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Acquisitions Acquisition (Purchase Price Allocation) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | May 20, 2022 | Dec. 31, 2021 | Aug. 18, 2021 | Jul. 02, 2021
--- | --- | --- | --- | --- | --- | ---
Business acquisition |  |  |  |  |  |
Goodwill | $ 286,812 | $ 292,040 |  | $ 278,810 |  |
Hardent, Inc. |  |  |  |  |  |
Business acquisition |  |  |  |  |  |
Cash and cash equivalents |  |  | $ 209 |  |  |
Accounts receivable |  |  | 1,088 |  |  |
Unbilled receivables |  |  | 239 |  |  |
Prepaid expenses and other current assets |  |  | 16 |  |  |
Identified intangible assets |  |  | 5,000 |  |  |
Goodwill |  |  | 12,069 |  |  |
Accounts payable |  |  | (55) |  |  |
Deferred revenue |  |  | (578) |  |  |
Income taxes payable |  |  | (466) |  |  |
Deferred tax liability |  |  | (1,325) |  |  |
Other current liabilities |  |  | (56) |  |  |
Recognized identifiable assets acquired and liabilities assumed, net |  |  | $ 16,141 |  |  |
AnalogX, Inc. |  |  |  |  |  |
Business acquisition |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  | $ 2,763
Accounts receivable |  |  |  |  |  | 280
Unbilled receivables |  |  |  |  |  | 1,566
Prepaid expenses and other current assets |  |  |  |  |  | 1,354
Identified intangible assets |  |  |  |  |  | 6,800
IPR&D |  |  |  |  |  | 3,800
Goodwill |  |  |  |  |  | 39,309
Property, plant and equipment, net |  |  |  |  |  | 118
Accounts payable |  |  |  |  |  | (1,112)
Deferred revenue |  |  |  |  |  | (23)
Income taxes payable |  |  |  |  |  | (7,127)
Other current liabilities |  |  |  |  |  | (215)
Recognized identifiable assets acquired and liabilities assumed, net |  |  |  |  |  | $ 47,513
PLDA Group |  |  |  |  |  |
Business acquisition |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | $ 5,820 |
Accounts receivable |  |  |  |  | 2,233 |
Inventories |  |  |  |  | 125 |
Prepaid expenses and other current assets |  |  |  |  | 836 |
Identified intangible assets |  |  |  |  | 21,400 |
IPR&D |  |  |  |  | 7,400 |
Goodwill |  |  |  |  | 57,543 |
Property, plant and equipment, net |  |  |  |  | 679 |
Operating lease right-of-use assets |  |  |  |  | 864 |
Other asset |  |  |  |  | 339 |
Accounts payable |  |  |  |  | (1,046) |
Accrued salaries and benefits |  |  |  |  | (814) |
Deferred revenue |  |  |  |  | (514) |
Income taxes payable |  |  |  |  | (118) |
Operating lease liability |  |  |  |  | (852) |
Deferred tax liability |  |  |  |  | (8,180) |
Other current liabilities |  |  |  |  | (74) |
Recognized identifiable assets acquired and liabilities assumed, net |  |  |  |  | $ 85,641 |

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