Label	Element	Value
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ 551,904,000
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	277,776,000
Adjustments to Additional Paid in Capital, Other	us-gaap_AdjustmentsToAdditionalPaidInCapitalOther	23,750,000
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26,807,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	37,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(2,375,000)
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	421,706,000
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Stockholders' Equity, Preferred Return	sym_StockholdersEquityPreferredReturn	24,195,000
Stock Issued During Period, Value, Earnout Units	sym_StockIssuedDuringPeriodValueEarnoutUnits	0
Stock Issued During Period, Value, Exchange Of Class V-1 Common Stock	sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock	0
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	28,433,000
Stock Issued During Period, Value, Sponsor Issues	sym_StockIssuedDuringPeriodValueSponsorIssues	0
Other Additional Capital [Member]
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	(43,153,000)
Adjustments to Additional Paid in Capital, Warrant Issued	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued	74,280,000
Additional Paid-in Capital [Member]
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	1,191,567,000
Adjustments to Additional Paid in Capital, Other	us-gaap_AdjustmentsToAdditionalPaidInCapitalOther	2,475,000
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2,794,000
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	40,425,000
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	219,000
Stock Issued During Period, Value, Earnout Units	sym_StockIssuedDuringPeriodValueEarnoutUnits	(258,000)
Stock Issued During Period, Value, Exchange Of Class V-1 Common Stock	sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock	212,000
Stock Issued During Period, Value, Sponsor Issues	sym_StockIssuedDuringPeriodValueSponsorIssues	431,000
AOCI Attributable to Parent [Member]
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	37,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(239,000)
Noncontrolling Interest [Member]
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	(301,973,000)
Adjustments to Additional Paid in Capital, Other	us-gaap_AdjustmentsToAdditionalPaidInCapitalOther	21,275,000
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	24,013,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(2,136,000)
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	381,276,000
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	(219,000)
Stock Issued During Period, Value, Earnout Units	sym_StockIssuedDuringPeriodValueEarnoutUnits	256,000
Stock Issued During Period, Value, Exchange Of Class V-1 Common Stock	sym_StockIssuedDuringPeriodValueExchangeOfClassV1CommonStock	(212,000)
Stock Issued During Period, Value, Sponsor Issues	sym_StockIssuedDuringPeriodValueSponsorIssues	(431,000)
Retained Earnings [Member]
Stockholders' Equity, Preferred Return	sym_StockholdersEquityPreferredReturn	24,195,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(72,134,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(6,863,000)
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	28,433,000
Common Class V-3 [Member] | Common Stock [Member]
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ 42,000
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	416,933,025
Redeemable Common Units, Class C [Member]
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	24,922,109
Temporary Equity, Share-based Payment Arrangement, Increase For Cost Recognition	sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition	$ 52,000
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	173,460,000
Temporary Equity, Accretion to Redemption Value	us-gaap_TemporaryEquityAccretionToRedemptionValue	$ 28,433,000
Temporary Equity, Stock Issued During Period, Shares, New Issues	sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	1,052,952
Temporary Equity, Share-based Payment Arrangement, Shares, Forfeited	sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited	1,052,952
Redeemable Preferred Units, Class B [Member]
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	47,508,300
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 16,065,000
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	475,072,000
Common Class V-1 [Member] | Common Stock [Member]
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ 6,000
Stock Issued During Period, Shares, Exchange Of Class V-1 Common Stock	sym_StockIssuedDuringPeriodSharesExchangeOfClassV1CommonStock	(1,607,185)
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	60,844,573
Stock Issued During Period, Value, Earnout Units	sym_StockIssuedDuringPeriodValueEarnoutUnits	$ 2,000
Stock Issued During Period, Shares, Earnout Units	sym_StockIssuedDuringPeriodSharesEarnoutUnits	20,000,000
Redeemable Preferred Units, Class B-1 [Member]
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	24,041,300
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 8,130,000
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	$ 240,408,000
Common Class A [Member] | Common Stock [Member]
Stock Issued During Period, Shares, Exchange Of Class V-1 Common Stock	sym_StockIssuedDuringPeriodSharesExchangeOfClassV1CommonStock	1,607,185
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	$ 5,000
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation	1,831,505
Stock Issued During Period, Shares, Reverse Recapitalization	sym_StockIssuedDuringPeriodSharesReverseRecapitalization	50,664,146
Stock Issued During Period, Shares, Sponsor Issues	sym_StockIssuedDuringPeriodSharesSponsorIssues	3,616,000
Common Class A, Voting Units [Member] | Common Stock [Member]
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ (337,738,000)
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	$ 320,929,000
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	(411,305,888)
Stock Issued During Period, Shares, Warrants Exercised	sym_StockIssuedDuringPeriodSharesWarrantsExercised	43,756,942