$ATIP
ATI Physical Therapy, Inc. Stock $atip

$atip Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000181584922000018 Filed on November 08, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue	$161.8M	$156.8M
YoY Change	3.85%	-1.4%
Cost Of Revenue	$139.8M	$141.7M
YoY Change	2.87%	6.88%
Gross Profit	$21.98M	$15.07M
YoY Change	10.55%	-42.95%
Gross Profit Margin	13.59%	9.61%
Selling, General & Admin	$26.81M	$25.26M
YoY Change	-10.34%	-17.96%
% of Gross Profit	121.95%	167.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$10.11M	$9.924M
YoY Change	1.08%	9.11%
% of Gross Profit	46.01%	65.87%
Operating Expenses	$30.09M	$25.26M
YoY Change	0.65%	-17.96%
Operating Profit	-$8.109M	-$119.7M
YoY Change	-33.05%	-76.85%
Interest Expense	-$13.46M	-$11.78M
YoY Change	86.6%	59.49%
% of Operating Profit
Other Income/Expense, Net	$10.21M	-$195.0K
YoY Change	-34.73%	275.0%
Pretax Income	-$107.4M	-$123.9M
YoY Change	2809.92%	-65.78%
Income Tax	-$4.998M	-$7.200M
% Of Pretax Income
Net Earnings	-$102.8M	-$116.3M
YoY Change	-12617.05%	-64.17%
Net Earnings / Revenue	-63.53%	-74.19%
Basic Earnings Per Share		-$0.60
Diluted Earnings Per Share	-$0.50	-$0.60
COMMON SHARES
Basic Shares Outstanding	207.3M shares	204.3M shares
Diluted Shares Outstanding		204.3M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$83.14M	$48.57M
YoY Change	71.01%	-26.51%
Cash & Equivalents	$83.10M	$48.60M
Short-Term Investments
Other Short-Term Assets	$10.04M	$13.77M
YoY Change	213.36%	11.76%
Inventory
Prepaid Expenses	$13.53M	$12.47M
Receivables	$80.67M	$82.32M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$194.1M	$157.1M
YoY Change	35.21%	-3.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$123.7M	$129.8M
YoY Change	-11.48%	-3.78%
Goodwill	$286.5M	$338.0M
YoY Change	-52.95%	-43.97%
Intangibles	$246.6M	$291.8M
YoY Change	-40.11%	-29.03%
Long-Term Investments
YoY Change
Other Assets	$2.030M	$2.068M
YoY Change	-9.09%	6.54%
Total Long-Term Assets	$884.9M	$1.000B
YoY Change	-37.65%	-28.82%
TOTAL ASSETS
Total Short-Term Assets	$194.1M	$157.1M
Total Long-Term Assets	$884.9M	$1.000B
Total Assets	$1.079B	$1.157B
YoY Change	-30.95%	-26.22%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.56M	$11.10M
YoY Change	-17.08%	0.7%
Accrued Expenses	$95.19M	$97.03M
YoY Change	-9.44%	-1.5%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$0.00
YoY Change	-100.0%	-100.0%
Total Short-Term Liabilities	$116.5M	$116.0M
YoY Change	-15.15%	-7.36%
LONG-TERM LIABILITIES
Long-Term Debt	$531.6M	$479.9M
YoY Change	-2.24%	-11.99%
Other Long-Term Liabilities	$1.834M	$1.944M
YoY Change	-20.3%	-73.12%
Total Long-Term Liabilities	$533.4M	$481.9M
YoY Change	-2.32%	-12.79%
TOTAL LIABILITIES
Total Short-Term Liabilities	$116.5M	$116.0M
Total Long-Term Liabilities	$533.4M	$481.9M
Total Liabilities	$890.2M	$864.5M
YoY Change	-15.31%	-18.93%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.340B	-$1.237B
YoY Change	58.12%	44.64%
Common Stock	$20.00K	$20.00K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$100.0K	$100.0K
YoY Change	5.26%
Treasury Stock Shares	80.00K shares	60.00K shares
Shareholders Equity	$43.96M	$147.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.079B	$1.157B
YoY Change	-30.95%	-26.22%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	-$102.8M	-$116.3M
YoY Change	-12617.05%	-64.17%
Depreciation, Depletion And Amortization	$10.11M	$9.924M
YoY Change	1.08%	9.11%
Cash From Operating Activities	-$6.428M	-$26.34M
YoY Change	87.02%	128.0%
INVESTING ACTIVITIES
Capital Expenditures	$6.056M	-$4.250M
YoY Change	-146.97%	-56.92%
Acquisitions
YoY Change
Other Investing Activities	-$130.0K	$6.000K
YoY Change	-107.62%	-94.29%
Cash From Investing Activities	-$6.186M	-$4.244M
YoY Change	-44.7%	-56.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	47.18M	-524.0K
YoY Change	-1753.84%	-83.43%
NET CHANGE
Cash From Operating Activities	-6.428M	-26.34M
Cash From Investing Activities	-6.186M	-4.244M
Cash From Financing Activities	47.18M	-524.0K
Net Change In Cash	34.57M	-31.11M
YoY Change	-297.81%	27.1%
FREE CASH FLOW
Cash From Operating Activities	-$6.428M	-$26.34M
Capital Expenditures	$6.056M	-$4.250M
Free Cash Flow	-$12.48M	-$22.09M
YoY Change	-232.04%	1208.05%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0001815849
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-39439
	dei	Entity Registrant Name EntityRegistrantName	ATI Physical Therapy, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	85-1408039
	dei	Entity Address Address Line1 EntityAddressAddressLine1	790 Remington Boulevard
	dei	Entity Address City Or Town EntityAddressCityOrTown	Bolingbrook
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	60440
	dei	City Area Code CityAreaCode	630
	dei	Local Phone Number LocalPhoneNumber	296-2223
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2021Q4	us-gaap	Minority Interest MinorityInterest	7089000	usd
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CY2022Q3	ati	Rent Clinic Supplies Contract Labor And Other Operating Expenses RentClinicSuppliesContractLaborAndOtherOperatingExpenses	51417000	usd
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	ati	Rent Clinic Supplies Contract Labor And Other Operating Expenses RentClinicSuppliesContractLaborAndOtherOperatingExpenses	153437000	usd
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CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.60
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.98
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.02
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.98
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.02
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	204282000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	204282000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	196996000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	196996000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	202708000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	202708000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155197000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155197000	shares
CY2022Q3	us-gaap	Profit Loss ProfitLoss	-116694000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-326774000	usd
	us-gaap	Profit Loss ProfitLoss	-390640000	usd
	us-gaap	Profit Loss ProfitLoss	-783718000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	655000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	181000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	7115000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1378000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-116039000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-326593000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-383525000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-782340000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-376000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2109000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-1026000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-4569000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-115663000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-324484000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-382499000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-777771000	usd
	us-gaap	Profit Loss ProfitLoss	-783718000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	511507000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	19725000	usd
CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	22000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1960000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3752000	usd
CY2022Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	473000	usd
CY2022Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-473000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-137750000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	398226000	usd
CY2022Q2	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	12000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1959000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2708000	usd
CY2022Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	139000	usd
CY2022Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-177000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-135546000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	267019000	usd
CY2022Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	7000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1911000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	655000	usd
CY2022Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	517000	usd
CY2022Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-376000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-116318000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	152367000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	901117000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	504000	usd
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	561000	usd
CY2021Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	3575000	usd
CY2021Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1309000	usd
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-19127000	usd
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	880789000	usd
CY2021Q2	ati	Stock Issued During Period Value Reverse Recapitalization StockIssuedDuringPeriodValueReverseRecapitalization	210105000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	300000000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	128453000	usd
CY2021Q2	ati	Adjustments To Additional Paid In Capital Warrant Liability Recognized In Reverse Recapitalization AdjustmentsToAdditionalPaidInCapitalWarrantLiabilityRecognizedInReverseRecapitalization	26936000	usd
CY2021Q2	ati	Adjustment To Additional Paid In Capital Recognition Of Contingent Shares Liability AdjustmentToAdditionalPaidInCapitalRecognitionOfContingentSharesLiability	220500000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3112000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	636000	usd
CY2021Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	920000	usd
CY2021Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3769000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-435357000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	835613000	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1248000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	181000	usd
CY2021Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1120000	usd
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-2109000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-324665000	usd
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	509148000	usd
	us-gaap	Profit Loss ProfitLoss	-390640000	usd
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	390224000	usd
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	962303000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	30477000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	27990000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11408000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14270000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43532000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-65579000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	36155000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	33868000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5830000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	4864000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1934000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2644000	usd
	us-gaap	Paid In Kind Interest PaidInKindInterest	889000	usd
	us-gaap	Paid In Kind Interest PaidInKindInterest	0	usd
