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OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) (Tables)
 12 Months Ended
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Other Non-Current Assets
The following table presents the detail of other non-current assets (in thousands):
December 31,
2024		December 31,
2023
Bitcoin investment (i)
$792,282 $339,898 
Investment in non-marketable equity securities (ii)
245,557 205,268 
Restricted cash69,915 71,812 
Other131,794 113,111 
Total$1,239,548 $730,089 

(i) Refer to Note 13, Bitcoin for further details.

(ii) Investment in non-marketable equity securities represents the Company's investments in equity of non-public entities. These investments are measured using the measurement alternative and are therefore carried at cost, less impairment, adjusted for observable price changes from orderly transactions for identical or similar investments of the same issuer. Adjustments are recorded within other expense (income), net on the consolidated statements of operations.
Summary of Non-Marketable Equity Securities
The adjustments to the carrying value of the Company's non-marketable equity securities measured using the measurement alternative were as follows (in thousands):
December 31,
2024		December 31,
2023
Carrying amount, beginning of period$205,268 $208,880 
Net additions4,500 4,500 
Gross unrealized gains70,702 — 
Gross unrealized losses and impairments(34,913)(8,112)
Carrying amount, end of period$245,557 $205,268 

The following table summarizes the cumulative net unrealized upward and downward adjustments related to the Company's non-marketable equity securities measured using the measurement alternative (in thousands):
December 31,
2024		December 31,
2023
Upward adjustments$155,329 $115,187 
Downward adjustments (including impairment)$(2,061)$(2,707)