ($) | Jun. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Jan. 31, 2020 agreement
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  | $ 4,921,000 | $ 4,158,000 |  |  | $ 13,812,000 | $ 13,345,000 |  |
Gain (loss) on sale of business |  |  |  |  | 0 | $ 0 |  |  | 0 | $ (8,214,000) |  |
Prime Turbines |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of sale agreements | agreement |  |  |  |  |  |  |  |  |  |  |  | 2
Proceeds from sale of business |  |  | $ 20,000,000 |  |  |  |  |  |  |  |  |
Note receivable |  |  | $ 8,300,000 |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  |  | $ (7,500,000) |  |  |  |
PTB |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Note receivable |  |  |  |  | 5,000,000 |  |  |  | 5,000,000 |  | $ 6,100,000 |
Financing receivable, current |  |  |  |  | 1,500,000 |  |  |  | 1,500,000 |  | 1,400,000 |
CT Aerospace |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of business |  |  |  | $ 6,900,000 |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  |  | $ (678,000) |  |  |  |  |
Legacy Turbines |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Financing receivable, current |  |  |  |  | 1,700,000 |  |  |  | 1,700,000 |  | 1,300,000 |
Note receivable, net |  |  |  |  | 6,100,000 |  |  |  | 6,100,000 |  | 6,400,000 |
Variable discount |  |  |  |  | $ 275,000 |  |  |  | 275,000 |  | $ 275,000 |
HAECO Special Services, LLC |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration, net of cash acquired |  | $ 14,800,000 |  |  |  |  |  |  |  |  |  |
Tangible assets, net |  | 7,500,000 |  |  |  |  |  |  |  |  |  |
Accounts receivable |  | 9,200,000 |  |  |  |  |  |  |  |  |  |
HAECO Special Services, LLC | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangibles - customer related |  | $ 7,300,000 |  |  |  |  |  |  |  |  |  |
Useful life (in years) |  | 4 years |  |  |  |  |  |  |  |  |  |
Global Parts |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration, net of cash acquired | $ 38,447,000 |  |  |  |  |  |  |  |  |  |  |
Accounts receivable | 6,410,000 |  |  |  |  |  |  |  |  |  |  |
Intangibles - customer related | 19,957,000 |  |  |  |  |  |  |  |  |  |  |
Acquisition related expenses |  |  |  |  |  |  |  |  | $ 532,000 |  |  |
Earn-out payments | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |
Intangible assets useful life (in years) | 10 years |  |  |  |  |  |  |  |  |  |  |
Tax deductible goodwill | $ 0 |  |  |  |  |  |  |  |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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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=123570139&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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