	ati	Increase Decrease In Accrued Interest On Redeemable Preferred Stock IncreaseDecreaseInAccruedInterestOnRedeemablePreferredStock	0	usd
	ati	Increase Decrease In Accrued Interest On Redeemable Preferred Stock IncreaseDecreaseInAccruedInterestOnRedeemablePreferredStock	10087000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2809000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5534000	usd
	ati	Gain Loss On Cash Settlement For Outstanding Preferred Stock GainLossOnCashSettlementForOutstandingPreferredStock	0	usd
	ati	Gain Loss On Cash Settlement For Outstanding Preferred Stock GainLossOnCashSettlementForOutstandingPreferredStock	-14037000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	42000	usd
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-219000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-3651000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-20424000	usd
	ati	Change In Fair Value Of Contingent Common Share Liability ChangeInFairValueOfContingentCommonShareLiability	-32760000	usd
	ati	Change In Fair Value Of Contingent Common Share Liability ChangeInFairValueOfContingentCommonShareLiability	-167265000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11276000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8564000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5507000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6580000	usd
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-52000	usd
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	269000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-2100000	usd
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	151000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-702000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-11820000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-36431000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-39084000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	52000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	824000	usd
	ati	Increase Decrease In Medicare Accelerated And Advance Payment Funds IncreaseDecreaseInMedicareAcceleratedAndAdvancePaymentFunds	-12269000	usd
	ati	Increase Decrease In Medicare Accelerated And Advance Payment Funds IncreaseDecreaseInMedicareAcceleratedAndAdvancePaymentFunds	-8540000	usd
	ati	Transaction Related Amount Due To Former Owners TransactionRelatedAmountDueToFormerOwners	0	usd
	ati	Transaction Related Amount Due To Former Owners TransactionRelatedAmountDueToFormerOwners	3611000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-59080000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-38663000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22091000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27701000	usd
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	usd
	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	1375000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	152000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	125000	usd
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	77000	usd
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	248000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-21862000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-28703000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	500000000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	12952000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
	ati	Payment Of Debt Issuance Discount PaymentOfDebtIssuanceDiscount	10000000	usd
	ati	Payment Of Debt Issuance Discount PaymentOfDebtIssuanceDiscount	0	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	555048000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	454160000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	144667000	usd
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	20333000	usd
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	0	usd
	ati	Proceeds From Reverse Recapitalization ProceedsFromReverseRecapitalization	0	usd
	ati	Proceeds From Reverse Recapitalization ProceedsFromReverseRecapitalization	229338000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	0	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	59000000	usd
	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	0	usd
	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	300000000	usd
	ati	Payment Of Stock Issuance Costs And Issuance Discounts PaymentOfStockIssuanceCostsAndIssuanceDiscounts	4935000	usd
	ati	Payment Of Stock Issuance Costs And Issuance Discounts PaymentOfStockIssuanceCostsAndIssuanceDiscounts	19233000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	41000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1129000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	5615000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	80895000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8670000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-47000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-76036000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	48616000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	142128000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	48569000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66092000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	7115000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	1378000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2230000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1733000	usd
	ati	Warrant Liabilities Recognized Upon The Closing Of The Reverse Recapitalization WarrantLiabilitiesRecognizedUponTheClosingOfTheReverseRecapitalization	0	usd
	ati	Warrant Liabilities Recognized Upon The Closing Of The Reverse Recapitalization WarrantLiabilitiesRecognizedUponTheClosingOfTheReverseRecapitalization	26936000	usd
