{
 "instance": {
  "tgh12312019-10q.htm": {
   "axisCustom": 1,
   "axisStandard": 34,
   "contextCount": 369,
   "dts": {
    "calculationLink": {
     "local": [
      "thr-20191231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "thr-20191231_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-eedm-def-2018-01-31.xml",
      "http://xbrl.fasb.org/srt/2018/elts/srt-eedm1-def-2018-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "tgh12312019-10q.htm"
     ]
    },
    "labelLink": {
     "local": [
      "thr-20191231_lab.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-doc-2018-01-31.xml",
      "http://xbrl.sec.gov/invest/2013/invest-doc-2013-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "thr-20191231_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.sec.gov/invest/2013/invest-ref-2013-01-31.xml",
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-ref-2018-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "thr-20191231.xsd"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd",
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2018/elts/srt-types-2018-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-roles-2018-01-31.xsd",
      "http://xbrl.fasb.org/srt/2018/elts/srt-roles-2018-01-31.xsd",
      "http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-types-2018-01-31.xsd",
      "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "https://xbrl.sec.gov/exch/2018/exch-2018-01-31.xsd",
      "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd",
      "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd",
      "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2018/elts/us-parts-codification-2018-01-31.xsd"
     ]
    }
   },
   "elementCount": 546,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2018-01-31": 41,
    "http://www.thermon.com/20191231": 2,
    "http://xbrl.sec.gov/dei/2019-01-31": 5,
    "total": 48
   },
   "keyCustom": 44,
   "keyStandard": 336,
   "memberCustom": 20,
   "memberStandard": 56,
   "nsprefix": "thr",
   "nsuri": "http://www.thermon.com/20191231",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:Security12bTitle",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001000 - Document - Cover Page",
     "role": "http://www.thermon.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:Security12bTitle",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2104100 - Disclosure - Net Income per Common Share",
     "role": "http://www.thermon.com/role/NetIncomePerCommonShare",
     "shortName": "Net Income per Common Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2105100 - Disclosure - Inventories",
     "role": "http://www.thermon.com/role/Inventories",
     "shortName": "Inventories",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:InventoryDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106100 - Disclosure - Goodwill",
     "role": "http://www.thermon.com/role/Goodwill",
     "shortName": "Goodwill",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107100 - Disclosure - Accrued Liabilities",
     "role": "http://www.thermon.com/role/AccruedLiabilities",
     "shortName": "Accrued Liabilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ShortTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2108100 - Disclosure - Short-Term Revolving Credit Facilities",
     "role": "http://www.thermon.com/role/ShortTermRevolvingCreditFacilities",
     "shortName": "Short-Term Revolving Credit Facilities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ShortTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2109100 - Disclosure - Long-Term Debt",
     "role": "http://www.thermon.com/role/LongTermDebt",
     "shortName": "Long-Term Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2110100 - Disclosure - Related-Party Transactions",
     "role": "http://www.thermon.com/role/RelatedPartyTransactions",
     "shortName": "Related-Party Transactions",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2111100 - Disclosure - Commitments and Contingencies",
     "role": "http://www.thermon.com/role/CommitmentsAndContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2112100 - Disclosure - Stock-Based Compensation Expense",
     "role": "http://www.thermon.com/role/StockBasedCompensationExpense",
     "shortName": "Stock-Based Compensation Expense",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2118100 - Disclosure - Revenue from Contracts with Customers",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomers",
     "shortName": "Revenue from Contracts with Customers",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueFromContractWithCustomerTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001000 - Statement - Condensed Consolidated Balance Sheets",
     "role": "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
     "shortName": "Condensed Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AccountsReceivableNetCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2119100 - Disclosure - Income Taxes",
     "role": "http://www.thermon.com/role/IncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2120100 - Disclosure - Segment Information",
     "role": "http://www.thermon.com/role/SegmentInformation",
     "shortName": "Segment Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UseOfEstimates",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2201201 - Disclosure - Basis of Presentation and Accounting Policy Information (Policies)",
     "role": "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationPolicies",
     "shortName": "Basis of Presentation and Accounting Policy Information (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UseOfEstimates",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCashAndCashEquivalentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2301302 - Disclosure - Basis of Presentation and Accounting Policy Information Table (Tables)",
     "role": "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationTableTables",
     "shortName": "Basis of Presentation and Accounting Policy Information Table (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCashAndCashEquivalentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2302301 - Disclosure - Fair Value Measurements (Tables)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsTables",
     "shortName": "Fair Value Measurements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2303301 - Disclosure - Leases (Tables)",
     "role": "http://www.thermon.com/role/LeasesTables",
     "shortName": "Leases (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LeaseCostTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2304301 - Disclosure - Earnings and Net Income (Loss) per Common Share (Tables)",
     "role": "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareTables",
     "shortName": "Earnings and Net Income (Loss) per Common Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2305301 - Disclosure - Inventories (Tables)",
     "role": "http://www.thermon.com/role/InventoriesTables",
     "shortName": "Inventories (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfGoodwillTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2306301 - Disclosure - Goodwill (Tables)",
     "role": "http://www.thermon.com/role/GoodwillTables",
     "shortName": "Goodwill (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfGoodwillTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2307301 - Disclosure - Accrued Liabilities (Tables)",
     "role": "http://www.thermon.com/role/AccruedLiabilitiesTables",
     "shortName": "Accrued Liabilities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": null,
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
     "shortName": "Condensed Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2309301 - Disclosure - Long-Term Debt (Tables)",
     "role": "http://www.thermon.com/role/LongTermDebtTables",
     "shortName": "Long-Term Debt (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2318301 - Disclosure - Revenue from Contracts with Customers (Tables)",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomersTables",
     "shortName": "Revenue from Contracts with Customers (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisaggregationOfRevenueTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2320301 - Disclosure - Segment Information (Tables)",
     "role": "http://www.thermon.com/role/SegmentInformationTables",
     "shortName": "Segment Information (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2401403 - Disclosure - Basis of Presentation and Accounting Policy Information (Details)",
     "role": "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails",
     "shortName": "Basis of Presentation and Accounting Policy Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_LongtermDebtTypeAxis_us-gaap_LoansPayableMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402402 - Disclosure - Fair Value Measurements (Details)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsDetails",
     "shortName": "Fair Value Measurements (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_LongtermDebtTypeAxis_us-gaap_LoansPayableMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DueToRelatedPartiesCurrentAndNoncurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402403 - Disclosure - Fair Value Measurements Fair Value Measurements - Cross Currency Swaps (Details)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails",
     "shortName": "Fair Value Measurements Fair Value Measurements - Cross Currency Swaps (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:EquityMethodInvestmentUnrealizedIntercompanyProfitLossNotEliminatedAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DeferredCompensationPlanAssets",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402404 - Disclosure - Fair Value Measurements (Deferred compensation plan) (Details)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsDeferredCompensationPlanDetails",
     "shortName": "Fair Value Measurements (Deferred compensation plan) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2019Q4",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DeferredCompensationPlanAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MaximumRemainingMaturityOfForeignCurrencyDerivatives1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402405 - Disclosure - Fair Value Measurements - Foreign Exchange Contracts (Details)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails",
     "shortName": "Fair Value Measurements - Foreign Exchange Contracts (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MaximumRemainingMaturityOfForeignCurrencyDerivatives1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "invest:DerivativeNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402406 - Disclosure - Fair Value Measurements - Foreign Exchange Contracts by Currency (Details)",
     "role": "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails",
     "shortName": "Fair Value Measurements - Foreign Exchange Contracts by Currency (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_ForeignExchangeForwardMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "invest:DerivativeNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_srt_RangeAxis_srt_MaximumMember_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_EquipmentMember",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeaseTermOfContract",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403402 - Disclosure - Leases - Narrative (Details)",
     "role": "http://www.thermon.com/role/LeasesNarrativeDetails",
     "shortName": "Leases - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_srt_RangeAxis_srt_MaximumMember_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_EquipmentMember",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeaseTermOfContract",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002000 - Statement - Condensed Consolidated Statements of Comprehensive Income",
     "role": "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
     "shortName": "Condensed Consolidated Statements of Comprehensive Income",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CostOfGoodsAndServicesSold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403403 - Disclosure - Leases - Lease Term and Discount Rate (Details)",
     "role": "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails",
     "shortName": "Leases - Lease Term and Discount Rate (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "thr:AssetsAndLiabilitiesLesseeTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseRightOfUseAsset",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403404 - Disclosure - Leases - Supplemental Balance Sheet Information (Details)",
     "role": "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails",
     "shortName": "Leases - Supplemental Balance Sheet Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "thr:AssetsAndLiabilitiesLesseeTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:FinanceLeaseRightOfUseAsset",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LeaseCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403405 - Disclosure - Leases - Supplemental Statement of Operations Information (Details)",
     "role": "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails",
     "shortName": "Leases - Supplemental Statement of Operations Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LeaseCostTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LeaseCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeasePayments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403406 - Disclosure - Leases - Supplemental Statement Of Cash Flows Information (Details)",
     "role": "http://www.thermon.com/role/LeasesSupplementalStatementOfCashFlowsInformationDetails",
     "shortName": "Leases - Supplemental Statement Of Cash Flows Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeasePayments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403407 - Disclosure - Leases - Future Minimum Lease Payments (Details)",
     "role": "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails",
     "shortName": "Leases - Future Minimum Lease Payments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
       "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404402 - Disclosure - Earnings and Net Income (Loss) per Common Share (Details)",
     "role": "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails",
     "shortName": "Earnings and Net Income (Loss) per Common Share (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD_us-gaap_StatementClassOfStockAxis_us-gaap_StockOptionMember",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterials",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - Inventories (Details)",
     "role": "http://www.thermon.com/role/InventoriesDetails",
     "shortName": "Inventories (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfInventoryCurrentTableTextBlock",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InventoryRawMaterials",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2019Q4",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:Goodwill",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406403 - Disclosure - Goodwill (Details)",
     "role": "http://www.thermon.com/role/GoodwillDetails",
     "shortName": "Goodwill (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfGoodwillTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2019Q4_srt_ConsolidationItemsAxis_us-gaap_OperatingSegmentsMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:Goodwill",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406408 - Disclosure - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details)",
     "role": "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails",
     "shortName": "Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "thr:EmployeerelatedLiabilitiesExcludingCompensationRelatedtoAcquisitionCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407402 - Disclosure - Accrued Liabilities (Details)",
     "role": "http://www.thermon.com/role/AccruedLiabilitiesDetails",
     "shortName": "Accrued Liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "thr:EmployeerelatedLiabilitiesExcludingCompensationRelatedtoAcquisitionCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2018Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockSharesOutstanding",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004000 - Statement - Condensed Consolidated Statements of Equity Statement",
     "role": "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
     "shortName": "Condensed Consolidated Statements of Equity Statement",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2019Q1QTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:LinesOfCreditCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408401 - Disclosure - Short-Term Revolving Lines of Credit (Details)",
     "role": "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails",
     "shortName": "Short-Term Revolving Lines of Credit (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecuredDebtCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409402 - Disclosure - Long-Term Debt (Details)",
     "role": "http://www.thermon.com/role/LongTermDebtDetails",
     "shortName": "Long-Term Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "I2019Q1April2",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2410401 - Disclosure - Related-Party Transactions (Details)",
     "role": "http://www.thermon.com/role/RelatedPartyTransactionsDetails",
     "shortName": "Related-Party Transactions (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "I2019Q1April2",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:GuaranteeObligationsMaximumExposure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411401 - Disclosure - Commitments and Contingencies (Details)",
     "role": "http://www.thermon.com/role/CommitmentsAndContingenciesDetails",
     "shortName": "Commitments and Contingencies (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:GuaranteeObligationsMaximumExposure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "D2015Q1May10-June14",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "thr:NumberOfStockOptionAwardPlans",
      "reportCount": 1,
      "unique": true,
      "unitRef": "plan",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412401 - Disclosure - Stock-Based Compensation Expense (Details)",
     "role": "http://www.thermon.com/role/StockBasedCompensationExpenseDetails",
     "shortName": "Stock-Based Compensation Expense (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "D2015Q1May10-June14",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "thr:NumberOfStockOptionAwardPlans",
      "reportCount": 1,
      "unique": true,
      "unitRef": "plan",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418402 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details)",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
     "shortName": "Revenue from Contracts with Customers - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD_us-gaap_TimingOfTransferOfGoodOrServiceAxis_us-gaap_TransferredAtPointInTimeMember",
      "decimals": "3",
      "lang": null,
      "name": "thr:TotalRevenuePercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncreaseDecreaseInContractWithCustomerAsset",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418403 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersContractAssetsAndContractLiabilitiesDetails",
     "shortName": "Revenue from Contracts with Customers Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418404 - Disclosure - Revenue from Contracts with Customers Revenue from Contracts with Customers - Disaggregation of Revenue (Details)",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails",
     "shortName": "Revenue from Contracts with Customers Revenue from Contracts with Customers - Disaggregation of Revenue (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD_us-gaap_TimingOfTransferOfGoodOrServiceAxis_us-gaap_TransferredAtPointInTimeMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain_2019-04-01",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418405 - Disclosure - Revenue from Contracts with Customers - Performance Obligation (Details)",
     "role": "http://www.thermon.com/role/RevenueFromContractsWithCustomersPerformanceObligationDetails",
     "shortName": "Revenue from Contracts with Customers - Performance Obligation (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FI2020Q3_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain_2019-04-01",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:RevenueRemainingPerformanceObligation",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2419402 - Disclosure - Income Taxes (Details)",
     "role": "http://www.thermon.com/role/IncomeTaxesDetails",
     "shortName": "Income Taxes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProfitLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005000 - Statement - Condensed Consolidated Statements of Cash Flows",
     "role": "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows",
     "shortName": "Condensed Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DepreciationAndAmortization",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420402 - Disclosure - Segment Information (Details)",
     "role": "http://www.thermon.com/role/SegmentInformationDetails",
     "shortName": "Segment Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "segment",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "thr:CapitalExpendituresByReportableSegmentTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420403 - Disclosure - Segment Information - Capital Expenditures (Details)",
     "role": "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails",
     "shortName": "Segment Information - Capital Expenditures (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "thr:CapitalExpendituresByReportableSegmentTableTextBlock",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101100 - Disclosure - Basis of Presentation and Accounting Policy Information",
     "role": "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformation",
     "shortName": "Basis of Presentation and Accounting Policy Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2102100 - Disclosure - Fair Value Measurements",
     "role": "http://www.thermon.com/role/FairValueMeasurements",
     "shortName": "Fair Value Measurements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2103100 - Disclosure - Leases",
     "role": "http://www.thermon.com/role/Leases",
     "shortName": "Leases",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "tgh12312019-10q.htm",
      "contextRef": "FD2020Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LesseeOperatingLeasesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 84,
   "tag": {
    "country_CA": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "CANADA",
        "terseLabel": "Canada"
       }
      }
     },
     "localname": "CA",
     "nsuri": "http://xbrl.sec.gov/country/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "country_US": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "United States and Latin America"
       }
      }
     },
     "localname": "US",
     "nsuri": "http://xbrl.sec.gov/country/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_AUD": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Australia, Dollars",
        "terseLabel": "Australian Dollar"
       }
      }
     },
     "localname": "AUD",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_AllCurrenciesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "All Currencies [Domain]",
        "terseLabel": "Currency [Domain]"
       }
      }
     },
     "localname": "AllCurrenciesDomain",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_CAD": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Canada, Dollars",
        "terseLabel": "Canadian Dollar"
       }
      }
     },
     "localname": "CAD",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_EUR": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Euro Member Countries, Euro",
        "terseLabel": "Euro"
       }
      }
     },
     "localname": "EUR",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_GBP": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "United Kingdom, Pounds",
        "terseLabel": "Great Britain Pound"
       }
      }
     },
     "localname": "GBP",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_KRW": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Korea (South), Won",
        "terseLabel": "South Korean Won"
       }
      }
     },
     "localname": "KRW",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_MXN": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Mexico, Pesos",
        "terseLabel": "Mexican Peso"
       }
      }
     },
     "localname": "MXN",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "currency_RUB": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Russia, Rubles",
        "terseLabel": "Russian Ruble"
       }
      }
     },
     "localname": "RUB",
     "nsuri": "http://xbrl.sec.gov/currency/2017-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover page."
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r384"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an quarterly report.",
        "label": "Document Quarterly Report",
        "terseLabel": "Document Quarterly Report"
       }
      }
     },
     "localname": "DocumentQuarterlyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r385"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine3": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 3 such as an Office Park",
        "label": "Entity Address, Address Line Three",
        "terseLabel": "Entity Address, Address Line Three"
       }
      }
     },
     "localname": "EntityAddressAddressLine3",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r387"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r386"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r382"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r383"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.thermon.com/role/CoverPage"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "invest_DerivativeNotionalAmount": {
     "auth_ref": [
      "r388"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.",
        "label": "Derivative, Notional Amount",
        "terseLabel": "Notional amount"
       }
      }
     },
     "localname": "DerivativeNotionalAmount",
     "nsuri": "http://xbrl.sec.gov/invest/2013-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "srt_AsiaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Asia [Member]",
        "terseLabel": "Asia-Pacific"
       }
      }
     },
     "localname": "AsiaMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidatedEntitiesAxis": {
     "auth_ref": [
      "r381"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidated Entities [Axis]",
        "terseLabel": "Consolidated Entities [Axis]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidatedEntitiesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidated Entities [Domain]",
        "terseLabel": "Consolidated Entities [Domain]"
       }
      }
     },
     "localname": "ConsolidatedEntitiesDomain",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidationItemsAxis": {
     "auth_ref": [
      "r130",
      "r138"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidation Items [Axis]",
        "terseLabel": "Consolidation Items [Axis]"
       }
      }
     },
     "localname": "ConsolidationItemsAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidationItemsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Consolidation Items [Domain]",
        "terseLabel": "Consolidation Items [Domain]"
       }
      }
     },
     "localname": "ConsolidationItemsDomain",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [
      "r54",
      "r97"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_CurrencyAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Currency [Axis]",
        "terseLabel": "Currency [Axis]"
       }
      }
     },
     "localname": "CurrencyAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_EuropeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Europe [Member]",
        "terseLabel": "Europe, Middle East and Africa"
       }
      }
     },
     "localname": "EuropeMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_OwnershipAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Ownership [Axis]",
        "terseLabel": "Ownership [Axis]"
       }
      }
     },
     "localname": "OwnershipAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_OwnershipDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Ownership [Domain]",
        "terseLabel": "Ownership [Domain]"
       }
      }
     },
     "localname": "OwnershipDomain",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Range [Axis]",
        "terseLabel": "Range [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Range [Domain]",
        "terseLabel": "Range [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [
      "r140",
      "r202",
      "r205",
      "r379",
      "r380"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_SubsidiariesMember": {
     "auth_ref": [
      "r211",
      "r331",
      "r333"
     ],
     "lang": {
      "en-US": {
       "role": {
        "label": "Subsidiaries [Member]",
        "terseLabel": "Thermon Holding Corp."
       }
      }
     },
     "localname": "SubsidiariesMember",
     "nsuri": "http://fasb.org/srt/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_AmortizationofInventoryStepup": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortization of Inventory Step-up",
        "label": "Amortization of Inventory Step-up",
        "terseLabel": "Amortization of inventory step-up"
       }
      }
     },
     "localname": "AmortizationofInventoryStepup",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_AsiaSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asia Segment [Member]",
        "label": "Asia Segment [Member]",
        "terseLabel": "Asia-Pacific"
       }
      }
     },
     "localname": "AsiaSegmentMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_AssetsAndLiabilitiesLesseeTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Assets And Liabilities, Lessee [Table Text Block]",
        "label": "Assets And Liabilities, Lessee [Table Text Block]",
        "terseLabel": "Supplemental Balance Sheet Information"
       }
      }
     },
     "localname": "AssetsAndLiabilitiesLesseeTableTextBlock",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "thr_CDORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "CDOR [Member]",
        "label": "CDOR [Member]",
        "terseLabel": "CDOR"
       }
      }
     },
     "localname": "CDORMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_CanadaSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Canada Segment [Member]",
        "label": "Canada Segment [Member]",
        "terseLabel": "Canada"
       }
      }
     },
     "localname": "CanadaSegmentMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_CanadianBaseRateMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Canadian Base Rate [Member]",
        "label": "Canadian Base Rate [Member]",
        "terseLabel": "Canadian Base Rate [Member]"
       }
      }
     },
     "localname": "CanadianBaseRateMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_CanadianBorrowerMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Canadian Borrower [Member]",
        "label": "Canadian Borrower [Member]",
        "terseLabel": "Canadian Borrower"
       }
      }
     },
     "localname": "CanadianBorrowerMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_CapitalExpendituresByReportableSegmentTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Capital Expenditures By Reportable Segment [Table Text Block]",
        "label": "Capital Expenditures By Reportable Segment [Table Text Block]",
        "terseLabel": "Capital expenditures by geographic area"
       }
      }
     },
     "localname": "CapitalExpendituresByReportableSegmentTableTextBlock",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "thr_DebtInstrumentCovenantComplianceMaximumLeverageRatio": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Covenant Compliance, Maximum Leverage Ratio",
        "label": "Debt Instrument, Covenant Compliance, Maximum Leverage Ratio",
        "terseLabel": "Maximum leverage ratio"
       }
      }
     },
     "localname": "DebtInstrumentCovenantComplianceMaximumLeverageRatio",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantCoverageRatio": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Coverage Ratio",
        "label": "Debt Instrument, Debt Covenant, Coverage Ratio",
        "terseLabel": "Debt covenant, coverage ratio"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantCoverageRatio",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantMaximumLeverageRatioRequirementForMinimumRepayment": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio Requirement For Minimum Repayment",
        "label": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio Requirement For Minimum Repayment",
        "terseLabel": "Maximum leverage ratio requirement for minimum repayment"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantMaximumLeverageRatioRequirementForMinimumRepayment",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantMaximumLeverageRatioRequirementForReducedRepayment": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio Requirement For Reduced Repayment",
        "label": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio Requirement For Reduced Repayment",
        "terseLabel": "Maximum leverage ratio requirement for reduced payment"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantMaximumLeverageRatioRequirementForReducedRepayment",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantMaximumLeverageRatiotoSecureAdditionalBorrowing": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio to Secure Additional Borrowing",
        "label": "Debt Instrument, Debt Covenant, Maximum Leverage Ratio to Secure Additional Borrowing",
        "terseLabel": "Maximum leverage ratio to secure additional borrowing"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantMaximumLeverageRatiotoSecureAdditionalBorrowing",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantMinimumLeverageRatioRequirementForReducedRepayment": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Minimum Leverage Ratio Requirement For Reduced Repayment",
        "label": "Debt Instrument, Debt Covenant, Minimum Leverage Ratio Requirement For Reduced Repayment",
        "terseLabel": "Minimum leverage ratio requirement for reduced payment"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantMinimumLeverageRatioRequirementForReducedRepayment",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "pureItemType"
    },
    "thr_DebtInstrumentDebtCovenantMinimumRepaymentRequirementPercentageofExcessCashFlow": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Minimum Repayment Requirement, Percentage of Excess Cash Flow",
        "label": "Debt Instrument, Debt Covenant, Minimum Repayment Requirement, Percentage of Excess Cash Flow",
        "terseLabel": "Minimum repayment requirement percentage of excess cash flow"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantMinimumRepaymentRequirementPercentageofExcessCashFlow",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_DebtInstrumentDebtCovenantReducedRepaymentRequirementPercentageofExcessCashFlow": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Reduced Repayment Requirement, Percentage of Excess Cash Flow",
        "label": "Debt Instrument, Debt Covenant, Reduced Repayment Requirement, Percentage of Excess Cash Flow",
        "terseLabel": "Reduced repayment requirement, percentage of excess cash flow"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantReducedRepaymentRequirementPercentageofExcessCashFlow",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_DebtInstrumentDebtCovenantRepaymentrequirementPercentageofExcessCashFlow": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Debt Covenant, Repayment requirement, Percentage of Excess Cash Flow",
        "label": "Debt Instrument, Debt Covenant, Repayment requirement, Percentage of Excess Cash Flow",
        "terseLabel": "Repayment requirement, percentage of excess cash flow"
       }
      }
     },
     "localname": "DebtInstrumentDebtCovenantRepaymentrequirementPercentageofExcessCashFlow",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_DebtInstrumentQuarterlyAmortizationPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Quarterly Amortization, Percent",
        "label": "Debt Instrument, Quarterly Amortization, Percent",
        "terseLabel": "Quarterly amortization of debt, percent"
       }
      }
     },
     "localname": "DebtInstrumentQuarterlyAmortizationPercent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_DebtInstrumentVariableInterestRateFloor": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Variable Interest Rate Floor",
        "label": "Debt Instrument, Variable Interest Rate Floor",
        "terseLabel": "Variable interest rate floor"
       }
      }
     },
     "localname": "DebtInstrumentVariableInterestRateFloor",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_DebtProceedsUsedasConsiderationForBusinessAcquisition": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Proceeds Used as Consideration For Business Acquisition",
        "label": "Debt Proceeds Used as Consideration For Business Acquisition",
        "terseLabel": "Debt proceeds used as consideration for business acquisition"
       }
      }
     },
     "localname": "DebtProceedsUsedasConsiderationForBusinessAcquisition",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_EmployeerelatedLiabilitiesAcquisitionRelatedExpenseCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Employee-related Liabilities, Acquisition Related Expense, Current",
        "label": "Employee-related Liabilities, Acquisition Related Expense, Current",
        "terseLabel": "Accrued interest"
       }
      }
     },
     "localname": "EmployeerelatedLiabilitiesAcquisitionRelatedExpenseCurrent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_EmployeerelatedLiabilitiesExcludingCompensationRelatedtoAcquisitionCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Employee-related Liabilities, Excluding Compensation Related to Acquisition, Current",
        "label": "Employee-related Liabilities, Excluding Compensation Related to Acquisition, Current",
        "terseLabel": "Accrued employee compensation and related expenses"
       }
      }
     },
     "localname": "EmployeerelatedLiabilitiesExcludingCompensationRelatedtoAcquisitionCurrent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_EmployeesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Employees [Member]",
        "label": "Employees [Member]",
        "terseLabel": "Employees"
       }
      }
     },
     "localname": "EmployeesMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_EuropeSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Europe Segment [Member]",
        "label": "Europe Segment [Member]",
        "terseLabel": "Europe, Middle East and Africa"
       }
      }
     },
     "localname": "EuropeSegmentMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_FinanceAndOperatingLeaseAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Assets [Abstract]",
        "label": "Finance And Operating Lease, Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseAssetsAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_FinanceAndOperatingLeaseLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Liabilities [Abstract]",
        "label": "Finance And Operating Lease, Liabilities [Abstract]",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseLiabilitiesAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_FinanceAndOperatingLeaseLiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Liabilities, Current [Abstract]",
        "label": "Finance And Operating Lease, Liabilities, Current [Abstract]",
        "terseLabel": "Current"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseLiabilitiesCurrentAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_FinanceAndOperatingLeaseLiabilitiesNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Liabilities, Noncurrent [Abstract]",
        "label": "Finance And Operating Lease, Liabilities, Noncurrent [Abstract]",
        "terseLabel": "Non-current"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseLiabilitiesNoncurrentAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_FinanceAndOperatingLeaseLiability": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Liability",
        "label": "Finance And Operating Lease, Liability",
        "totalLabel": "Total lease liabilities"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseLiability",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_FinanceAndOperatingLeaseRightofUseAsset": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finance And Operating Lease, Right-of-Use Asset",
        "label": "Finance And Operating Lease, Right-of-Use Asset",
        "totalLabel": "Total right-of-use assets"
       }
      }
     },
     "localname": "FinanceAndOperatingLeaseRightofUseAsset",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_ForeignCurrencyTransactionGainLossNetOfImpactOfForeignCurrencyDerivativesOnEarnings": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Foreign Currency Transaction Gain (Loss), Net of Impact of Foreign Currency Derivatives on Earnings",
        "label": "Foreign Currency Transaction Gain (Loss), Net of Impact of Foreign Currency Derivatives on Earnings",
        "terseLabel": "Transaction gains (losses) denominated in foreign currencies"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossNetOfImpactOfForeignCurrencyDerivativesOnEarnings",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_GuaranteeObligationsRepresentedByReductionOfAvailableAmountOfLinesOfCredit": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the amount of guarantee obligations represented by a reduction of the available amount of the entity's revolving lines of credit.",
        "label": "Guarantee Obligations Represented by Reduction of Available Amount of Lines of Credit",
        "terseLabel": "Guarantee obligations represented by a reduction of the available amount of the company's short term and long term revolving lines of credit"
       }
      }
     },
     "localname": "GuaranteeObligationsRepresentedByReductionOfAvailableAmountOfLinesOfCredit",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_GuaranteeObligationsSecuredByCashDeposits": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the amount of guarantee obligations secured by cash deposits.",
        "label": "Guarantee Obligations Secured by Cash Deposits",
        "terseLabel": "Guarantee obligations secured by cash deposits"
       }
      }
     },
     "localname": "GuaranteeObligationsSecuredByCashDeposits",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_IncreaseDecreaseInUncertaintyInIncomeTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increase (Decrease) In Uncertainty In Income Taxes",
        "label": "Increase (Decrease) In Uncertainty In Income Taxes",
        "negatedTerseLabel": "Release of reserve for uncertain tax positions"
       }
      }
     },
     "localname": "IncreaseDecreaseInUncertaintyInIncomeTaxes",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_IndianCustomBondsOutstanding": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indian Custom Bonds Outstanding",
        "label": "Indian Custom Bonds Outstanding",
        "terseLabel": "Indian custom bonds outstanding"
       }
      }
     },
     "localname": "IndianCustomBondsOutstanding",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_LesseeLeaseRenewalTerm": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Lease, Renewal Term",
        "label": "Lessee, Lease, Renewal Term",
        "terseLabel": "Lease renewal term"
       }
      }
     },
     "localname": "LesseeLeaseRenewalTerm",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "thr_LesseeWeightedAverageDiscountRatePercentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Weighted Average Discount Rate, Percent [Abstract]",
        "label": "Lessee, Weighted Average Discount Rate, Percent [Abstract]",
        "terseLabel": "Weighted average discount rate"
       }
      }
     },
     "localname": "LesseeWeightedAverageDiscountRatePercentAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_LesseeWeightedAverageRemainingLeaseTermAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessee, Weighted Average Remaining Lease Term [Abstract]",
        "label": "Lessee, Weighted Average Remaining Lease Term [Abstract]",
        "terseLabel": "Weighted average remaining lease term"
       }
      }
     },
     "localname": "LesseeWeightedAverageRemainingLeaseTermAbstract",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_LiabilityForUncertaintyInIncomeTaxesReservesReleased": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Liability For Uncertainty In Income Taxes, Reserves Released",
        "label": "Liability For Uncertainty In Income Taxes, Reserves Released",
        "terseLabel": "Reserves released"
       }
      }
     },
     "localname": "LiabilityForUncertaintyInIncomeTaxesReservesReleased",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_LineofCreditFacilityAdditionalBorrowingCapacity": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line of Credit Facility, Additional Borrowing Capacity",
        "label": "Line of Credit Facility, Additional Borrowing Capacity",
        "terseLabel": "Additional borrowing capacity"
       }
      }
     },
     "localname": "LineofCreditFacilityAdditionalBorrowingCapacity",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_LongTermIncentivePlan2011Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the 2011 Long-Term Incentive Plan of the entity.",
        "label": "Long Term Incentive Plan 2011 [Member]",
        "terseLabel": "2011 Long-term Incentive Plan"
       }
      }
     },
     "localname": "LongTermIncentivePlan2011Member",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_NoncontrollingInterestRemeasurementPeriodIncreaseDecrease": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncontrolling Interest, Remeasurement Period Increase (Decrease)",
        "label": "Noncontrolling Interest, Remeasurement Period Increase (Decrease)",
        "terseLabel": "Remeasurement of non-controlling interest"
       }
      }
     },
     "localname": "NoncontrollingInterestRemeasurementPeriodIncreaseDecrease",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_NumberOfStockOptionAwardPlans": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number Of Stock Option Award Plans",
        "label": "Number Of Stock Option Award Plans",
        "terseLabel": "Number of stock option award plans"
       }
      }
     },
     "localname": "NumberOfStockOptionAwardPlans",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "thr_NumberofFormerPrincipals": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Former Principals",
        "label": "Number of Former Principals",
        "terseLabel": "Number of Former Principals"
       }
      }
     },
     "localname": "NumberofFormerPrincipals",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "thr_OperatingAndFinanceLeaseLiabilityCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Operating And Finance Lease, Liability, Current",
        "label": "Operating And Finance Lease, Liability, Current",
        "verboseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "OperatingAndFinanceLeaseLiabilityCurrent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_OperatingAndFinanceLeaseLiabilityNoncurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Operating And Finance Lease, Liability, Noncurrent",
        "label": "Operating And Finance Lease, Liability, Noncurrent",
        "verboseLabel": "Non-current lease liabilities"
       }
      }
     },
     "localname": "OperatingAndFinanceLeaseLiabilityNoncurrent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingAdjustmentsPortionAttributableToParent": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Comprehensive Income (Loss), Foreign Currency Transaction And Translation Adjustment, Net Of Tax, Including Adjustments, Portion Attributable To Parent",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction And Translation Adjustment, Net Of Tax, Including Adjustments, Portion Attributable To Parent",
        "terseLabel": "Foreign currency translation adjustment"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxIncludingAdjustmentsPortionAttributableToParent",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_PaymentstoRelatedPartyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payments to Related Party [Member]",
        "label": "Payments to Related Party [Member]",
        "terseLabel": "Payments to Related Party"
       }
      }
     },
     "localname": "PaymentstoRelatedPartyMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_PercentageOfReceivablesFromCustomer": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage Of Receivables From Customer",
        "label": "Percentage Of Receivables From Customer",
        "terseLabel": "Percentage Of Receivables From Customer"
       }
      }
     },
     "localname": "PercentageOfReceivablesFromCustomer",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_PeriodAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period [Axis]",
        "label": "Period [Axis]",
        "terseLabel": "Period [Axis]"
       }
      }
     },
     "localname": "PeriodAxis",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "thr_PeriodDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Domain] for Period [Axis]",
        "label": "Period [Domain]",
        "terseLabel": "Period [Domain]"
       }
      }
     },
     "localname": "PeriodDomain",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_PeriodOneMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period One [Member]",
        "label": "Period One [Member]",
        "terseLabel": "Through March 31, 2019"
       }
      }
     },
     "localname": "PeriodOneMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_ProceedsfromSaleofPropertyPlantandEquipmentExcludingRentalEquipment": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from Sale of Property, Plant, and Equipment, Excluding Rental Equipment",
        "label": "Proceeds from Sale of Property, Plant, and Equipment, Excluding Rental Equipment",
        "terseLabel": "Proceeds from sale of property, plant and equipment"
       }
      }
     },
     "localname": "ProceedsfromSaleofPropertyPlantandEquipmentExcludingRentalEquipment",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_ProceedsfromSaleofPropertyPlantandEquipmentRentalEquipment": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from Sale of Property, Plant, and Equipment, Rental Equipment",
        "label": "Proceeds from Sale of Property, Plant, and Equipment, Rental Equipment",
        "terseLabel": "Sale of rental equipment"
       }
      }
     },
     "localname": "ProceedsfromSaleofPropertyPlantandEquipmentRentalEquipment",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_PublicCompanyCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Public Company Costs",
        "label": "Public Company Costs",
        "verboseLabel": "Public company costs"
       }
      }
     },
     "localname": "PublicCompanyCosts",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_RestrictedStockAndStockOptionPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the restricted stock and stock option plan of the entity.",
        "label": "Restricted Stock and Stock Option Plan [Member]",
        "terseLabel": "Restricted Stock and Stock Option Plan"
       }
      }
     },
     "localname": "RestrictedStockAndStockOptionPlanMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_RevenueasaPercentageofSalesandOperatingIncome": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Revenue as a Percentage of Sales and Operating Income",
        "label": "Revenue as a Percentage of Sales and Operating Income",
        "terseLabel": "Expected sales and operating income as a percentage of total sales and operating income, less than"
       }
      }
     },
     "localname": "RevenueasaPercentageofSalesandOperatingIncome",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_ScheduleOfIntangibleAssetsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of Intangible Assets [Table Text Block]",
        "label": "Schedule of Intangible Assets [Table Text Block]",
        "terseLabel": "Schedule of intangible assets"
       }
      }
     },
     "localname": "ScheduleOfIntangibleAssetsTableTextBlock",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/GoodwillTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "thr_SellingGeneralandAdministrativeExpenseAmortization": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Selling General and Administrative Expense, Amortization",
        "label": "Selling General and Administrative Expense, Amortization",
        "terseLabel": "Amortization of intangible assets"
       }
      }
     },
     "localname": "SellingGeneralandAdministrativeExpenseAmortization",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPossibleNumberofPerformanceSharestobeGranted": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsPossibleNumberofPerformanceSharestobeGranted",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "thr_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueofSharesAuthorizedAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value of Shares Authorized Amount",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value of Shares Authorized Amount",
        "terseLabel": "Share-based compensation arrangement by share-based payment award, fair value of shares authorized amount"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueofSharesAuthorizedAmount",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "thr_StockofFirstTierMaterialForeignSubsidiariesDomesticBorrowerandDomesticSubsidiaryMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock of First Tier Material Foreign Subsidiaries, Domestic Borrower, and Domestic Subsidiary [Member]",
        "label": "Stock of First Tier Material Foreign Subsidiaries, Domestic Borrower, and Domestic Subsidiary [Member]",
        "terseLabel": "Stock of First Tier Material Foreign Subsidiaries, US Borrower, and US Subsidiary"
       }
      }
     },
     "localname": "StockofFirstTierMaterialForeignSubsidiariesDomesticBorrowerandDomesticSubsidiaryMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_SubsidiaryEquityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Subsidiary Equity [Member]",
        "label": "Subsidiary Equity [Member]",
        "terseLabel": "Subsidiary Stock"
       }
      }
     },
     "localname": "SubsidiaryEquityMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_SumacBusinessMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sumac Business [Member]",
        "label": "Sumac Business [Member]",
        "terseLabel": "Sumac Business"
       }
      }
     },
     "localname": "SumacBusinessMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_SumacFabricationCompanyLimitedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sumac Fabrication Company Limited [Member]",
        "label": "Sumac Fabrication Company Limited [Member]",
        "terseLabel": "Sumac Fabrication Company Limited"
       }
      }
     },
     "localname": "SumacFabricationCompanyLimitedMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_TermLoanAdueApril2019Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term Loan A due April 2019 [Member]",
        "label": "Term Loan A due April 2019 [Member]",
        "terseLabel": "Term Loan A due April 2019"
       }
      }
     },
     "localname": "TermLoanAdueApril2019Member",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_ThermonHeatingSystemsInc.Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Thermon Heating Systems Inc. [Member]",
        "label": "Thermon Heating Systems Inc. [Member]",
        "terseLabel": "Thermon Heating Systems Inc."
       }
      }
     },
     "localname": "ThermonHeatingSystemsInc.Member",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_TotalRevenuePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total Revenue, Percentage",
        "label": "Total Revenue, Percentage",
        "terseLabel": "Percentage of total revenue"
       }
      }
     },
     "localname": "TotalRevenuePercentage",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "thr_UnitedStatesSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "United States Segment [Member]",
        "label": "United States Segment [Member]",
        "terseLabel": "United States and Latin America"
       }
      }
     },
     "localname": "UnitedStatesSegmentMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_VariableRateSeniorSecuredTermLoanBMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Rate Senior Secured Term Loan B [Member]",
        "label": "Variable Rate Senior Secured Term Loan B [Member]",
        "terseLabel": "Variable Rate Senior Secured Term Loan B"
       }
      }
     },
     "localname": "VariableRateSeniorSecuredTermLoanBMember",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "thr_VariableRateTermLoandueOctober2024Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Rate Term Loan due October 2024 [Member]",
        "label": "Variable Rate Term Loan due October 2024 [Member]",
        "terseLabel": "Variable Rate Term Loan due October 2024"
       }
      }
     },
     "localname": "VariableRateTermLoandueOctober2024Member",
     "nsuri": "http://www.thermon.com/20191231",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": {
     "auth_ref": [
      "r34"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.",
        "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]",
        "terseLabel": "Accrued Liabilities"
       }
      }
     },
     "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AccountsPayableCurrent": {
     "auth_ref": [
      "r33"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accounts Payable, Current",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "AccountsPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNet": {
     "auth_ref": [
      "r18",
      "r24",
      "r359",
      "r366"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.",
        "label": "Accounts Receivable, Net",
        "terseLabel": "Accounts Receivable, Net"
       }
      }
     },
     "localname": "AccountsReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetCurrent": {
     "auth_ref": [
      "r18",
      "r203"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.",
        "label": "Accounts Receivable, Net, Current",
        "terseLabel": "Accounts receivable, net of allowance for doubtful accounts of $968 and $987 as of September 30, 2019 and March 31, 2019, respectively"
       }
      }
     },
     "localname": "AccountsReceivableNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedIncomeTaxesCurrent": {
     "auth_ref": [
      "r13",
      "r355",
      "r368"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.",
        "label": "Accrued Income Taxes, Current",
        "terseLabel": "Income taxes payable"
       }
      }
     },
     "localname": "AccruedIncomeTaxesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r37"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Liabilities, Current",
        "terseLabel": "Accrued liabilities",
        "totalLabel": "Total accrued current liabilities"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails",
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedProfessionalFeesCurrent": {
     "auth_ref": [
      "r6",
      "r7",
      "r37"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Professional Fees, Current",
        "terseLabel": "Professional fees"
       }
      }
     },
     "localname": "AccruedProfessionalFeesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r31",
      "r170"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax": {
     "auth_ref": [
      "r55",
      "r57",
      "r58",
      "r59",
      "r304",
      "r305"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.",
        "label": "Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax",
        "terseLabel": "Accumulated other comprehensive loss"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r56",
      "r59",
      "r60",
      "r267"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
        "label": "AOCI Attributable to Parent [Member]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss)"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r19"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "terseLabel": "Additional paid in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).",
        "label": "Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net",
        "terseLabel": "Repurchase of employee stock units on vesting"
       }
      }
     },
     "localname": "AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": {
     "auth_ref": [
      "r214",
      "r216",
      "r228",
      "r229"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.",
        "label": "Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition",
        "terseLabel": "Stock compensation expense"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustment to reconcile net income to net cash provided by (used in) operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r216",
      "r224",
      "r227"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.",
        "label": "Allocated Share-based Compensation Expense",
        "terseLabel": "Stock compensation expense",
        "verboseLabel": "Stock compensation expense"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": {
     "auth_ref": [
      "r46",
      "r143"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.",
        "label": "Allowance for Doubtful Accounts Receivable, Current",
        "terseLabel": "Accounts receivable, allowance for doubtful accounts (in dollars)"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfFinancingCosts": {
     "auth_ref": [
      "r70",
      "r89",
      "r309"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense attributable to debt issuance costs.",
        "label": "Amortization of Debt Issuance Costs",
        "terseLabel": "Amortization of deferred debt issuance costs"
       }
      }
     },
     "localname": "AmortizationOfFinancingCosts",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfIntangibleAssets": {
     "auth_ref": [
      "r89",
      "r157",
      "r164"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Amortization of Intangible Assets",
        "terseLabel": "Amortization of intangible assets"
       }
      }
     },
     "localname": "AmortizationOfIntangibleAssets",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Antidilutive securities excluded from computation of earnings per share (in shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of antidilutive security.",
        "label": "Antidilutive Securities [Axis]",
        "terseLabel": "Antidilutive Securities [Axis]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AntidilutiveSecuritiesNameDomain": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.",
        "label": "Antidilutive Securities, Name [Domain]",
        "terseLabel": "Antidilutive Securities, Name [Domain]"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r134",
      "r353",
      "r367"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "terseLabel": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r4",
      "r5",
      "r51"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "AssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "Current assets:"
       }
      }
     },
     "localname": "AssetsCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r217",
      "r225"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by award type pertaining to equity-based compensation.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type [Axis]"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location on balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Axis]",
        "terseLabel": "Balance Sheet Location [Axis]"
       }
      }
     },
     "localname": "BalanceSheetLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r279",
      "r283"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Domain]",
        "terseLabel": "Balance Sheet Location [Domain]"
       }
      }
     },
     "localname": "BalanceSheetLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BaseRateMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Minimum rate investor will accept.",
        "label": "Base Rate [Member]",
        "terseLabel": "Base Rate"
       }
      }
     },
     "localname": "BaseRateMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAcquireeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.",
        "label": "Business Acquisition, Acquiree [Domain]",
        "terseLabel": "Business Acquisition, Acquiree [Domain]"
       }
      }
     },
     "localname": "BusinessAcquisitionAcquireeDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessAcquisitionAxis": {
     "auth_ref": [
      "r249",
      "r250"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business combination or series of individually immaterial business combinations.",
        "label": "Business Acquisition [Axis]",
        "terseLabel": "Business Acquisition [Axis]"
       }
      }
     },
     "localname": "BusinessAcquisitionAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred": {
     "auth_ref": [
      "r254",
      "r255",
      "r256",
      "r257"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.",
        "label": "Business Combination, Consideration Transferred, Liabilities Incurred",
        "terseLabel": "Liabilities incurred"
       }
      }
     },
     "localname": "BusinessCombinationConsiderationTransferredLiabilitiesIncurred",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CapitalLeaseObligationsIncurred": {
     "auth_ref": [
      "r92",
      "r93"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase during the period in capital lease obligations due to entering into new capital leases.",
        "label": "Capital Lease Obligations Incurred",
        "negatedTerseLabel": "Payments on finance leases"
       }
      }
     },
     "localname": "CapitalLeaseObligationsIncurred",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r2",
      "r30",
      "r91"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails",
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r86",
      "r91",
      "r94"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "periodEndLabel": "Cash, cash equivalents and restricted cash at end of period",
        "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of period",
        "terseLabel": "Total cash, cash equivalents, and restricted cash shown in the statement of cash flows"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r86",
      "r303"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
        "totalLabel": "Change in cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFlowOperatingActivitiesLesseeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Cash Flow, Operating Activities, Lessee [Abstract]",
        "terseLabel": "Cash paid for amounts included in the measurement of lease liabilities"
       }
      }
     },
     "localname": "CashFlowOperatingActivitiesLesseeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfCashFlowsInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CertificationMarksMember": {
     "auth_ref": [
      "r251"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Any word, name, symbol, device, or any combination, used, or intended to be used, in commerce with the owner's permission by someone other than its owner, to certify regional or other geographic origin, material, mode of manufacture, quality, accuracy, or other characteristics of someone's goods or services, or that the work or labor on the goods or services was performed by members of a union or other organization.",
        "label": "Certification Marks [Member]",
        "terseLabel": "Certifications"
       }
      }
     },
     "localname": "CertificationMarksMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock [Domain]"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r176",
      "r177"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock that is subordinate to all other stock of the issuer.",
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "localname": "CommonStockMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of common stock.",
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par value (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "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.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r17",
      "r187"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "periodEndLabel": "Ending balance (in shares)",
        "periodStartLabel": "Beginning balance (in shares)",
        "terseLabel": "Common stock, shares outstanding"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r17"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "terseLabel": "Common stock: $.001 par value; 150,000,000 authorized; 32,742,439 and 32,624,200 shares issued and outstanding at September 30, 2019 and March 31, 2019, respectively"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r62",
      "r64",
      "r65"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
        "totalLabel": "Comprehensive income"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]",
        "terseLabel": "Comprehensive income (loss):"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTaxAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress": {
     "auth_ref": [
      "r198"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due.",
        "label": "Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress",
        "terseLabel": "Accrual for additional cost of sales"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityCurrent": {
     "auth_ref": [
      "r195",
      "r196",
      "r203"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
        "label": "Contract with Customer, Liability, Current",
        "negatedLabel": "Contract liabilities",
        "terseLabel": "Contract liabilities",
        "verboseLabel": "Contract liabilities"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersContractAssetsAndContractLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostOfGoodsAndServicesSold": {
     "auth_ref": [
      "r74"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_GrossProfit",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.",
        "label": "Cost of Goods and Services Sold",
        "terseLabel": "Cost of sales"
       }
      }
     },
     "localname": "CostOfGoodsAndServicesSold",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear": {
     "auth_ref": [
      "r44"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer.",
        "label": "Costs in Excess of Billings, Current",
        "terseLabel": "Costs and estimated earnings in excess of billings on uncompleted contracts",
        "verboseLabel": "Contract assets"
       }
      }
     },
     "localname": "CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CreditFacilityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Axis]",
        "terseLabel": "Credit Facility [Axis]"
       }
      }
     },
     "localname": "CreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Domain]",
        "terseLabel": "Credit Facility [Domain]"
       }
      }
     },
     "localname": "CreditFacilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CurrencySwapMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Swap involving the exchange of principal and interest in one currency for another currency.",
        "label": "Currency Swap [Member]",
        "terseLabel": "Cross Currency Swap"
       }
      }
     },
     "localname": "CurrencySwapMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CustomerAdvancesCurrent": {
     "auth_ref": [
      "r37"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current portion of prepayments received from customers for goods or services to be provided in the future.",
        "label": "Customer Advances, Current",
        "terseLabel": "Customer prepayment"
       }
      }
     },
     "localname": "CustomerAdvancesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CustomerRelationshipsMember": {
     "auth_ref": [
      "r252"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.",
        "label": "Customer Relationships [Member]",
        "verboseLabel": "Customer relationships"
       }
      }
     },
     "localname": "CustomerRelationshipsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r12",
      "r13",
      "r14",
      "r354",
      "r356",
      "r365"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument [Axis]"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "terseLabel": "Basis spread on variable rate"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "auth_ref": [
      "r308",
      "r310"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face (par) amount of debt instrument at time of issuance.",
        "label": "Debt Instrument, Face Amount",
        "terseLabel": "Debt Instrument, face amount"
       }
      }
     },
     "localname": "DebtInstrumentFaceAmount",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r39"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name [Domain]"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r39",
      "r98",
      "r188",
      "r189",
      "r190",
      "r191",
      "r307",
      "r308",
      "r310",
      "r364"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense": {
     "auth_ref": [
      "r208",
      "r216"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The compensation expense recognized during the period pertaining to the deferred compensation arrangement.",
        "label": "Deferred Compensation Arrangement with Individual, Compensation Expense",
        "terseLabel": "Deferred compensation expense (income)"
       }
      }
     },
     "localname": "DeferredCompensationArrangementWithIndividualCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDeferredCompensationPlanDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.",
        "label": "Deferred Compensation Liability, Current and Noncurrent",
        "terseLabel": "Deferred compensation liability"
       }
      }
     },
     "localname": "DeferredCompensationLiabilityCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDeferredCompensationPlanDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCompensationPlanAssets": {
     "auth_ref": [
      "r32"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.",
        "label": "Deferred Compensation Plan Assets",
        "terseLabel": "Plan assets"
       }
      }
     },
     "localname": "DeferredCompensationPlanAssets",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDeferredCompensationPlanDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNet": {
     "auth_ref": [
      "r32",
      "r309"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Net",
        "terseLabel": "Debt issuance costs, net"
       }
      }
     },
     "localname": "DeferredFinanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredIncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r89",
      "r95",
      "r243",
      "r246"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.",
        "label": "Deferred Income Tax Expense (Benefit)",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredIncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxAssetsNetNoncurrent": {
     "auth_ref": [
      "r232",
      "r233",
      "r234",
      "r235",
      "r242"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.",
        "label": "Deferred Tax Assets, Net of Valuation Allowance, Noncurrent",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredTaxAssetsNetNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredTaxLiabilitiesNoncurrent": {
     "auth_ref": [
      "r232",
      "r234",
      "r235"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.",
        "label": "Deferred Tax Liabilities, Net, Noncurrent",
        "terseLabel": "Deferred income taxes"
       }
      }
     },
     "localname": "DeferredTaxLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Depreciation": {
     "auth_ref": [
      "r89",
      "r168"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.",
        "label": "Depreciation",
        "terseLabel": "Depreciation"
       }
      }
     },
     "localname": "Depreciation",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAndAmortization": {
     "auth_ref": [
      "r89",
      "r168"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.",
        "label": "Depreciation, Depletion and Amortization, Nonproduction",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssets": {
     "auth_ref": [
      "r52",
      "r53",
      "r302"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset",
        "terseLabel": "Hedge assets"
       }
      }
     },
     "localname": "DerivativeAssets",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeContractTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.",
        "label": "Derivative Contract [Domain]",
        "terseLabel": "Derivative Contract [Domain]"
       }
      }
     },
     "localname": "DerivativeContractTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DerivativeGainLossOnDerivativeNet": {
     "auth_ref": [
      "r281"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.",
        "label": "Derivative, Gain (Loss) on Derivative, Net",
        "negatedLabel": "Net gain (loss)"
       }
      }
     },
     "localname": "DerivativeGainLossOnDerivativeNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentRiskAxis": {
     "auth_ref": [
      "r280",
      "r282",
      "r285",
      "r288"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of derivative contract.",
        "label": "Derivative Instrument [Axis]",
        "terseLabel": "Derivative Instrument [Axis]"
       }
      }
     },
     "localname": "DerivativeInstrumentRiskAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]"
       }
      }
     },
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Derivative [Line Items]",
        "terseLabel": "Derivative [Line Items]"
       }
      }
     },
     "localname": "DerivativeLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeTable": {
     "auth_ref": [
      "r103",
      "r273",
      "r275",
      "r276",
      "r277",
      "r278",
      "r284",
      "r285",
      "r290",
      "r291",
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.",
        "label": "Derivative [Table]",
        "terseLabel": "Derivative [Table]"
       }
      }
     },
     "localname": "DerivativeTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DesignatedAsHedgingInstrumentMember": {
     "auth_ref": [
      "r277"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).",
        "label": "Designated as Hedging Instrument [Member]",
        "terseLabel": "Designated as Hedging Instrument"
       }
      }
     },
     "localname": "DesignatedAsHedgingInstrumentMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DevelopedTechnologyRightsMember": {
     "auth_ref": [
      "r253"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rights to developed technology, which can include the right to develop, use, market, sell, or offer for sale products, compounds, or intellectual property.",
        "label": "Developed Technology Rights [Member]",
        "terseLabel": "Developed technology"
       }
      }
     },
     "localname": "DevelopedTechnologyRightsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DirectorMember": {
     "auth_ref": [
      "r332"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Person serving on the board of directors (who collectively have responsibility for governing the entity).",
        "label": "Director [Member]",
        "terseLabel": "Director"
       }
      }
     },
     "localname": "DirectorMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Disaggregation of Revenue [Line Items]",
        "terseLabel": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table]",
        "terseLabel": "Disaggregation of Revenue [Table]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTableTextBlock": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table Text Block]",
        "terseLabel": "Disaggregation of Revenues"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "auth_ref": [
      "r194",
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.",
        "label": "Disclosure of Compensation Related Costs, Share-based Payments [Text Block]",
        "terseLabel": "Stock-Based Compensation Expense"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpense"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Disclosure of Compensation Related Costs, Share-based Payments [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DueToRelatedPartiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r102",
      "r330",
      "r361",
      "r375"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of obligations due all related parties.",
        "label": "Due to Related Parties",
        "terseLabel": "Intercompany receivable"
       }
      }
     },
     "localname": "DueToRelatedPartiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Net Income per common share:"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r69",
      "r107",
      "r114",
      "r115",
      "r116",
      "r117",
      "r120",
      "r362",
      "r377"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "Basic (in dollars per share)",
        "verboseLabel": "Basic net income (loss) per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic [Abstract]",
        "terseLabel": "Basic net income (loss) per common share"
       }
      }
     },
     "localname": "EarningsPerShareBasicAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r69",
      "r107",
      "r114",
      "r115",
      "r116",
      "r117",
      "r120",
      "r362",
      "r377"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "Diluted (in dollars per share)",
        "verboseLabel": "Diluted net income (loss) per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Diluted [Abstract]",
        "terseLabel": "Diluted net income (loss) per common share"
       }
      }
     },
     "localname": "EarningsPerShareDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r121"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "Net Income per Common Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/NetIncomePerCommonShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents": {
     "auth_ref": [
      "r303"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.",
        "label": "Effect of Exchange Rate on Cash and Cash Equivalents",
        "terseLabel": "Long term cross currency swap"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashAndCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r303"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "terseLabel": "Effect of exchange rate changes on cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EffectiveIncomeTaxRateContinuingOperations": {
     "auth_ref": [
      "r101",
      "r236",
      "r237"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Effective Income Tax Rate Reconciliation, Percent",
        "terseLabel": "Effective tax rate"
       }
      }
     },
     "localname": "EffectiveIncomeTaxRateContinuingOperations",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate": {
     "auth_ref": [
      "r236",
      "r237",
      "r245"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.",
        "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent",
        "terseLabel": "Rate reduction"
       }
      }
     },
     "localname": "EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EquipmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tangible personal property used to produce goods and services.",
        "label": "Equipment [Member]",
        "terseLabel": "Equipment"
       }
      }
     },
     "localname": "EquipmentMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component [Domain]"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "auth_ref": [
      "r146"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.",
        "label": "Equity Method Investment, Ownership Percentage",
        "terseLabel": "Ownership percentage"
       }
      }
     },
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EquityMethodInvestmentUnrealizedIntercompanyProfitLossNotEliminatedAmount": {
     "auth_ref": [
      "r145",
      "r271"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the amount of unrealized intercompany profits and losses on transactions between the Entity and unconsolidated subsidiaries (including certain corporate joint ventures, and noncontrolled corporations), accounted for under the equity method of accounting, which have not been eliminated in preparing the Entity's financial statements.",
        "label": "Equity Method Investment, Unrealized Intercompany Profit (Loss) Not Eliminated, Amount",
        "negatedTerseLabel": "Unrealized gain (loss) on intercompany note"
       }
      }
     },
     "localname": "EquityMethodInvestmentUnrealizedIntercompanyProfitLossNotEliminatedAmount",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Error Corrections and Prior Period Adjustments Restatement [Line Items]",
        "terseLabel": "Error Corrections and Prior Period Adjustments Restatement [Line Items]"
       }
      }
     },
     "localname": "ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ExecutiveOfficerMember": {
     "auth_ref": [
      "r332"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "One of the ranking officers of the entity, appointed to the position by the board of directors.",
        "label": "Executive Officer [Member]",
        "terseLabel": "Executive Officer"
       }
      }
     },
     "localname": "ExecutiveOfficerMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r294",
      "r295",
      "r296",
      "r297",
      "r299",
      "r300"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.",
        "label": "Fair Value Measurements, Recurring and Nonrecurring [Table]",
        "terseLabel": "Fair Value Measurements, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r209",
      "r210",
      "r212",
      "r296",
      "r338"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
        "label": "Fair Value Hierarchy and NAV [Axis]",
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r301"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r209",
      "r210",
      "r212",
      "r296",
      "r339"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Level 2 - Market Approach"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
        "label": "Fair Value Hierarchy and NAV [Domain]",
        "terseLabel": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinanceLeaseCostAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Finance Lease, Cost [Abstract]",
        "terseLabel": "Finance lease expense:"
       }
      }
     },
     "localname": "FinanceLeaseCostAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinanceLeaseInterestExpense": {
     "auth_ref": [
      "r313",
      "r319",
      "r327"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest expense on finance lease liability.",
        "label": "Finance Lease, Interest Expense",
        "terseLabel": "Interest expense on finance lease liabilities"
       }
      }
     },
     "localname": "FinanceLeaseInterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseInterestPaymentOnLiability": {
     "auth_ref": [
      "r315",
      "r322"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest paid on finance lease liability.",
        "label": "Finance Lease, Interest Payment on Liability",
        "terseLabel": "Operating cash flows from operation leases"
       }
      }
     },
     "localname": "FinanceLeaseInterestPaymentOnLiability",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfCashFlowsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Finance Lease Liabilities, Payments, Due [Abstract]",
        "terseLabel": "Finance Leases"
       }
      }
     },
     "localname": "FinanceLeaseLiabilitiesPaymentsDueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinanceLeaseLiability": {
     "auth_ref": [
      "r312",
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.",
        "label": "Finance Lease, Liability",
        "terseLabel": "Total lease liability"
       }
      }
     },
     "localname": "FinanceLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityCurrent": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 2.0,
       "parentTag": "thr_FinanceAndOperatingLeaseLiability",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.",
        "label": "Finance Lease, Liability, Current",
        "terseLabel": "Finance"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": {
     "auth_ref": [
      "r326"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.",
        "label": "Finance Lease, Liability, Maturity [Table Text Block]",
        "terseLabel": "Future Lease Payments Under Finance Leases"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityMaturityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FinanceLeaseLiabilityNoncurrent": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 4.0,
       "parentTag": "thr_FinanceAndOperatingLeaseLiability",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.",
        "label": "Finance Lease, Liability, Noncurrent",
        "terseLabel": "Finance"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDue": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.",
        "label": "Finance Lease, Liability, Payments, Due",
        "totalLabel": "Total lease payments"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.",
        "label": "Finance Lease, Liability, Payments, Due after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.",
        "label": "Finance Lease, Liability, Payments, Due Year Five",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDueYearFive",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.",
        "label": "Finance Lease, Liability, Payments, Due Year Four",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDueYearFour",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.",
        "label": "Finance Lease, Liability, Payments, Due Year Three",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDueYearThree",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.",
        "label": "Finance Lease, Liability, Payments, Due Year Two",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended.",
        "label": "Finance Lease, Liability, Payments, Remainder of Fiscal Year",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.",
        "label": "Finance Lease, Liability, Undiscounted Excess Amount",
        "negatedTerseLabel": "Less imputed interest"
       }
      }
     },
     "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeasePrincipalPayments": {
     "auth_ref": [
      "r314",
      "r322"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for principal payment on finance lease.",
        "label": "Finance Lease, Principal Payments",
        "terseLabel": "Financing cash flows from leases"
       }
      }
     },
     "localname": "FinanceLeasePrincipalPayments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfCashFlowsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseRightOfUseAsset": {
     "auth_ref": [
      "r311"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 2.0,
       "parentTag": "thr_FinanceAndOperatingLeaseRightofUseAsset",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's right to use underlying asset under finance lease.",
        "label": "Finance Lease, Right-of-Use Asset",
        "terseLabel": "Finance"
       }
      }
     },
     "localname": "FinanceLeaseRightOfUseAsset",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseRightOfUseAssetAmortization": {
     "auth_ref": [
      "r313",
      "r319",
      "r327"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense attributable to right-of-use asset from finance lease.",
        "label": "Finance Lease, Right-of-Use Asset, Amortization",
        "terseLabel": "Amortization of ROU assets"
       }
      }
     },
     "localname": "FinanceLeaseRightOfUseAssetAmortization",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": {
     "auth_ref": [
      "r324",
      "r327"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average discount rate for finance lease calculated at point in time.",
        "label": "Finance Lease, Weighted Average Discount Rate, Percent",
        "terseLabel": "Finance"
       }
      }
     },
     "localname": "FinanceLeaseWeightedAverageDiscountRatePercent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": {
     "auth_ref": [
      "r323",
      "r327"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Finance Lease, Weighted Average Remaining Lease Term",
        "terseLabel": "Finance"
       }
      }
     },
     "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": {
     "auth_ref": [
      "r163"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Accumulated Amortization",
        "verboseLabel": "Finite-lived intangible assets, accumulated amortization"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": {
     "auth_ref": [
      "r158",
      "r160",
      "r163",
      "r166",
      "r340"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by major type or class of finite-lived intangible assets.",
        "label": "Finite-Lived Intangible Assets by Major Class [Axis]",
        "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsGross": {
     "auth_ref": [
      "r163",
      "r340"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Gross",
        "verboseLabel": "Finite-lived intangible assets, gross carrying amount"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsGross",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Finite-Lived Intangible Assets [Line Items]",
        "terseLabel": "Finite-Lived Intangible Assets [Line Items]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "auth_ref": [
      "r158",
      "r162"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.",
        "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]",
        "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "auth_ref": [
      "r163"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Net",
        "verboseLabel": "Finite-lived intangible assets, net carrying amount"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyContractAssetFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.",
        "label": "Foreign Currency Contract, Asset, Fair Value Disclosure",
        "terseLabel": "Foreign exchange contract forwards, assets"
       }
      }
     },
     "localname": "ForeignCurrencyContractAssetFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.",
        "label": "Foreign Currency Contracts, Liability, Fair Value Disclosure",
        "terseLabel": "Foreign exchange contract forwards, liabilities"
       }
      }
     },
     "localname": "ForeignCurrencyContractsLiabilityFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignExchangeForwardMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Foreign exchange forward traded on an exchange (examples include but are not limited to the International Securities Exchange, Philadelphia Stock Exchange, or the Chicago Mercantile Exchange) for options or future contracts to buy or sell a certain currency, at a specified date, at a fixed exercise exchange rate.",
        "label": "Foreign Exchange Forward [Member]",
        "terseLabel": "Foreign Exchange Forward Contracts"
       }
      }
     },
     "localname": "ForeignExchangeForwardMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsByCurrencyDetails",
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet": {
     "auth_ref": [
      "r280",
      "r285",
      "r286"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate impact of foreign currency derivatives on earnings for the period. Includes impact of foreign currency cash flow hedge ineffectiveness and the ineffectiveness of fair value hedging derivatives and full change in fair value of the foreign currency derivatives not designated as hedging instruments.",
        "label": "Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net",
        "terseLabel": "Foreign currency gain (loss)"
       }
      }
     },
     "localname": "GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r151",
      "r152"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "periodEndLabel": "Balance at the end of the period",
        "periodStartLabel": "Balance at the beginning of the period",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/GoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Goodwill and Intangible Assets Disclosure [Abstract]"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for goodwill and intangible assets.",
        "label": "Goodwill and Intangible Assets Disclosure [Text Block]",
        "terseLabel": "Goodwill and Other Intangible Assets"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/Goodwill"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_GoodwillForeignCurrencyTranslationGainLoss": {
     "auth_ref": [
      "r153"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill, Foreign Currency Translation Gain (Loss)",
        "terseLabel": "Foreign currency translation impact"
       }
      }
     },
     "localname": "GoodwillForeignCurrencyTranslationGainLoss",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GoodwillLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Goodwill [Line Items]",
        "terseLabel": "Goodwill [Line Items]"
       }
      }
     },
     "localname": "GoodwillLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_GoodwillRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Goodwill [Roll Forward]",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "GoodwillRollForward",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_GrossProfit": {
     "auth_ref": [
      "r72"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.",
        "label": "Gross Profit",
        "totalLabel": "Gross profit"
       }
      }
     },
     "localname": "GrossProfit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsByNatureAxis": {
     "auth_ref": [
      "r182"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by nature of guarantee.",
        "label": "Guarantor Obligations, Nature [Axis]",
        "terseLabel": "Guarantor Obligations, Nature [Axis]"
       }
      }
     },
     "localname": "GuaranteeObligationsByNatureAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_GuaranteeObligationsLiquidationProceedsPercentage": {
     "auth_ref": [
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates, if estimable, (as a percentage) the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees.",
        "label": "Guarantor Obligations, Liquidation Proceeds, Percentage",
        "terseLabel": "Guarantor obligations, percentage"
       }
      }
     },
     "localname": "GuaranteeObligationsLiquidationProceedsPercentage",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_GuaranteeObligationsMaximumExposure": {
     "auth_ref": [
      "r180"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.",
        "label": "Guarantor Obligations, Maximum Exposure, Undiscounted",
        "terseLabel": "Totaled arrangements under letter of credit guarantees and performance bonds securing performance obligations"
       }
      }
     },
     "localname": "GuaranteeObligationsMaximumExposure",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GuaranteeObligationsNatureDomain": {
     "auth_ref": [
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents a description of the nature of the guarantee or each group of similar guarantees.",
        "label": "Guarantor Obligations, Nature [Domain]",
        "terseLabel": "Guarantor Obligations, Nature [Domain]"
       }
      }
     },
     "localname": "GuaranteeObligationsNatureDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_HedgingDesignationAxis": {
     "auth_ref": [
      "r277",
      "r289"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by designation of purpose of derivative instrument.",
        "label": "Hedging Designation [Axis]",
        "terseLabel": "Hedging Designation [Axis]"
       }
      }
     },
     "localname": "HedgingDesignationAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_HedgingDesignationDomain": {
     "auth_ref": [
      "r277"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Designation of purpose of derivative instrument.",
        "label": "Hedging Designation [Domain]",
        "terseLabel": "Hedging Designation [Domain]"
       }
      }
     },
     "localname": "HedgingDesignationDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeLossAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r73"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of income (loss) attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.",
        "label": "Income (Loss) Attributable to Noncontrolling Interest, before Tax",
        "negatedLabel": "Income attributable to non-controlling interests (loss)",
        "terseLabel": "Income (loss) attributable to non-controlling interests"
       }
      }
     },
     "localname": "IncomeLossAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": {
     "auth_ref": [
      "r100"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.",
        "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest",
        "totalLabel": "Income before provision for income taxes"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location in the income statement.",
        "label": "Income Statement Location [Axis]",
        "terseLabel": "Income Statement Location [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the income statement.",
        "label": "Income Statement Location [Domain]",
        "terseLabel": "Income Statement Location [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxContingencyLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Income Tax Contingency [Line Items]",
        "terseLabel": "Income Tax Contingency [Line Items]"
       }
      }
     },
     "localname": "IncomeTaxContingencyLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxContingencyTable": {
     "auth_ref": [
      "r239",
      "r240",
      "r241",
      "r244"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.",
        "label": "Income Tax Contingency [Table]",
        "terseLabel": "Income Tax Contingency [Table]"
       }
      }
     },
     "localname": "IncomeTaxContingencyTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r248"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
        "label": "Income Tax Disclosure [Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r95",
      "r133",
      "r247"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "terseLabel": "Income tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate": {
     "auth_ref": [
      "r231",
      "r236",
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.",
        "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount",
        "terseLabel": "Reduction tax expense"
       }
      }
     },
     "localname": "IncomeTaxReconciliationChangeInEnactedTaxRate",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxesReceivable": {
     "auth_ref": [
      "r43",
      "r360",
      "r376"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.",
        "label": "Income Taxes Receivable, Current",
        "terseLabel": "Income tax receivable"
       }
      }
     },
     "localname": "IncomeTaxesReceivable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayable": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.",
        "label": "Increase (Decrease) in Accounts Payable",
        "terseLabel": "Accounts payable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsReceivable": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
        "label": "Increase (Decrease) in Accounts Receivable",
        "negatedTerseLabel": "Accounts receivable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 16.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.",
        "label": "Increase (Decrease) in Income Taxes Payable",
        "terseLabel": "Income taxes payable and receivable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedIncomeTaxesPayable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedLiabilities": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.",
        "label": "Increase (Decrease) in Accrued Liabilities",
        "terseLabel": "Accrued liabilities and non-current liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInBillingInExcessOfCostOfEarnings": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the liability reflecting cash payments received before the related costs have been incurred.",
        "label": "Increase (Decrease) in Billing in Excess of Cost of Earnings",
        "terseLabel": "Contract assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInBillingInExcessOfCostOfEarnings",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInContractWithCustomerAsset": {
     "auth_ref": [
      "r88"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.",
        "label": "Increase (Decrease) in Contract with Customer, Asset",
        "terseLabel": "Total activity",
        "verboseLabel": "Increase in contract assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInContractWithCustomerAsset",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersContractAssetsAndContractLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInventories": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
        "label": "Increase (Decrease) in Inventories",
        "negatedTerseLabel": "Inventories"
       }
      }
     },
     "localname": "IncreaseDecreaseInInventories",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Changes in operating assets and liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingAssets": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating assets classified as other.",
        "label": "Increase (Decrease) in Other Operating Assets",
        "negatedTerseLabel": "Other current and non-current assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingAssets",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": {
     "auth_ref": [
      "r159",
      "r165"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.",
        "label": "Indefinite-lived Intangible Assets [Axis]",
        "terseLabel": "Indefinite-lived Intangible Assets [Axis]"
       }
      }
     },
     "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill": {
     "auth_ref": [
      "r165"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.",
        "label": "Indefinite-lived Intangible Assets (Excluding Goodwill)",
        "verboseLabel": "Indefinite-lived intangible assets (excluding goodwill)"
       }
      }
     },
     "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "auth_ref": [
      "r159",
      "r165"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company.",
        "label": "Indefinite-lived Intangible Assets, Major Class Name [Domain]",
        "terseLabel": "Indefinite-lived Intangible Assets, Major Class Name [Domain]"
       }
      }
     },
     "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IntangibleAssetsGrossExcludingGoodwill": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated amortization of intangible assets, excluding goodwill.",
        "label": "Intangible Assets, Gross (Excluding Goodwill)",
        "verboseLabel": "Intangible assets, gross"
       }
      }
     },
     "localname": "IntangibleAssetsGrossExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IntangibleAssetsNetExcludingGoodwill": {
     "auth_ref": [
      "r156",
      "r161"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.",
        "label": "Intangible Assets, Net (Excluding Goodwill)",
        "verboseLabel": "Intangible assets, net"
       }
      }
     },
     "localname": "IntangibleAssetsNetExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r67",
      "r132",
      "r306",
      "r309",
      "r363"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.",
        "label": "Interest Expense",
        "negatedLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseMember": {
     "auth_ref": [
      "r287"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing interest expense.",
        "label": "Interest Expense [Member]",
        "terseLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpenseMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IntersegmentEliminationMember": {
     "auth_ref": [
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Eliminating entries used in operating segment consolidation.",
        "label": "Intersegment Eliminations [Member]",
        "terseLabel": "Intersegment Eliminations"
       }
      }
     },
     "localname": "IntersegmentEliminationMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InventoryDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Inventory Disclosure [Abstract]"
       }
      }
     },
     "localname": "InventoryDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InventoryDisclosureTextBlock": {
     "auth_ref": [
      "r150"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.",
        "label": "Inventory Disclosure [Text Block]",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "InventoryDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/Inventories"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InventoryFinishedGoods": {
     "auth_ref": [
      "r47"
     ],
     "calculation": {
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_InventoryGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.",
        "label": "Inventory, Finished Goods, Gross",
        "terseLabel": "Finished goods"
       }
      }
     },
     "localname": "InventoryFinishedGoods",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryGross": {
     "auth_ref": [
      "r50"
     ],
     "calculation": {
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Inventory, Gross",
        "totalLabel": "Inventories, gross"
       }
      }
     },
     "localname": "InventoryGross",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r3",
      "r50",
      "r148"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      },
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Net",
        "terseLabel": "Inventories, net",
        "totalLabel": "Inventories, net"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryRawMaterials": {
     "auth_ref": [
      "r49"
     ],
     "calculation": {
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_InventoryGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Raw Materials, Gross",
        "terseLabel": "Raw materials"
       }
      }
     },
     "localname": "InventoryRawMaterials",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryValuationReserves": {
     "auth_ref": [
      "r50",
      "r105",
      "r148",
      "r149"
     ],
     "calculation": {
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InventoryNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of valuation reserve for inventory.",
        "label": "Inventory Valuation Reserves",
        "negatedLabel": "Valuation reserves"
       }
      }
     },
     "localname": "InventoryValuationReserves",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InventoryWorkInProcess": {
     "auth_ref": [
      "r48"
     ],
     "calculation": {
      "http://www.thermon.com/role/InventoriesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_InventoryGross",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.",
        "label": "Inventory, Work in Process, Gross",
        "terseLabel": "Work in process"
       }
      }
     },
     "localname": "InventoryWorkInProcess",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r76",
      "r131"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
        "label": "Investment Income, Interest",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "InvestmentIncomeInterest",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LandAndBuildingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate held for productive use and structures used in the conduct of business, including but not limited to, office, production, storage and distribution facilities.",
        "label": "Land and Building [Member]",
        "terseLabel": "Land and Building"
       }
      }
     },
     "localname": "LandAndBuildingMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LeaseCost": {
     "auth_ref": [
      "r325",
      "r327"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease cost recognized by lessee for lease contract.",
        "label": "Lease, Cost",
        "totalLabel": "Net lease expense"
       }
      }
     },
     "localname": "LeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeaseCostTableTextBlock": {
     "auth_ref": [
      "r325"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.",
        "label": "Lease, Cost [Table Text Block]",
        "terseLabel": "Lease Information"
       }
      }
     },
     "localname": "LeaseCostTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LeasesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Leases [Abstract]"
       }
      }
     },
     "localname": "LeasesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeFinanceLeasesTextBlock": {
     "auth_ref": [
      "r328"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.",
        "label": "Lessee, Finance Leases [Text Block]",
        "terseLabel": "Leases"
       }
      }
     },
     "localname": "LesseeFinanceLeasesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/Leases"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LesseeLeaseDescriptionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Lessee, Lease, Description [Line Items]",
        "terseLabel": "Lessee, Lease, Description [Line Items]"
       }
      }
     },
     "localname": "LesseeLeaseDescriptionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeLeaseDescriptionTable": {
     "auth_ref": [
      "r318"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about lessee's leases.",
        "label": "Lessee, Lease, Description [Table]",
        "terseLabel": "Lessee, Lease, Description [Table]"
       }
      }
     },
     "localname": "LesseeLeaseDescriptionTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails",
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": {
     "auth_ref": [
      "r326"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.",
        "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]",
        "terseLabel": "Future Lease Payments Under Non-Cancellable Operating Leases"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due",
        "totalLabel": "Total lease payments"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.",
        "label": "Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.",
        "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount",
        "negatedTerseLabel": "Less imputed interest"
       }
      }
     },
     "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LesseeOperatingLeaseTermOfContract": {
     "auth_ref": [
      "r317"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessee, Operating Lease, Term of Contract",
        "terseLabel": "Lease term"
       }
      }
     },
     "localname": "LesseeOperatingLeaseTermOfContract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LesseeOperatingLeasesTextBlock": {
     "auth_ref": [
      "r328"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.",
        "label": "Lessee, Operating Leases [Text Block]",
        "terseLabel": "Leases"
       }
      }
     },
     "localname": "LesseeOperatingLeasesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/Leases"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r36"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r23",
      "r358",
      "r373"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r38"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "LiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "Current liabilities:"
       }
      }
     },
     "localname": "LiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilityForUncertainTaxPositionsNoncurrent": {
     "auth_ref": [
      "r40"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount recognized for uncertainty in income taxes classified as noncurrent.",
        "label": "Liability for Uncertainty in Income Taxes, Noncurrent",
        "terseLabel": "Liability for uncertain tax positions"
       }
      }
     },
     "localname": "LiabilityForUncertainTaxPositionsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityCommitmentFeePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.",
        "label": "Line of Credit Facility, Commitment Fee Percentage",
        "terseLabel": "Line of credit facility, commitment fee percentage"
       }
      }
     },
     "localname": "LineOfCreditFacilityCommitmentFeePercentage",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd": {
     "auth_ref": [
      "r35"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The effective interest rate at the end of the reporting period.",
        "label": "Line of Credit Facility, Interest Rate at Period End",
        "terseLabel": "Interest rate at period end (as a percent)"
       }
      }
     },
     "localname": "LineOfCreditFacilityInterestRateAtPeriodEnd",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Line of Credit Facility [Line Items]",
        "verboseLabel": "Short-Term Revolving Lines of Credit"
       }
      }
     },
     "localname": "LineOfCreditFacilityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": {
     "auth_ref": [
      "r35"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).",
        "label": "Line of Credit Facility, Remaining Borrowing Capacity",
        "terseLabel": "Capacity available under credit facility"
       }
      }
     },
     "localname": "LineOfCreditFacilityRemainingBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "auth_ref": [
      "r35",
      "r98"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Line of Credit Facility [Table]",
        "terseLabel": "Line of Credit Facility [Table]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.",
        "label": "Line of Credit [Member]",
        "terseLabel": "Line of Credit"
       }
      }
     },
     "localname": "LineOfCreditMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LinesOfCreditCurrent": {
     "auth_ref": [
      "r12",
      "r354"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.",
        "label": "Line of Credit, Current",
        "terseLabel": "Borrowings under revolving credit facility",
        "verboseLabel": "Outstanding borrowings"
       }
      }
     },
     "localname": "LinesOfCreditCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LoansPayableMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Borrowing supported by a written promise to pay an obligation.",
        "label": "Loans Payable [Member]",
        "terseLabel": "Loans Payable",
        "verboseLabel": "Non-interest Bearing Performance Based Note"
       }
      }
     },
     "localname": "LoansPayableMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "London Interbank Offered Rate (LIBOR)"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermDebt": {
     "auth_ref": [
      "r14",
      "r185",
      "r356",
      "r370"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt",
        "terseLabel": "Long-term debt, Carrying Value"
       }
      }
     },
     "localname": "LongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.",
        "label": "Long-term Debt, Fair Value",
        "terseLabel": "Long-term debt, Fair Value"
       }
      }
     },
     "localname": "LongTermDebtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtOtherDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Long-term Debt, Other Disclosures [Abstract]",
        "terseLabel": "Financial Liabilities, Long-term debt"
       }
      }
     },
     "localname": "LongTermDebtOtherDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongTermDebtTerm": {
     "auth_ref": [
      "r298"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Long-term Debt, Term",
        "terseLabel": "Long-term Debt, Term"
       }
      }
     },
     "localname": "LongTermDebtTerm",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LongTermDebtTextBlock": {
     "auth_ref": [
      "r186"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for long-term debt.",
        "label": "Long-term Debt [Text Block]",
        "terseLabel": "Long-Term Debt"
       }
      }
     },
     "localname": "LongTermDebtTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r39"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails",
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r39",
      "r184"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]",
        "terseLabel": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails",
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ManagementMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Person or persons controlling and directing the affairs of an entity.",
        "label": "Management [Member]",
        "terseLabel": "Management"
       }
      }
     },
     "localname": "ManagementMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MaterialReconcilingItemsMember": {
     "auth_ref": [
      "r136",
      "r137"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Items used in reconciling reportable segments' amounts to consolidated amount. Excludes corporate-level activity.",
        "label": "Segment Reconciling Items [Member]",
        "terseLabel": "Segment Reconciling Items"
       }
      }
     },
     "localname": "MaterialReconcilingItemsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Maximum Remaining Maturity of Foreign Currency Derivatives",
        "terseLabel": "Maximum term of forward contracts"
       }
      }
     },
     "localname": "MaximumRemainingMaturityOfForeignCurrencyDerivatives1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsForeignExchangeContractsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_MinorityInterest": {
     "auth_ref": [
      "r45",
      "r357",
      "r372"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).",
        "label": "Stockholders' Equity Attributable to Noncontrolling Interest",
        "terseLabel": "Non-controlling interests"
       }
      }
     },
     "localname": "MinorityInterest",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MinorityInterestDecreaseFromRedemptions": {
     "auth_ref": [
      "r192",
      "r262",
      "r263"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).",
        "label": "Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests",
        "negatedTerseLabel": "Purchase of shares from non-controlling interests"
       }
      }
     },
     "localname": "MinorityInterestDecreaseFromRedemptions",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.",
        "label": "Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners",
        "terseLabel": "Noncontrolling Interest, ownership by noncontrolling owners (percent)"
       }
      }
     },
     "localname": "MinorityInterestOwnershipPercentageByNoncontrollingOwners",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_MinorityInterestOwnershipPercentageByParent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The parent entity's interest in net assets of the subsidiary, expressed as a percentage.",
        "label": "Noncontrolling Interest, Ownership Percentage by Parent",
        "terseLabel": "Ownership interest percentage"
       }
      }
     },
     "localname": "MinorityInterestOwnershipPercentageByParent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r86"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash used in financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r86"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash used in investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r86",
      "r87",
      "r90"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "Net cash provided by operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]",
        "terseLabel": "Operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r107",
      "r112"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "terseLabel": "Net income available to Thermon Group Holdings, Inc.",
        "totalLabel": "Net income available to Thermon Group Holdings, Inc."
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Recent Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NoncontrollingInterestMember": {
     "auth_ref": [
      "r258"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.",
        "label": "Noncontrolling Interest [Member]",
        "terseLabel": "Non-controlling Interests"
       }
      }
     },
     "localname": "NoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NonoperatingIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Nonoperating Income (Expense) [Abstract]",
        "terseLabel": "Other income/(expenses):"
       }
      }
     },
     "localname": "NonoperatingIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NumberOfOperatingSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.",
        "label": "Number of Operating Segments",
        "terseLabel": "Number of Operating Segments"
       }
      }
     },
     "localname": "NumberOfOperatingSegments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_NumberOfReportableSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.",
        "label": "Number of Reportable Segments",
        "terseLabel": "Number of Reportable Segments"
       }
      }
     },
     "localname": "NumberOfReportableSegments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating expenses:"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net result for the period of deducting operating expenses from operating revenues.",
        "label": "Operating Income (Loss)",
        "terseLabel": "Operating income (loss)",
        "totalLabel": "Income from operations"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingIncomeLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Operating Income (Loss) [Abstract]",
        "terseLabel": "Operating income"
       }
      }
     },
     "localname": "OperatingIncomeLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingLeaseCost": {
     "auth_ref": [
      "r320",
      "r327"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.",
        "label": "Operating Lease, Cost",
        "terseLabel": "Operating lease expense"
       }
      }
     },
     "localname": "OperatingLeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Operating Lease Liabilities, Payments Due [Abstract]",
        "terseLabel": "Operating Leases"
       }
      }
     },
     "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingLeaseLiability": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetailsCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.",
        "label": "Operating Lease, Liability",
        "terseLabel": "Total lease liability"
       }
      }
     },
     "localname": "OperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesFutureMinimumLeasePaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilityCurrent": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 1.0,
       "parentTag": "thr_FinanceAndOperatingLeaseLiability",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.",
        "label": "Operating Lease, Liability, Current",
        "terseLabel": "Operating"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiabilityNoncurrent": {
     "auth_ref": [
      "r312"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 3.0,
       "parentTag": "thr_FinanceAndOperatingLeaseLiability",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.",
        "label": "Operating Lease, Liability, Noncurrent",
        "terseLabel": "Operating"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeasePayments": {
     "auth_ref": [
      "r316",
      "r322"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.",
        "label": "Operating Lease, Payments",
        "terseLabel": "Operating cash outflows from operation leases"
       }
      }
     },
     "localname": "OperatingLeasePayments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfCashFlowsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "auth_ref": [
      "r311"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails": {
       "order": 1.0,
       "parentTag": "thr_FinanceAndOperatingLeaseRightofUseAsset",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's right to use underlying asset under operating lease.",
        "label": "Operating Lease, Right-of-Use Asset",
        "terseLabel": "Operating"
       }
      }
     },
     "localname": "OperatingLeaseRightOfUseAsset",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/LeasesSupplementalBalanceSheetInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": {
     "auth_ref": [
      "r324",
      "r327"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average discount rate for operating lease calculated at point in time.",
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "terseLabel": "Operating"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageDiscountRatePercent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": {
     "auth_ref": [
      "r323",
      "r327"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Operating Lease, Weighted Average Remaining Lease Term",
        "terseLabel": "Operating"
       }
      }
     },
     "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesLeaseTermAndDiscountRateDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_OperatingSegmentsMember": {
     "auth_ref": [
      "r130",
      "r138"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Operating Segments [Member]",
        "terseLabel": "Operating Segments"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r1",
      "r272"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "Basis of Presentation and Accounting Policy Information"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r6",
      "r7",
      "r8",
      "r37"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.",
        "label": "Other Accrued Liabilities, Current",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherAccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsMember": {
     "auth_ref": [
      "r279",
      "r292"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other assets.",
        "label": "Other Assets [Member]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r32"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noncurrent assets classified as other.",
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Other long term assets"
       }
      }
     },
     "localname": "OtherAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r260",
      "r261",
      "r266"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 3.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent",
        "terseLabel": "Other"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r260",
      "r261",
      "r266"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent",
        "verboseLabel": "Foreign currency translation adjustment"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherIntangibleAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Intangible assets classified as other.",
        "label": "Other Intangible Assets [Member]",
        "verboseLabel": "Other"
       }
      }
     },
     "localname": "OtherIntangibleAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "auth_ref": [
      "r40"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Noncurrent",
        "terseLabel": "Other noncurrent liabilities"
       }
      }
     },
     "localname": "OtherLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r77"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 4.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.",
        "label": "Other Nonoperating Income (Expense)",
        "terseLabel": "Other income/(expenses)"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherOperatingActivitiesCashFlowStatement": {
     "auth_ref": [],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example,  cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).",
        "label": "Other Operating Activities, Cash Flow Statement",
        "terseLabel": "Remeasurement loss/(gain) on intercompany balances"
       }
      }
     },
     "localname": "OtherOperatingActivitiesCashFlowStatement",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "localname": "PayablesAndAccrualsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PaymentsForProceedsFromInvestments": {
     "auth_ref": [
      "r104"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.",
        "label": "Payments for (Proceeds from) Investments",
        "negatedTerseLabel": "Proceeds from the sale of investments"
       }
      }
     },
     "localname": "PaymentsForProceedsFromInvestments",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfEquity": {
     "auth_ref": [
      "r82"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to reacquire common and preferred stock.",
        "label": "Payments for Repurchase of Equity",
        "terseLabel": "Payments for purchase of equity"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfEquity",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDebtIssuanceCosts": {
     "auth_ref": [
      "r84"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.",
        "label": "Payments of Debt Issuance Costs",
        "negatedTerseLabel": "Purchase of shares from non-controlling interests"
       }
      }
     },
     "localname": "PaymentsOfDebtIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation": {
     "auth_ref": [
      "r82",
      "r213"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.",
        "label": "Payments Related to Tax Withholding for Share-based Compensation",
        "negatedTerseLabel": "Repurchase of employee stock units on vesting"
       }
      }
     },
     "localname": "PaymentsRelatedToTaxWithholdingForShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates": {
     "auth_ref": [
      "r79"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).",
        "label": "Payments to Acquire Interest in Subsidiaries and Affiliates",
        "terseLabel": "Payments to acquire equity interest"
       }
      }
     },
     "localname": "PaymentsToAcquireInterestInSubsidiariesAndAffiliates",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": {
     "auth_ref": [
      "r80"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.",
        "label": "Payments to Acquire Property, Plant, and Equipment",
        "negatedLabel": "Purchases of property, plant and equipment",
        "terseLabel": "Capital expenditures"
       }
      }
     },
     "localname": "PaymentsToAcquirePropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PerformanceSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Shares or units awarded to employees for meeting certain performance targets.",
        "label": "Performance Shares [Member]",
        "terseLabel": "Performance Shares"
       }
      }
     },
     "localname": "PerformanceSharesMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PlanNameAxis": {
     "auth_ref": [
      "r217",
      "r225"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by plan name pertaining to equity-based compensation arrangements.",
        "label": "Plan Name [Axis]",
        "terseLabel": "Plan Name [Axis]"
       }
      }
     },
     "localname": "PlanNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PlanNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the equity-based compensation arrangement plan.",
        "label": "Plan Name [Domain]",
        "terseLabel": "Plan Name [Domain]"
       }
      }
     },
     "localname": "PlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.",
        "label": "Preferred Stock, Par or Stated Value Per Share",
        "terseLabel": "Preferred stock, par value (in dollars per share)"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock, shares authorized"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock, shares issued"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
        "label": "Preferred Stock, Shares Outstanding",
        "terseLabel": "Preferred stock, shares outstanding"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r16"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Preferred Stock, Value, Issued",
        "verboseLabel": "Preferred stock: $.001 par value; 10,000,000 authorized; no shares issued and outstanding"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "auth_ref": [
      "r4",
      "r28",
      "r29"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
        "label": "Prepaid Expense and Other Assets, Current",
        "terseLabel": "Prepaid expenses and other current assets"
       }
      }
     },
     "localname": "PrepaidExpenseAndOtherAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing prepaid expenses and other current assets.",
        "label": "Prepaid Expenses and Other Current Assets [Member]",
        "terseLabel": "Prepaid Expenses and Other Current Assets"
       }
      }
     },
     "localname": "PrepaidExpensesAndOtherCurrentAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PrincipalOwnerMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Owner of record or known beneficial owner of more than 10 percent of the voting interests of the entity.",
        "label": "Principal Owner [Member]",
        "terseLabel": "SUMAC Former Principal"
       }
      }
     },
     "localname": "PrincipalOwnerMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProceedsFromRepaymentsOfLinesOfCredit": {
     "auth_ref": [
      "r104"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).",
        "label": "Proceeds from (Repayments of) Lines of Credit",
        "terseLabel": "Proceeds from revolving credit facility"
       }
      }
     },
     "localname": "ProceedsFromRepaymentsOfLinesOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromStockOptionsExercised": {
     "auth_ref": [
      "r81",
      "r226"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.",
        "label": "Proceeds from Stock Options Exercised",
        "terseLabel": "Proceeds from exercise of stock options"
       }
      }
     },
     "localname": "ProceedsFromStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProductMember": {
     "auth_ref": [
      "r204"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Article or substance produced by nature, labor or machinery.",
        "label": "Product [Member]",
        "terseLabel": "Products"
       }
      }
     },
     "localname": "ProductMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProductWarrantyAccrualClassifiedCurrent": {
     "auth_ref": [
      "r37",
      "r178",
      "r183"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Product Warranty Accrual, Current",
        "terseLabel": "Warranty reserve"
       }
      }
     },
     "localname": "ProductWarrantyAccrualClassifiedCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProfitLoss": {
     "auth_ref": [
      "r61",
      "r63",
      "r85",
      "r134",
      "r139",
      "r260",
      "r264",
      "r265",
      "r269",
      "r270"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.",
        "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Net income",
        "totalLabel": "Net income"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "auth_ref": [
      "r31",
      "r171"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.",
        "label": "Property, Plant and Equipment, Type [Axis]",
        "terseLabel": "Property, Plant and Equipment, Type [Axis]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r10",
      "r11",
      "r171",
      "r374"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Net",
        "terseLabel": "Property, plant and equipment, net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "auth_ref": [
      "r10",
      "r169"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
        "label": "Property, Plant and Equipment, Type [Domain]",
        "terseLabel": "Property, Plant and Equipment, Type [Domain]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReceivablesFromCustomers": {
     "auth_ref": [
      "r142"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations.",
        "label": "Receivables from Customers",
        "terseLabel": "Receivables from Customers"
       }
      }
     },
     "localname": "ReceivablesFromCustomers",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CommitmentsAndContingenciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r337"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Domain]",
        "terseLabel": "Related Party [Domain]"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionAmountsOfTransaction": {
     "auth_ref": [
      "r329",
      "r333",
      "r334"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transactions with related party during the financial reporting period.",
        "label": "Related Party Transaction, Amounts of Transaction",
        "terseLabel": "Related party transaction, amounts of transaction"
       }
      }
     },
     "localname": "RelatedPartyTransactionAmountsOfTransaction",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyTransactionAxis": {
     "auth_ref": [
      "r211",
      "r331",
      "r333"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party transaction.",
        "label": "Related Party Transaction [Axis]",
        "terseLabel": "Related Party Transaction [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Transaction between related party.",
        "label": "Related Party Transaction [Domain]",
        "terseLabel": "Related Party Transaction [Domain]"
       }
      }
     },
     "localname": "RelatedPartyTransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Related Party Transaction [Line Items]",
        "terseLabel": "Related Party Transaction [Line Items]"
       }
      }
     },
     "localname": "RelatedPartyTransactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Related Party Transactions [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r211",
      "r331",
      "r333",
      "r341",
      "r342",
      "r343",
      "r344",
      "r345",
      "r346",
      "r347",
      "r348",
      "r349",
      "r350",
      "r351",
      "r352"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Axis]",
        "terseLabel": "Related Party [Axis]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "auth_ref": [
      "r337"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Related Party Transactions Disclosure [Text Block]",
        "terseLabel": "Related-Party Transactions"
       }
      }
     },
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactions"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfLinesOfCredit": {
     "auth_ref": [
      "r83",
      "r99"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.",
        "label": "Repayments of Lines of Credit",
        "terseLabel": "Repayments of lines of credit"
       }
      }
     },
     "localname": "RepaymentsOfLinesOfCredit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "auth_ref": [
      "r83"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "label": "Repayments of Long-term Debt",
        "negatedLabel": "Payments on long term debt and revolving credit facility",
        "terseLabel": "Repayments of long-term debt"
       }
      }
     },
     "localname": "RepaymentsOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepaymentsOfNotesPayable": {
     "auth_ref": [
      "r83"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for a borrowing supported by a written promise to pay an obligation.",
        "label": "Repayments of Notes Payable",
        "terseLabel": "Repayments of notes payable"
       }
      }
     },
     "localname": "RepaymentsOfNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockUnitsRSUMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
        "label": "Restricted Stock Units (RSUs) [Member]",
        "terseLabel": "Restricted Stock Units"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r20",
      "r192",
      "r371"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings [Member]",
        "terseLabel": "Retained Earnings"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Revenue from Contract with Customer [Abstract]"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": {
     "auth_ref": [
      "r197",
      "r201",
      "r202"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 1.0,
       "parentTag": "us-gaap_GrossProfit",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.",
        "label": "Revenue from Contract with Customer, Excluding Assessed Tax",
        "terseLabel": "Total revenues",
        "verboseLabel": "Sales"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerExcludingAssessedTax",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails",
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerTextBlock": {
     "auth_ref": [
      "r106",
      "r207"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.",
        "label": "Revenue from Contract with Customer [Text Block]",
        "terseLabel": "Revenue from Contract with Customer"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomers"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Revenue, Initial Application Period Cumulative Effect Transition [Line Items]",
        "terseLabel": "Revenue, Initial Application Period Cumulative Effect Transition [Line Items]"
       }
      }
     },
     "localname": "RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information when using transition method for cumulative effect in initial period of application for revenue from contract with customer.",
        "label": "Revenue, Initial Application Period Cumulative Effect Transition [Table]",
        "terseLabel": "Revenue, Initial Application Period Cumulative Effect Transition [Table]"
       }
      }
     },
     "localname": "RevenueInitialApplicationPeriodCumulativeEffectTransitionTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r199"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.",
        "label": "Revenue, Remaining Performance Obligation, Amount",
        "terseLabel": "Remaining performance obligation"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersPerformanceObligationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersPerformanceObligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": {
     "auth_ref": [
      "r200"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in CCYY-MM-DD format.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersPerformanceObligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersPerformanceObligationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Revenues from External Customers and Long-Lived Assets [Line Items]",
        "terseLabel": "Sales by geographic area:"
       }
      }
     },
     "localname": "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
        "label": "Revolving Credit Facility [Member]",
        "terseLabel": "Revolving credit facility"
       }
      }
     },
     "localname": "RevolvingCreditFacilityMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDetails",
      "http://www.thermon.com/role/LongTermDebtDetails",
      "http://www.thermon.com/role/ShortTermRevolvingLinesOfCreditDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SalesAndExciseTaxPayableCurrent": {
     "auth_ref": [
      "r7",
      "r33"
     ],
     "calculation": {
      "http://www.thermon.com/role/AccruedLiabilitiesDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_AccruedLiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Sales and Excise Tax Payable, Current",
        "terseLabel": "Sales tax payable"
       }
      }
     },
     "localname": "SalesAndExciseTaxPayableCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ScenarioForecastMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The reporting scenario used to indicate financial results forecast for a future period.",
        "label": "Scenario, Forecast [Member]",
        "terseLabel": "Scenario, Forecast"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScenarioUnspecifiedDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Any scenario, that is, the particular reporting scenario is left unspecified. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.",
        "label": "Scenario, Unspecified [Domain]",
        "terseLabel": "Scenario, Unspecified [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of accrued liabilities.",
        "label": "Schedule of Accrued Liabilities [Table Text Block]",
        "terseLabel": "Schedule of accrued current liabilities"
       }
      }
     },
     "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/AccruedLiabilitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.",
        "label": "Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]",
        "terseLabel": "Schedule of long-term debt that is not measured at fair value"
       }
      }
     },
     "localname": "ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of cash and cash equivalents.",
        "label": "Schedule of Cash and Cash Equivalents [Table Text Block]",
        "terseLabel": "Schedule of Cash and Cash Equivalents"
       }
      }
     },
     "localname": "ScheduleOfCashAndCashEquivalentsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationTableTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDebtInstrumentsTextBlock": {
     "auth_ref": [
      "r39",
      "r98",
      "r188",
      "r189",
      "r190",
      "r191",
      "r307",
      "r308",
      "r310",
      "r364"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table Text Block]",
        "terseLabel": "Schedule of long-term debt"
       }
      }
     },
     "localname": "ScheduleOfDebtInstrumentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r119"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Schedule of reconciliation of the denominators used to calculate basic EPS and diluted EPS"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable": {
     "auth_ref": [
      "r108",
      "r109",
      "r110"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of prior period adjustments to correct an error in previously issued financial statements. The disclosure may include, but is not limited to: (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustment (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. This table can be used to disclose the amounts as previously reported and the effect of the correction or other adjustment on per line item or per share amount basis. This table uses as its line items financial statement line items that are affected by prior period adjustments.",
        "label": "Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]",
        "terseLabel": "Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]"
       }
      }
     },
     "localname": "ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": {
     "auth_ref": [
      "r158",
      "r162"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Schedule of Finite-Lived Intangible Assets [Table]",
        "terseLabel": "Schedule of Finite-Lived Intangible Assets [Table]"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock": {
     "auth_ref": [
      "r282"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the presentation of foreign exchange contracts on the statement of financial position, including the fair value amounts and location of such amounts.",
        "label": "Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block]",
        "terseLabel": "Schedule of fair value of foreign currency forward contracts"
       }
      }
     },
     "localname": "ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfGoodwillTable": {
     "auth_ref": [
      "r154",
      "r155"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of goodwill and the changes during the year due to acquisition, sale, impairment or for other reasons.",
        "label": "Schedule of Goodwill [Table]",
        "terseLabel": "Schedule of Goodwill [Table]"
       }
      }
     },
     "localname": "ScheduleOfGoodwillTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfGoodwillTextBlock": {
     "auth_ref": [
      "r154",
      "r155"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.",
        "label": "Schedule of Goodwill [Table Text Block]",
        "terseLabel": "Schedule of carrying amount of goodwill"
       }
      }
     },
     "localname": "ScheduleOfGoodwillTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": {
     "auth_ref": [
      "r9",
      "r25",
      "r26",
      "r27"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.",
        "label": "Schedule of Inventory, Current [Table Text Block]",
        "terseLabel": "Schedule of Inventory, Current"
       }
      }
     },
     "localname": "ScheduleOfInventoryCurrentTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/InventoriesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock": {
     "auth_ref": [
      "r274"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the notional amounts of outstanding derivative positions.",
        "label": "Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]",
        "terseLabel": "Schedule of notional amounts of forward contracts held in foreign currencies"
       }
      }
     },
     "localname": "ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "auth_ref": [
      "r96",
      "r331",
      "r333",
      "r334",
      "r335",
      "r336"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Schedule of Related Party Transactions, by Related Party [Table]",
        "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RelatedPartyTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock": {
     "auth_ref": [
      "r71",
      "r140"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material.  An entity may also provide subtotals of geographic information about groups of countries.",
        "label": "Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]",
        "terseLabel": "Total sales and operating income classified by major geographic area in which the company operates"
       }
      }
     },
     "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable": {
     "auth_ref": [
      "r66",
      "r68",
      "r140"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material.  An entity may also provide subtotals of geographic information about groups of countries.",
        "label": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]",
        "terseLabel": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]"
       }
      }
     },
     "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": {
     "auth_ref": [
      "r129",
      "r134",
      "r135",
      "r136",
      "r154"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table]",
        "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r217",
      "r225"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an equity-based arrangement under which compensation is awarded to employees, typically comprised of compensation expense; changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan; and cash flow effects resulting from the equity-based payment arrangement. Component disclosures are by type of award and plan name.",
        "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
        "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SecuredDebt": {
     "auth_ref": [
      "r14",
      "r356",
      "r370"
     ],
     "calculation": {
      "http://www.thermon.com/role/LongTermDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.",
        "label": "Secured Debt",
        "totalLabel": "Variable Rate Term Loans"
       }
      }
     },
     "localname": "SecuredDebt",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuredDebtCurrent": {
     "auth_ref": [
      "r12",
      "r354",
      "r369"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      },
      "http://www.thermon.com/role/LongTermDebtDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_SecuredDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.",
        "label": "Secured Debt, Current",
        "negatedLabel": "Less current portion",
        "terseLabel": "Current portion of long term debt"
       }
      }
     },
     "localname": "SecuredDebtCurrent",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuredDebtMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets.",
        "label": "Secured Debt [Member]",
        "terseLabel": "Secured Debt"
       }
      }
     },
     "localname": "SecuredDebtMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SecuredLongTermDebt": {
     "auth_ref": [
      "r39"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.thermon.com/role/LongTermDebtDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_SecuredDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.",
        "label": "Secured Long-term Debt, Noncurrent",
        "terseLabel": "Long-term debt, net of current maturities and deferred debt issuance costs and debt discounts of $5,432 and $6,271 as of September 30, 2019 and March 31, 2019, respectively"
       }
      }
     },
     "localname": "SecuredLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SegmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Segments [Domain]",
        "terseLabel": "Segments [Domain]"
       }
      }
     },
     "localname": "SegmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r141"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "Segment Information"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting Information [Line Items]",
        "terseLabel": "Segment Reporting Information [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingInformationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r75",
      "r147"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.",
        "label": "Selling, General and Administrative Expense",
        "terseLabel": "Marketing, general and administrative and engineering"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SellingGeneralAndAdministrativeExpensesMember": {
     "auth_ref": [
      "r78"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing selling, general and administrative expense.",
        "label": "Selling, General and Administrative Expenses [Member]",
        "terseLabel": "Marketing, general and administrative and engineering"
       }
      }
     },
     "localname": "SellingGeneralAndAdministrativeExpensesMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r88"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.",
        "label": "Share-based Compensation",
        "terseLabel": "Stock compensation expense"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1": {
     "auth_ref": [
      "r218"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r218"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r223"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Stock granted in the period (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
        "terseLabel": "Stock-Based Compensation Expense",
        "verboseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": {
     "auth_ref": [
      "r219"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized",
        "terseLabel": "Maximum number of shares of the company's common stock that may be awarded"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": {
     "auth_ref": [
      "r221",
      "r225"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of options outstanding, including both vested and non-vested options.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number",
        "terseLabel": "Options outstanding (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r215",
      "r220"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity-based compensation award.",
        "label": "Equity Award [Domain]",
        "terseLabel": "Equity Award [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShortTermBorrowingsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Short-term Debt [Abstract]"
       }
      }
     },
     "localname": "ShortTermBorrowingsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShortTermDebtTextBlock": {
     "auth_ref": [
      "r186"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for short-term debt.",
        "label": "Short-term Debt [Text Block]",
        "terseLabel": "Short-Term Revolving Credit Facilities"
       }
      }
     },
     "localname": "ShortTermDebtTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/ShortTermRevolvingCreditFacilities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ShortTermLeaseCost": {
     "auth_ref": [
      "r321",
      "r327"
     ],
     "calculation": {
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LeaseCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of short-term lease cost, excluding expense for lease with term of one month or less.",
        "label": "Short-term Lease, Cost",
        "terseLabel": "Short-term lease expense"
       }
      }
     },
     "localname": "ShortTermLeaseCost",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LeasesSupplementalStatementOfOperationsInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StatementBusinessSegmentsAxis": {
     "auth_ref": [
      "r0",
      "r134",
      "r154",
      "r173",
      "r174",
      "r175",
      "r378"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business segments.",
        "label": "Segments [Axis]",
        "terseLabel": "Segments [Axis]"
       }
      }
     },
     "localname": "StatementBusinessSegmentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillDetails",
      "http://www.thermon.com/role/SegmentInformationCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r15",
      "r16",
      "r17",
      "r187"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by the different classes of stock of the entity.",
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock [Axis]"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r42",
      "r187"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementScenarioAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by scenario to be reported. Scenarios distinguish among different kinds of business reporting facts, as for example actual versus budgeted figures.",
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails",
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockCompensationPlanMember": {
     "auth_ref": [
      "r118"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity-based payment arrangement where one or more employees receive shares of stock (units), stock (unit) options, or other equity instruments, or the employer incurs a liability to the employee in amounts based on the price of the employer's stock (unit).",
        "label": "Stock Compensation Plan [Member]",
        "terseLabel": "Stock Compensation Plan"
       }
      }
     },
     "localname": "StockCompensationPlanMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesNewIssues": {
     "auth_ref": [
      "r16",
      "r17",
      "r187",
      "r192"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of new stock issued during the period.",
        "label": "Stock Issued During Period, Shares, New Issues",
        "terseLabel": "Stock issued during period (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation": {
     "auth_ref": [
      "r16",
      "r17",
      "r187",
      "r192"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.",
        "label": "Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures",
        "terseLabel": "Issuance of common stock (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": {
     "auth_ref": [
      "r16",
      "r17",
      "r187",
      "r192",
      "r222"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of share options (or share units) exercised during the current period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period",
        "terseLabel": "Issuance of common stock in exercise of stock options (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross": {
     "auth_ref": [
      "r16",
      "r17",
      "r187",
      "r192"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate value of stock related to Restricted Stock Awards issued during the period.",
        "label": "Stock Issued During Period, Value, Restricted Stock Award, Gross",
        "terseLabel": "Stock issued during period"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardGross",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": {
     "auth_ref": [
      "r42",
      "r187",
      "r192"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of stock issued as a result of the exercise of stock options.",
        "label": "Stock Issued During Period, Value, Stock Options Exercised",
        "terseLabel": "Issuance of common stock in exercise of stock options"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueStockOptionsExercised",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockOptionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contracts conveying rights, but not obligations, to buy or sell a specific quantity of stock at a specified price during a specified period (an American option) or at a specified date (a European option).",
        "label": "Equity Option [Member]",
        "terseLabel": "Equity Option"
       }
      }
     },
     "localname": "StockOptionMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r17",
      "r21",
      "r22",
      "r144"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "totalLabel": "Total Thermon Group Holdings, Inc. shareholders' equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r258",
      "r259",
      "r268"
     ],
     "calculation": {
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.",
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "totalLabel": "Total equity"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets",
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]",
        "terseLabel": "Equity"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityOther": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.",
        "label": "Stockholders' Equity, Other",
        "negatedTerseLabel": "Other"
       }
      }
     },
     "localname": "StockholdersEquityOther",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TimingOfTransferOfGoodOrServiceAxis": {
     "auth_ref": [
      "r202",
      "r206"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by timing of transfer of good or service to customer.",
        "label": "Timing of Transfer of Good or Service [Axis]",
        "terseLabel": "Timing of Transfer of Good or Service [Axis]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodOrServiceAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TimingOfTransferOfGoodOrServiceDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Timing of transfer of good or service to customer. Includes, but is not limited to, at point in time or over time.",
        "label": "Timing of Transfer of Good or Service [Domain]",
        "terseLabel": "Timing of Transfer of Good or Service [Domain]"
       }
      }
     },
     "localname": "TimingOfTransferOfGoodOrServiceDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TitleOfIndividualAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by title of individual or nature of relationship to individual or group of individuals.",
        "label": "Title of Individual [Axis]",
        "terseLabel": "Title of Individual [Axis]"
       }
      }
     },
     "localname": "TitleOfIndividualAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TitleOfIndividualWithRelationshipToEntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of individual, or nature of relationship to individual or group of individuals.",
        "label": "Relationship to Entity [Domain]",
        "terseLabel": "Relationship to Entity [Domain]"
       }
      }
     },
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfEquityStatement",
      "http://www.thermon.com/role/StockBasedCompensationExpenseDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TrademarksMember": {
     "auth_ref": [
      "r251"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style.",
        "label": "Trademarks [Member]",
        "terseLabel": "Trademarks"
       }
      }
     },
     "localname": "TrademarksMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/GoodwillAndOtherIntangibleAssetsSummaryOfIntangibleAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransferredAtPointInTimeMember": {
     "auth_ref": [
      "r202",
      "r206"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contract with customer in which good or service is transferred at point in time.",
        "label": "Transferred at Point in Time [Member]",
        "terseLabel": "Revenues recognized at point in time"
       }
      }
     },
     "localname": "TransferredAtPointInTimeMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransferredOverTimeMember": {
     "auth_ref": [
      "r202",
      "r206"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contract with customer in which good or service is transferred over time.",
        "label": "Transferred over Time [Member]",
        "terseLabel": "Revenues recognized over time"
       }
      }
     },
     "localname": "TransferredOverTimeMember",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersAdditionalInformationDetails",
      "http://www.thermon.com/role/RevenueFromContractsWithCustomersRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TreasuryStockShares": {
     "auth_ref": [
      "r41",
      "r193"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "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.",
        "label": "Treasury Stock, Shares",
        "terseLabel": "Treasury Stock, Shares"
       }
      }
     },
     "localname": "TreasuryStockShares",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts": {
     "auth_ref": [
      "r89"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period.",
        "label": "Unrealized Gain (Loss) on Derivatives and Commodity Contracts",
        "negatedTerseLabel": "Gain (loss) on long-term derivative contract"
       }
      }
     },
     "localname": "UnrealizedGainLossOnDerivativesAndCommodityContracts",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsFairValueMeasurementsCrossCurrencySwapsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrealizedGainLossOnSecurities": {
     "auth_ref": [
      "r89"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of unrealized gain (loss) recognized in the income statement on unsold other securities.",
        "label": "Unrealized Gain (Loss) on Securities",
        "terseLabel": "Unrealized gain (loss)"
       }
      }
     },
     "localname": "UnrealizedGainLossOnSecurities",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/FairValueMeasurementsDeferredCompensationPlanDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense": {
     "auth_ref": [
      "r238"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.",
        "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense",
        "terseLabel": "Income tax penalties and interest expense"
       }
      }
     },
     "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r122",
      "r123",
      "r124",
      "r125",
      "r126",
      "r127",
      "r128"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "Use of Estimates"
       }
      }
     },
     "localname": "UseOfEstimates",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/BasisOfPresentationAndAccountingPolicyInformationPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate [Axis]"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate [Domain]"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/LongTermDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment": {
     "auth_ref": [
      "r117"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.",
        "label": "Weighted Average Number Diluted Shares Outstanding Adjustment",
        "terseLabel": "Weighted average number of diluted shares outstanding adjustment (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r113",
      "r117"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Diluted (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
        "terseLabel": "Weighted-average shares used in computing net income per common share:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r111",
      "r117"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Basic (in shares)",
        "verboseLabel": "Weighted-average common shares outstanding (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2018-01-31",
     "presentation": [
      "http://www.thermon.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome",
      "http://www.thermon.com/role/EarningsAndNetIncomeLossPerCommonShareDetails"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 9
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(1)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(h)(2))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(k)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(n)(2))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22644-107794"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22658-107794"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(14))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=d3e1448-109256"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=d3e1377-109256"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=d3e1505-109256"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=d3e1252-109256"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=SL5780133-109256"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109260490&loc=d3e1337-109256"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109256448&loc=d3e4984-109258"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8924-108599"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "http://asc.fasb.org/topic&trid=2134510"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001220&loc=d3e32367-111569"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=68049868&loc=d3e3927-108312"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 5.BB)",
   "Topic": "330",
   "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "330",
   "URI": "http://asc.fasb.org/topic&trid=2126998"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "((a)(1),(b))",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "350",
   "URI": "http://asc.fasb.org/topic&trid=2144416"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(d))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=68070138&loc=d3e11281-110244"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=68068213&loc=d3e12524-110249"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "50",
   "Topic": "505",
   "URI": "http://asc.fasb.org/subtopic&trid=2208855"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=108792157&loc=SL49130690-203046-203046"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=108792157&loc=SL49130690-203046-203046"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=108792157&loc=SL49130690-203046-203046"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "606",
   "URI": "http://asc.fasb.org/topic&trid=49130388"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "10",
   "Topic": "710",
   "URI": "http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19A",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=107668666&loc=SL79513924-113897"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=79507207&loc=d3e4534-113899"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109196918&loc=d3e11149-113907"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=109196918&loc=d3e11178-113907"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e32059-109318"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e31917-109318"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e31928-109318"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e31931-109318"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84176650&loc=d3e31958-109318"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "217",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238393&loc=d3e36027-109320"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB TOPIC 6.I)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 6.I.7)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "http://asc.fasb.org/topic&trid=2144680"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5263-128473"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5333-128473"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "38",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5504-128473"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "30",
   "SubTopic": "30",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(3)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569655-111683"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4616395-111683"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4I",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=84234705&loc=SL4590271-111686"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(6)(c))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3A-04)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=27015204&loc=d3e355119-122828"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(7))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(8))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41641-113959"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109975725&loc=SL5629052-113961"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "25",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=SL7498348-110258"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=99377789&loc=d3e19279-110258"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "820",
   "URI": "http://asc.fasb.org/topic&trid=2155941"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=109240241&loc=d3e32022-110900"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(1)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)(4)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "53",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/subtopic&trid=77888251"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/topic&trid=2122745"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109247956&loc=d3e107207-111719"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109247956&loc=d3e107207-111719"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a),20,24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "928",
   "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(1)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(2)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(9))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.10)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15(3),(4))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(b)(1))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(24))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.17)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.5(c))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99384497&loc=SL65671331-158438"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 4))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 2))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r382": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r383": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r384": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-13"
  },
  "r385": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1-"
  },
  "r386": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r387": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r388": {
   "Article": "12",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "13",
   "Sentence": "Column B"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29,30)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(c)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.4)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a)(4))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6801-107765"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.9)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=d3e681-108580"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6911-107765"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL34724394-108580"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=114867106&loc=d3e557-108580"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-03(e))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868656-224227"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(1))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(8))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1,2)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.19)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(a),(d))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=82887183&loc=d3e7018-107765"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=109223946&loc=d3e3044-108585"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  }
 },
 "version": "2.1"
}
