Label	Element	Value
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	$ 121,000
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	74,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	163,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	616,000
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	1,004,000
Temporary Equity, Elimination as Part of Reorganization	us-gaap_TemporaryEquityEliminationAsPartofReorganization	88,131,000
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	102,433,000
Net (loss) income	us-gaap_TemporaryEquityNetIncome	0
Temporary Equity, Accretion to Redemption Value	us-gaap_TemporaryEquityAccretionToRedemptionValue	74,000
Temporary Equity, Accretion of Dividends	us-gaap_TemporaryEquityAccretionOfDividends	1,004,000
Additional Paid-in Capital [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	0
Net income	us-gaap_ProfitLoss	0
Net income	us-gaap_ProfitLoss	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	163,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	0
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	56,567,000
Noncontrolling Interest [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1,000
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	0
Net income	us-gaap_ProfitLoss	1,872,000
Net income	us-gaap_ProfitLoss	103,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	0
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	73,018,000
Retained Earnings [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	0
Net income	us-gaap_ProfitLoss	1,085,000
Net income	us-gaap_ProfitLoss	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	0
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	0
Members Equity [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	120,000
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	74,000
Net income	us-gaap_ProfitLoss	0
Net income	us-gaap_ProfitLoss	(81,000)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	616,000
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	1,004,000
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	(27,298,000)
Common Class A [Member] | Common Stock [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	0
Net income	us-gaap_ProfitLoss	0
Net income	us-gaap_ProfitLoss	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	$ 0
Effect of Organizational Transactions, Shares	onew_EffectOfOrganizationalTransactionsShares	6,088,000
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	$ 61,000
Class B Common Stock [Member] | Common Stock [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	0
Accretion of Redeemable Preferred and Issuance Costs	onew_AccretionOfRedeemablePreferredAndIssuanceCosts	0
Net income	us-gaap_ProfitLoss	0
Net income	us-gaap_ProfitLoss	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation	0
Accumulated Unpaid Preferred Returns	onew_AccumulatedUnpaidPreferredReturns	$ 0
Effect of Organizational Transactions, Shares	onew_EffectOfOrganizationalTransactionsShares	8,462,000
Effect Of Organizational Transactions Value	onew_EffectOfOrganizationalTransactionsValue	$ 85,000