	ati	Contingent Consideration Common Shares Liabilities Recognized Upon The Closing Of The Reverse Recapitalization ContingentConsiderationCommonSharesLiabilitiesRecognizedUponTheClosingOfTheReverseRecapitalization	0	usd
	ati	Contingent Consideration Common Shares Liabilities Recognized Upon The Closing Of The Reverse Recapitalization ContingentConsiderationCommonSharesLiabilitiesRecognizedUponTheClosingOfTheReverseRecapitalization	220500000	usd
	us-gaap	Stock Issued1 StockIssued1	0	usd
	us-gaap	Stock Issued1 StockIssued1	128453000	usd
	us-gaap	Interest Paid Net InterestPaidNet	29453000	usd
	us-gaap	Interest Paid Net InterestPaidNet	35334000	usd
	us-gaap	Derivative Cash Received On Hedge DerivativeCashReceivedOnHedge	1080000	usd
	us-gaap	Derivative Cash Received On Hedge DerivativeCashReceivedOnHedge	0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	82000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	156000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Overview of the Company<div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ATI Physical Therapy, Inc., together with its subsidiaries (herein referred to as “we,” “the Company,” “ATI Physical Therapy” and “ATI”), is a nationally recognized healthcare company, specializing in outpatient rehabilitation and adjacent healthcare services. The Company provides outpatient physical therapy services under the name ATI Physical Therapy and, as of September 30, 2022, had 929 clinics (as well as 20 clinics under management service agreements) located in 25 states. The Company offers a variety of services within its clinics, including physical therapy to treat spine, shoulder, knee and neck injuries or pain; work injury rehabilitation services, including work conditioning and work hardening; hand therapy; and other specialized treatment services. The Company’s direct and indirect wholly-owned subsidiaries include, but are not limited to, Wilco Holdco, Inc., ATI Holdings Acquisition, Inc. and ATI Holdings, LLC.</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On June 16, 2021 (the “Closing Date”), a Business Combination transaction (the “Business Combination”) was finalized pursuant to the Agreement and Plan of Merger ("Merger Agreement"), dated February 21, 2021 between the operating company, Wilco Holdco, Inc. (“Wilco Holdco”), and Fortress Value Acquisition Corp. II (herein referred to as "FAII" and "FVAC"), a special purpose acquisition company. In connection with the closing of the Business Combination, the Company changed its name from Fortress Value Acquisition Corp. II to ATI Physical Therapy, Inc. The Company’s common stock is listed on the New York Stock Exchange ("NYSE") under the symbol “ATIP.”</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Business Combination was accounted for as a reverse recapitalization in accordance with U.S. generally accepted accounting principles ("GAAP"). Under </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">this method of accounting, FAII is treated as the acquired company and Wilco Holdco is treated as the acquirer for financial statement reporting and accounting purposes. As a result, the historical operations of Wilco Holdco are deemed to be those of the Company. Therefore, the financial statements included in this report reflect (i) the historical operating results of Wilco Holdco prior to the Business Combination; (ii) the combined results of FAII and Wilco Holdco following the Business Combination on June 16, 2021; (iii) the assets and liabilities of Wilco Holdco at their historical cost; and (iv) the Company’s equity structure for all periods presented. The recapitalization of the number of shares of common stock attributable to the Business Combination is reflected retroactively to the earliest period presented and will be utilized for calculating earnings per share in all prior periods presented. No step-up basis of intangible assets or goodwill was recorded in the Business Combination consistent with the treatment of the transaction as a reverse recapitalization of Wilco Holdco, Inc. Refer to Note 3 - </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Business Combinations and Divestiture</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> for additional information.</span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Impact of COVID-19 and CARES Act</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The coronavirus ("COVID-19") pandemic in the United States resulted in changes to our operating environment. We continue to closely monitor the impact of COVID-19 on all aspects of our business, and our priorities remain protecting the health and safety of employees and patients, maximizing the availability of services to satisfy patient needs and improving the operational and financial stability of our business. While we expect the disruption caused by COVID-19 and resulting impacts to diminish over time, we cannot predict the length of such impacts, and if such impacts continue for an extended period, it could have a continued effect on the Company’s results of operations, financial condition and cash flows, which could be material.</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) was signed into law providing reimbursement, grants, waivers and other funds to assist health care providers during the COVID-19 pandemic. The Company has realized benefits under the CARES Act including, but not limited to, the following: </span></div><div style="margin-bottom:12pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">The Company applied for and obtained approval to receive $26.7 million of Medicare Accelerated and Advance Payment Program ("MAAPP") funds during the quarter ended June 30, 2020. During the nine months ended September 30, 2022 and 2021, the Company applied $12.3 million and $8.5 million in MAAPP funds against the outstanding liability, respectively. During the quarter ended September 30, 2022, the Company met the required performance obligations and performed the remaining services related to the MAAPP funds. Therefore, the remaining funds were applied and repaid during the quarter ended September 30, 2022. As of September 30, 2022 and December 31, 2021, zero and $12.3 million of the funds are recorded in accrued expenses and other liabilities, respectively.</span></div><div style="margin-bottom:14pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">The Company elected to defer depositing the employer portion of Social Security taxes for payments due from March 27, 2020 through December 31, 2020, interest-free and penalty-free. Related to these payments, as of September 30, 2022 and December 31, 2021, $5.9 million is included in accrued expenses and other liabilities.</span></div>
