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CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Schedule Showing Break-down of the Company's Total Short-term Investment and Long-term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS
Total Investments using Cost Method	$ 0	$ 0
Total Investments		2,100
UTStarcom Hong Kong Holdings Ltd. | Available-for-sale Securities
CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS
Total Investments		$ 2,100

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Sum of the carrying amounts as of the balance sheet date of all investments.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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