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Label Element Value
Assets transferred to Advanced Imaging at Timonium Crossing, LLC rdnt_AssetsTransferredToAdvancedImagingAtTimoniumCrossingLlc $ 4,600,000
Acquisition of Diagnostic Imaging Associates, cash rdnt_AcquisitionOfDiagnosticImagingAssociatesCash 13,000,000.0
Acquisition of RadSite, LLC, cash rdnt_AcquisitionOfRadsiteLlcCash 856,000
Assets transferred to Santa Monica Imaging Group LLC rdnt_AssetsTransferredToSantaMonicaImagingGroupLlc 2,500,000
Acquisition of RadSite, LLC, for common stock rdnt_AcquisitionOfRadsiteLlcForCommonStock 1,000,000.0
Acquisition of Diagnostic Imaging Associates, for RadNet common stock rdnt_AcquisitionOfDiagnosticImagingAssociatesForRadnetCommonStock 1,500,000
New Jersey Imaging Network, LLC [Member]  
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain 39,500,000
Business Combination, Step Acquisition, Cash Acquired rdnt_BusinessCombinationStepAcquisitionCashAcquired 5,400,000
Business Combination, Step Acquisition, Adjustment Of Investment Balance rdnt_BusinessCombinationStepAcquisitionAdjustmentOfInvestmentBalance $ 44,300,000
Equity Method Investment, Ownership Percentage us-gaap_EquityMethodInvestmentOwnershipPercentage 49.00%
Medical Arts Radiology [Member]  
Business Combination, Liabilities Arising from Contingencies, Amount Recognized us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized $ 700,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable 8,000,000.0
Business Combination, Consideration Transferred, Liabilities Incurred us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred 2,700,000
Ventura County Imaging Group, LLC [Member]  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment $ 4,300,000
Hudson Valley Radiology Associates [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued 440,207
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned $ 6,000,000.0