XML 58 R46.htm IDEA: XBRL DOCUMENT
v3.21.1

STOCKHOLDERS' EQUITY Dividends (Details) |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Aug. 18, 2020 | Jan. 31, 2021 item $ / shares | Jul. 31, 2020 USD ($) $ / shares | Apr. 30, 2020 USD ($) $ / shares | Oct. 31, 2019 USD ($) $ / shares | Mar. 31, 2021 USD ($) $ / shares | Mar. 31, 2020 USD ($) $ / shares
Dividends Declared and Paid [Line Items] |  |  |  |  |  |  |
Stock split ratio | 2 |  |  |  |  |  |
Dividends declared and paid | $ |  |  |  |  |  | $ 7,845,000 | $ 5,644,000
Dividends declared per common share |  |  |  |  |  | $ 0.13 | $ 0.095
Common Stock, Dividends, Number of Quarterly Distributions Declared |  | 4 | 2 | 3 | 4 |  |
Common Stock, Dividends, Per Share, Declared |  |  |  |  | $ 0.095 |  | $ 0.095
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Second Quarter |  |  |  | $ 0.105 |  |  |
Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Third Quarter |  |  | $ 0.11 |  |  |  |
Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Fourth Quarter |  |  | $ 0.11 |  |  |  |
Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Second Quarter |  |  |  | 0.105 |  |  |
Common Stock, Dividends Per Share Declared, Current Fiscal Year |  | $ 0.02 |  |  |  |  |
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Third Quarter |  |  |  | 0.105 |  |  |
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Fourth Quarter |  |  |  | $ 0.105 |  |  |
Common Stock, Dividends, Per Share, Declared, Current Fiscal Year, Each Quarter |  | $ 0.13 |  |  |  |  |
Common Stock |  |  |  |  |  |  |
Dividends Declared and Paid [Line Items] |  |  |  |  |  |  |
Stock split ratio | 2 |  |  |  |  |  |
Dividends Payable, Date to be Paid |  |  | Aug. 18, 2020 |  |  |  |
Dividends Payable, Date of Record |  |  | Aug. 14, 2020 |  |  |  |

X
- Definition Common Stock, Dividends, Number of Distributions Declared. + References No definition available. + Details
Name: | powi_CommonStockDividendsNumberOfDistributionsDeclared
Namespace Prefix: | powi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Current Fiscal Year + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredCurrentFiscalYear
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends, Per Share, Declared, Current Fiscal Year, Each Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredCurrentFiscalYearEachQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Current Fiscal Year, Fourth Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredCurrentFiscalYearFourthQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Current Fiscal Year, Second Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredCurrentFiscalYearSecondQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Current Fiscal Year, Third Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredCurrentFiscalYearThirdQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Fourth Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredPriorFiscalYearFourthQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Second Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredPriorFiscalYearSecondQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Third Quarter + References No definition available. + Details
Name: | powi_CommonStockDividendsPerShareDeclaredPriorFiscalYearThirdQuarter
Namespace Prefix: | powi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Dividends Declared and Paid [Line Items]. + References No definition available. + Details
Name: | powi_DividendsDeclaredAndPaidLineItems
Namespace Prefix: | powi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DividendsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |