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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2023
Concentration risk |
Revenue from external customer by geographic regions | Revenue from customers in the geographic regions based on the location of contracting parties was as follows:
|  | Years Ended December 31,
(In thousands) |  | 2023 |  | 2022 |  | 2021
United States |  | $ | 176,821 |  |  | $ | 277,776 |  |  | $ | 211,419 |
South Korea |  | 152,328 |  |  | 7,222 |  |  | 6,007 |
Singapore |  | 53,327 |  |  | 57,309 |  |  | 39,798 |
Other |  | 78,641 |  |  | 112,486 |  |  | 71,080 |
Total |  | $ | 461,117 |  |  | $ | 454,793 |  |  | $ | 328,304 |
Accounts receivable |
Concentration risk |
Schedule of customer accounts representing 10% or more than 10% of total balance | Accounts receivable from the Company’s major customers representing 10% or more of total accounts receivable at December 31, 2023 and 2022, respectively, was as follows:
|  | As of December 31,
Customer |  | 2023 |  | 2022
Customer 1 |  | 49 | % |  | *
Customer 2 |  | 13 | % |  | 14 | %
Customer 3 |  | 12 | % |  | *
Customer 4 |  | * |  | 23 | %
Customer 5 |  | * |  | 16 | %
_________________________________________ * Customer accounted for less than 10% of total accounts receivable in the period.
Revenue |
Concentration risk |
Schedule of customer accounts representing 10% or more than 10% of total balance | Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2023, 2022 and 2021, respectively, was as follows:
|  | Years Ended December 31,
Customer |  | 2023 |  | 2022 |  | 2021
Customer A |  | 27 | % |  | * |  | *
Customer B |  | 18 | % |  | 19 | % |  | 21 | %
Customer C |  | * |  | 17 | % |  | 13 | %
Customer D |  | * |  | 14 | % |  | 11 | %
_________________________________________ * Customer accounted for less than 10% of total revenue in the period.

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