Label	Element	Value
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	$ 4,844,000
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	28,433,000
Stockholders' Equity, Preferred Return	sym_StockholdersEquityPreferredReturn	24,195,000
Stockholders' Equity, Preferred Return	sym_StockholdersEquityPreferredReturn	6,913,000
Adjustments to Additional Paid in Capital, Warrant Issued	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued	74,280,000
Adjustments to Additional Paid in Capital, Warrant Issued	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued	74,280,000
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	421,706,000
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	277,776,000
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	103,980,000
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	551,904,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(14,000)
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	37,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(888,000)
Noncontrolling Interest [Member]
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	381,276,000
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	(301,973,000)
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(804,000)
Other Additional Capital [Member]
Adjustments to Additional Paid in Capital, Warrant Issued	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued	74,280,000
Adjustments to Additional Paid in Capital, Warrant Issued	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued	74,280,000
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	(16,154,000)
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	(43,153,000)
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	(84,000)
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(14,000)
Additional Paid-in Capital [Member]
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	40,425,000
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	1,191,567,000
Retained Earnings [Member]
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	4,844,000
Stockholders' Equity, Accretion Of Temporary Equity	sym_StockholdersEquityAccretionOfTemporaryEquity	28,433,000
Stockholders' Equity, Preferred Return	sym_StockholdersEquityPreferredReturn	6,913,000
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	(1,314,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(19,178,000)
Redeemable Preferred Units, Class B-1 [Member]
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	$ 240,408,000
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	24,041,300
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 2,323,000
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 8,130,000
Common Class V-3 [Member] | Common Stock [Member]
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	416,933,025
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ 42,000
Redeemable Preferred Units, Class B [Member]
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	$ 475,072,000
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	47,508,300
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 4,590,000
Temporary Equity, Preferred Return	sym_TemporaryEquityPreferredReturn	$ 16,065,000
Common Class V-1 [Member] | Common Stock [Member]
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	60,844,573
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ 6,000
Common Class A [Member] | Common Stock [Member]
Stock Issued During Period, Value, Reverse Recapitalization	sym_StockIssuedDuringPeriodValueReverseRecapitalization	$ 5,000
Stock Issued During Period, Shares, Reverse Recapitalization	sym_StockIssuedDuringPeriodSharesReverseRecapitalization	50,664,146
Redeemable Common Units, Class C [Member]
Temporary Equity, Value, Reverse Recapitalization	sym_TemporaryEquityValueReverseRecapitalization	$ 173,460,000
Temporary Equity, Shares, Reverse Recapitalization	sym_TemporaryEquitySharesReverseRecapitalization	24,922,109
Temporary Equity, Stock Issued During Period, Shares, New Issues	sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	560,524
Temporary Equity, Stock Issued During Period, Shares, New Issues	sym_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	1,052,952
Temporary Equity, Share-based Payment Arrangement, Increase For Cost Recognition	sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition	$ 3,000
Temporary Equity, Share-based Payment Arrangement, Increase For Cost Recognition	sym_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition	52,000
Temporary Equity, Accretion to Redemption Value	us-gaap_TemporaryEquityAccretionToRedemptionValue	28,433,000
Temporary Equity, Accretion to Redemption Value	us-gaap_TemporaryEquityAccretionToRedemptionValue	$ 4,844,000
Temporary Equity, Share-based Payment Arrangement, Shares, Forfeited	sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited	1,052,952
Temporary Equity, Share-based Payment Arrangement, Shares, Forfeited	sym_TemporaryEquityShareBasedPaymentArrangementSharesForfeited	560,524
Common Class A, Voting Units [Member] | Common Stock [Member]
Stock Issued During Period, Shares, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodSharesReverseRecapitalizationAndCreationOfNoncontrollingInterest	(411,305,888)
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	$ 120,134,000
Stock Issued During Period, Value, Warrants Exercised	sym_StockIssuedDuringPeriodValueWarrantsExercised	320,929,000
Stock Issued During Period, Value, Reverse Recapitalization And Creation Of Noncontrolling Interest	sym_StockIssuedDuringPeriodValueReverseRecapitalizationAndCreationOfNoncontrollingInterest	$ (337,738,000)
Stock Issued During Period, Shares, Warrants Exercised	sym_StockIssuedDuringPeriodSharesWarrantsExercised	16,379,606
Stock Issued During Period, Shares, Warrants Exercised	sym_StockIssuedDuringPeriodSharesWarrantsExercised	43,756,942