CY2022Q3	us-gaap	Number Of Stores NumberOfStores	929	clinic
CY2022Q3	ati	Number Of Stores Under Management Service Agreements NumberOfStoresUnderManagementServiceAgreements	20	clinic
CY2022Q3	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	25	state
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-35300000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-65600000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-326800000	usd
	us-gaap	Profit Loss ProfitLoss	-783700000	usd
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.02
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	48600000	usd
CY2022Q3	ati	Total Available Liquidity TotalAvailableLiquidity	96800000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-59100000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-435600000	usd
	us-gaap	Profit Loss ProfitLoss	-390600000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1236700000	usd
CY2021Q2	ati	Recapitalization Exchange Ratio RecapitalizationExchangeRatio	136.7
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of estimates</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the condensed consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. The effect of any change in estimates will be recognized in the current period of the change.</span></div>
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CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	196600000	shares
CY2021Q2	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	34137000	shares
CY2021Q2	ati	Stock Converted Reverse Recapitalization Shares StockConvertedReverseRecapitalizationShares	130300000	shares
CY2021Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	30000000	shares
CY2021Q2	us-gaap	Stock Issued During Period Shares Conversion Of Convertible Securities StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities	12845000	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	207282000	shares
CY2021Q2	ati	Common Stock Shares Issued Vesting Shares CommonStockSharesIssuedVestingShares	8625000	shares
CY2021Q2	ati	Common Stock Shares Issued Restricted CommonStockSharesIssuedRestricted	2014000	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	196643000	shares
CY2021Q2	ati	Cash Acquired Through Reverse Recapitalization CashAcquiredThroughReverseRecapitalization	345036000	usd
CY2021Q2	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	89877000	usd
CY2021Q2	ati	Payments Of Reverse Recapitalization Transaction Costs PaymentsOfReverseRecapitalizationTransactionCosts	25821000	usd
CY2021Q2	ati	Proceeds From Reverse Recapitalization ProceedsFromReverseRecapitalization	229338000	usd
CY2021Q2	ati	Reverse Recapitalization Transaction Cost Offset Against Proceeds ReverseRecapitalizationTransactionCostOffsetAgainstProceeds	19233000	usd
CY2021Q2	ati	Proceeds From Reverse Recapitalization Transaction Net Of Transaction Cost ProceedsFromReverseRecapitalizationTransactionNetOfTransactionCost	210105000	usd
CY2021Q2	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	300000000	usd
CY2021Q2	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	59000000	usd
CY2021	ati	Reverse Recapitalization Transaction Cost ReverseRecapitalizationTransactionCost	5543000	usd
CY2021	ati	Net Increase Decrease In Cash Related To Reverse Recapitalization NetIncreaseDecreaseInCashRelatedToReverseRecapitalization	-2473000	usd
CY2021	ati	Reverse Recapitalization Transaction Cost ReverseRecapitalizationTransactionCost	5500000	usd
CY2021	ati	Adjustments To Additional Paid In Capital Recapitalization Transaction Costs AdjustmentsToAdditionalPaidInCapitalRecapitalizationTransactionCosts	19200000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	156792000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	159013000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	473907000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	472108000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	608811000	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	270564000	usd
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	236000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	338011000	usd
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	726800000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	291767000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	411696000	usd
CY2022Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	116300000	usd
CY2022Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	87900000	usd
CY2022Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	66400000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	352917000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	336135000	usd
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	223156000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	196405000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	129761000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	139730000	usd
CY2022Q3	us-gaap	Depreciation Depreciation	9924000	usd
CY2021Q3	us-gaap	Depreciation Depreciation	9095000	usd
	us-gaap	Depreciation Depreciation	29918000	usd
	us-gaap	Depreciation Depreciation	27711000	usd
CY2022Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	17910000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	27257000	usd
CY2022Q3	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	6039000	usd
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	5998000	usd
CY2022Q3	ati	Medicare Accelerated And Advance Payment Funds And Deferred Employer Social Security Tax Cares Act Current MedicareAcceleratedAndAdvancePaymentFundsAndDeferredEmployerSocialSecurityTaxCARESActCurrent	5910000	usd
CY2021Q4	ati	Medicare Accelerated And Advance Payment Funds And Deferred Employer Social Security Tax Cares Act Current MedicareAcceleratedAndAdvancePaymentFundsAndDeferredEmployerSocialSecurityTaxCARESActCurrent	18179000	usd
CY2022Q3	us-gaap	Health Care Organization Accounts Payable To Third Party Payor HealthCareOrganizationAccountsPayableToThirdPartyPayor	5084000	usd
CY2021Q4	us-gaap	Health Care Organization Accounts Payable To Third Party Payor HealthCareOrganizationAccountsPayableToThirdPartyPayor	4240000	usd
CY2022Q3	us-gaap	Litigation Reserve Current LitigationReserveCurrent	5000000	usd
CY2021Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	0	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	479906000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	543799000	usd
CY2022Q1	ati	Proceeds From Issuance Of Temporary Equity And Warrants ProceedsFromIssuanceOfTemporaryEquityAndWarrants	165000000	usd
CY2022Q3	ati	Accrued Contract Labor Current AccruedContractLaborCurrent	4725000	usd
CY2021Q4	ati	Accrued Contract Labor Current AccruedContractLaborCurrent	2057000	usd
CY2022Q3	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	7843000	usd
CY2021Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	6853000	usd
CY2022Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	52511000	usd
CY2021Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	64584000	usd
CY2022Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	11637000	usd
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1935000	usd
CY2022Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	9346000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	1147000	usd
CY2022Q3	us-gaap	Long Term Debt LongTermDebt	479906000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	551966000	usd
CY2022Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	8167000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	0	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2022Q1	ati	Proceeds From Issuance Of Temporary Equity And Warrants ProceedsFromIssuanceOfTemporaryEquityAndWarrants	165000000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2022Q3	ati	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	500889000	usd
CY2022Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	500889000	usd
CY2022Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	20983000	usd
CY2022Q3	us-gaap	Long Term Debt LongTermDebt	479906000	usd
CY2022Q3	us-gaap	Share Based Compensation ShareBasedCompensation	1900000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5800000	usd
CY2022Q1	ati	Proceeds From Issuance Of Temporary Equity And Warrants ProceedsFromIssuanceOfTemporaryEquityAndWarrants	165000000	usd
CY2022Q1	ati	Temporary Equity Number Of Directors Equity Holders Can Elect TemporaryEquityNumberOfDirectorsEquityHoldersCanElect	1	segment
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	30000.00	shares
CY2022Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	60000.00	shares
CY2022Q1	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	20333000	usd
CY2022Q1	ati	Class Of Warrant Or Right Unamortized Discount ClassOfWarrantOrRightUnamortizedDiscount	203000	usd
CY2022Q1	ati	Class Of Warrant Or Right Issuance Cost ClassOfWarrantOrRightIssuanceCost	405000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	19725000	usd
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	ati	Recapitalization Exchange Ratio RecapitalizationExchangeRatio	136.7
CY2022Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	66202000	shares
CY2022Q3	us-gaap	Treasury Stock Value TreasuryStockValue	100000	usd
CY2021	ati	Gain Loss On Cash Settlement For Outstanding Preferred Stock GainLossOnCashSettlementForOutstandingPreferredStock	-14000000	usd
CY2022Q3	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	11.50
CY2022Q3	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	11.50
CY2022Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3752000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2708000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	655000	usd
CY2021Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	561000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	636000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	181000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.058
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-7200000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.098
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-35300000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.100
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-43500000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.077
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-65600000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-7200000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-43500000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-35300000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-65600000	usd
	ati	Lease Modification Operating Lease Assets Additions LeaseModificationOperatingLeaseAssetsAdditions	11000000	usd
	ati	Lease Modification Operation Lease Liabilities Additions LeaseModificationOperationLeaseLiabilitiesAdditions	13200000	usd
CY2022Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	16826000	usd
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	16096000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	50313000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	47822000	usd
CY2022Q3	us-gaap	Variable Lease Cost VariableLeaseCost	5198000	usd
CY2021Q3	us-gaap	Variable Lease Cost VariableLeaseCost	4425000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	15734000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	14361000	usd
CY2022Q3	us-gaap	Lease Cost LeaseCost	22024000	usd
CY2021Q3	us-gaap	Lease Cost LeaseCost	20521000	usd
	us-gaap	Lease Cost LeaseCost	66047000	usd
	us-gaap	Lease Cost LeaseCost	62183000	usd
	ati	Lease Modification Operation Lease Liabilities Additions LeaseModificationOperationLeaseLiabilitiesAdditions	11000000	usd
	ati	Lease Modification Operating Lease Assets Additions LeaseModificationOperatingLeaseAssetsAdditions	13200000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	50641000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	48918000	usd
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	ati	Payments For Lease Terminations PaymentsForLeaseTerminations	4570000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8404000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19370000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y4M24D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	6.8
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	6.5
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	16886000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	68962000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	61479000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	51983000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	45643000	usd
CY2022Q3	ati	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	101471000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	346424000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	64598000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	281826000	usd
CY2022Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	52366000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	229460000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	-116694000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-326774000	usd
	us-gaap	Profit Loss ProfitLoss	-390640000	usd
	us-gaap	Profit Loss ProfitLoss	-783718000	usd
CY2022Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-376000	usd
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-2109000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1026000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-4569000	usd
CY2022Q3	ati	Temporary Equity Cumulative Dividend TemporaryEquityCumulativeDividend	5274000	usd
CY2021Q3	ati	Temporary Equity Cumulative Dividend TemporaryEquityCumulativeDividend	0	usd
	ati	Temporary Equity Cumulative Dividend TemporaryEquityCumulativeDividend	12263000	usd
	ati	Temporary Equity Cumulative Dividend TemporaryEquityCumulativeDividend	0	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-121592000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-121592000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-324665000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-324665000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-401877000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-401877000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-779149000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-779149000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	204282000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	204282000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	196996000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	196996000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	202708000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	202708000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155197000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155197000	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.60
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.60
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.65
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.98
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.98
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.02
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	27151000	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	11270000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	27151000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	11270000	shares

Files In Submission

Name	View Source	Status
0001815849-22-000018-index-headers.html	Edgar Link	pending
0001815849-22-000018-index.html	Edgar Link	pending
0001815849-22-000018.txt	Edgar Link	pending
0001815849-22-000018-xbrl.zip	Edgar Link	pending
ati-20220930.htm	Edgar Link	pending
ati-20220930.xsd	Edgar Link	pending
ati-20220930_g1.jpg	Edgar Link	pending
ati-20220930_g2.jpg	Edgar Link	pending
ati-20220930_g3.jpg	Edgar Link	pending
exhibit311_q32022.htm	Edgar Link	pending
exhibit312_q32022.htm	Edgar Link	pending
exhibit32_q32022.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
ati-20220930_cal.xml	Edgar Link	unprocessable
ati-20220930_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
ati-20220930_lab.xml	Edgar Link	unprocessable
ati-20220930_pre.xml	Edgar Link	unprocessable
ati-20220930_htm.xml	Edgar Link	completed
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2022 Q4 Form 10-Q Financial Statement

#000181584922000018 Filed on November 08, 2022

Income Statement

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$ATIP ATI Physical Therapy, Inc. Stock $atip

2022 Q4 Form 10-Q Financial Statement

#000181584922000018 Filed on November 08, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATIP
ATI Physical Therapy, Inc. Stock $atip