SCHEDULE I CONDENSED FINANCIAL INFORMATION OF REGISTRANT - REGISTRANT BALANCE SHEETS (Parenthetical) (Details) - $ / shares shares in Thousands	Dec. 31, 2020	Dec. 31, 2019
Common Stock, Par or Stated Value Per Share	$ 0.00375	$ 0.00375
Ordinary share, authorized shares	250,000	250,000
Ordinary share, shares issued	40,907	40,335
Ordinary share, shares outstanding	35,898	35,525
Treasury shares	5,009	4,810
UTSTARCOM HOLDINGS CORP
Common Stock, Par or Stated Value Per Share	$ 0.00375	$ 0.00375
Ordinary share, authorized shares	250,000	250,000
Ordinary share, shares issued	40,907	40,335
Ordinary share, shares outstanding	35,898	35,525
Treasury shares	5,009	4,810

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
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-Section 45
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