XML 36 R20.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Balance Sheet Details | 12 Months Ended
--- | ---
Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract] |
Balance Sheet Details | Balance Sheet Details Inventories (1) Inventories consisted of the following:
|  | As of December 31, |
(In thousands) |  | 2023 |  | 2022 |
Raw materials |  | $ | 17,483 |  |  | $ | 4,683 |  |
Work in process |  | 5,299 |  |  | 8,341 |  |
Finished goods |  | 13,372 |  |  | 7,876 |  |
Total |  | $ | 36,154 |  |  | $ | 20,900 |  |
(1) As of December 31, 2023 and 2022, the Company had inventory reserve balances of approximately $6.0 million and $1.3 million included in the Consolidated Balance Sheets, respectively. Property, Plant and Equipment, net Property, plant and equipment, net is comprised of the following:
|  | As of December 31,
(In thousands) |  | 2023 |  | 2022
Computer software |  | $ | 44,226 |  |  | $ | 59,500 |
Computer equipment |  | 36,198 |  |  | 36,865 |
Leasehold improvements |  | 27,810 |  |  | 32,384 |
Machinery |  | 30,446 |  |  | 19,587 |
Furniture and fixtures |  | 12,561 |  |  | 12,664 |
Construction in progress |  | 5,660 |  |  | 6,949 |
Property, plant and equipment, gross |  | 156,901 |  |  | 167,949 |
Less accumulated depreciation and amortization |  | (89,093) |  |  | (81,694) |
Property, plant and equipment, net |  | $ | 67,808 |  |  | $ | 86,255 |
Depreciation expense for the years ended December 31, 2023, 2022 and 2021 was $37.7 million, $26.0 million and $21.0 million, respectively. Other Current Liabilities Other current liabilities are comprised of the following:
|  | As of December 31,
(In thousands) |  | 2023 |  | 2022
EDA tools software licenses liability |  | $ | 14,566 |  |  | $ | 15,563 |
Price protection liability |  | 6,563 |  |  | — |
Other current liabilities |  | 5,469 |  |  | 8,429 |
Total |  | $ | 26,598 |  |  | $ | 23,992 |
Accumulated Other Comprehensive Loss Accumulated other comprehensive loss is comprised of the following:
|  | As of December 31,
(In thousands) |  | 2023 |  | 2022
Foreign currency translation adjustments |  | $ | (913) |  |  | $ | (1,195) |
Unrealized loss on available-for-sale securities, net of tax |  | (356) |  |  | (3,768) |
Total |  | $ | (1,269) |  |  | $ | (4,963) |

X
- Definition This element represents the entire disclosure of balance sheet detail. + References No definition available. + Details
Name: | rmbs_BalanceSheetDetailsTextBlock
Namespace Prefix: | rmbs_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BalanceSheetRelatedDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration