XML 54 R41.htm IDEA: XBRL DOCUMENT
v3.22.4

Summary of Significant Accounting Policies - Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Cash and cash equivalents | $ 79,765 |
Short-term investments | 157,774 | $ 0
U.S. treasury securities |  |
Assets: |  |
Short-term investments | 153,501 |
Corporate securities |  |
Assets: |  |
Short-term investments | 4,273 |
Fair Value, Recurring |  |
Assets: |  |
Total assets | 197,648 |
Liabilities: |  |
Contingent consideration | 227 |
Total liabilities | 227 |
Fair Value, Recurring | U.S. treasury securities |  |
Assets: |  |
Short-term investments | 153,501 |
Fair Value, Recurring | Corporate securities |  |
Assets: |  |
Short-term investments | 4,273 |
Fair Value, Recurring | Convertible Debt Securities |  |
Assets: |  |
Short-term investments | 3,652 |
Fair Value, Recurring | Money market funds |  |
Assets: |  |
Cash and cash equivalents | 36,222 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs) |  |
Assets: |  |
Total assets | 36,222 |
Liabilities: |  |
Contingent consideration | 0 |
Total liabilities | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs) | U.S. treasury securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs) | Corporate securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs) | Convertible Debt Securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1 Inputs) | Money market funds |  |
Assets: |  |
Cash and cash equivalents | 36,222 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2 Inputs) |  |
Assets: |  |
Total assets | 157,774 |
Liabilities: |  |
Contingent consideration | 0 |
Total liabilities | 0 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2 Inputs) | U.S. treasury securities |  |
Assets: |  |
Short-term investments | 153,501 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2 Inputs) | Corporate securities |  |
Assets: |  |
Short-term investments | 4,273 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2 Inputs) | Convertible Debt Securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Significant Other Observable Inputs (Level 2 Inputs) | Money market funds |  |
Assets: |  |
Cash and cash equivalents | 0 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3 Inputs) |  |
Assets: |  |
Total assets | 3,652 |
Liabilities: |  |
Contingent consideration | 227 |
Total liabilities | 227 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3 Inputs) | U.S. treasury securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3 Inputs) | Corporate securities |  |
Assets: |  |
Short-term investments | 0 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3 Inputs) | Convertible Debt Securities |  |
Assets: |  |
Short-term investments | 3,652 |
Fair Value, Recurring | Significant Unobservable Inputs (Level 3 Inputs) | Money market funds |  |
Assets: |  |
Cash and cash equivalents | $ 0 |

X
- Definition Business Combination, Contingent Consideration, Liability, Fair Value Disclosure + References No definition available. + Details
Name: | semr_BusinessCombinationContingentConsiderationLiabilityFairValueDisclosure
Namespace Prefix: | semr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion 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. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryBondSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |