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Business Combinations - General Narrative (Details) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Feb. 28, 2020 USD ($) shares | Mar. 31, 2021 USD ($) shares | Mar. 31, 2020 USD ($) | Nov. 23, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |
Conversion ratio |  | 1 |  |
Total consideration |  | $ 0 | $ 0 |
Decision Resources Group |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total consideration | $ 964,997 |  |  |
Newly issued ordinary shares (in shares) | shares | 2,895,638 | 2,895,638 |  |
Percentage of ownership | 100.00% |  |  |
Pro forma expense increase (decrease) |  |  | 24,926 |
Total assets | $ 648,050 |  |  |
Total liabilities | 203,029 |  |  |
Fair value of acquired identifiable assets and liabilities | $ 445,021 |  |  |
Transaction costs |  | $ 24,383 | $ 19,762 |
Hanlim IPS |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of ownership |  |  |  | 100.00%
Total assets |  |  |  | $ 9,869
Total liabilities |  |  |  | 3,476
Fair value of acquired identifiable assets and liabilities |  |  |  | $ 6,393
Transaction costs |  | $ 0 |  |

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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