Executive Category [Axis] PEO [Member] Adjustment to Compensation [Axis] -aggregate change in actuarial present value of pension benefits +service cost of pension benefits +prior service cost of pension benefits -SCT “Stock Awards” column value -SCT “Option Awards” column value +aggregate total of year-end fair value of equity awards granted in the covered year that are outstanding and unvested as of the covered year-end + aggregate total of change in fair value of equity awards granted in prior years that are outstanding and unvested as of the covered year-end +aggregate total of vesting date fair value of equity awards granted and vested in the covered year +/- aggregate total of change in fair value of equity awards granted in prior years that vested in the covered year -aggregate total fair value as of prior-year end of equity awards granted in prior years that failed to vest in the covered year +dollar value of dividends/earnings paid prior to the vesting date on equity awards in the covered year +excess fair value for equity award modifications Non-PEO NEO [Member] +aggregate total of year-over-year change in fair value of equity awards granted in prior years that are outstanding and unvested as of the covered year-end Measure [Axis] Cover [Abstract] Document Type Entity Registrant Name Entity Central Index Key Document Period End Date Amendment Flag Amendment Description Pay vs Performance Disclosure [Table] Pay vs Performance [Table Text Block] Company Selected Measure Name Named Executive Officers, Footnote [Text Block] Peer Group Issuers, Footnote [Text Block] Changed Peer Group, Footnote [Text Block] PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote [Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Equity Valuation Assumption Difference, Footnote [Text Block] Compensation Actually Paid vs. Total Shareholder Return [Text Block] Compensation Actually Paid vs. Net Income [Text Block] Compensation Actually Paid vs. Company Selected Measure [Text Block] Total Shareholder Return Vs Peer Group [Text Block] Compensation Actually Paid vs. Other Measure [Text Block] Tabular List [Table Text Block] Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Attributable to Parent Company Selected Measure Amount Other Performance Measure Amount Adjustment to Compensation Amount PEO Name Measure Name Non-GAAP Measure Description [Text Block] Additional 402(v) Disclosure [Text Block] Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Individual [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis [Text Block] Stock Price or TSR Estimation Method [Text Block] Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined [Text Block] Forgone Recovery, Individual Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability [Text Block] Outstanding Recovery, Individual Name Outstanding Recovery Compensation Amount Restatement Does Not Require Recovery [Text Block] Awards Close in Time to MNPI Disclosures [Table] Award Type [Axis] Award Timing MNPI Disclosure [Text Block] Award Timing Method [Text Block] Award Timing Predetermined [Flag] Award Timing MNPI Considered [Flag] Award Timing, How MNPI Considered [Text Block] MNPI Disclosure Timed for Compensation Value [Flag] Awards Close in Time to MNPI Disclosures [Table Text Block] Awards Close in Time to MNPI Disclosures, Individual Name Award Underlying Securities Amount Award Exercise Price Award Grant Date Fair Value Underlying Security Market Price Change, Percent Trading Arrangements, by Individual [Table] Trading Arrangement [Axis] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted [Flag] Insider Trading Policies and Procedures Not Adopted [Text Block] -aggregate change in actuarial present value of pension benefits +service cost of pension benefits +prior service cost of pension benefits -SCT “Stock Awards” column value -SCT “Option Awards” column value + aggregate total of change in fair value of equity awards granted in prior years that are outstanding and unvested as of the covered year-end +aggregate total of vesting date fair value of equity awards granted and vested in the covered year +/- aggregate total of change in fair value of equity awards granted in prior years that vested in the covered year -aggregate total fair value as of prior-year end of equity awards granted in prior years that failed to vest in the covered year +dollar value of dividends/earnings paid prior to the vesting date on equity awards in the covered year +excess fair value for equity award modifications +aggregate total of year-end fair value of equity awards granted in the covered year that are outstanding and unvested as of the covered year-end +aggregate total of year-over-year change in fair value of equity awards granted in prior years that are outstanding and unvested as of the covered year-end