XML 69 R51.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Credit Facilities and Notes Payable - Schedule of Company's Senior Secured Credit Facilities (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | $ 1,385,000,000 | $ 425,000,000
Outstanding Amount | 829,440,000 | 154,941,000
Senior Secured Credit Facilities With Financial Institutions |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | 85,000.0 | 200,000,000.0
Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Outstanding Amount | 81,926,000 | 105,397,000
Two Thousand and Twenty Two August Revolving Credit Facility [Member] | Senior Secured Credit Facilities With Financial Institutions |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity |  | 200,000,000
Outstanding Amount |  | $ 49,544,000
Weighted- Average Interest Rate |  | 3.72%
Two Thousand and Twenty Two August Revolving Credit Facility [Member] | Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | 400,000,000 |
Outstanding Amount | $ 365,392,000 |
Weighted- Average Interest Rate | 2.60% |
End of Revolving / Withdrawal Period | Aug. 31, 2022 |
Maturity Date | Aug. 31, 2022 |
Two Thousand and Twenty Two December Revolving Credit Facility [Member] | Senior Secured Credit Facilities With Financial Institutions |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity |  | $ 225,000,000
Outstanding Amount |  | $ 105,397,000
Weighted- Average Interest Rate |  | 5.28%
Two Thousand and Twenty Two December Revolving Credit Facility [Member] | Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | $ 85,000,000 |
Outstanding Amount | $ 81,926,000 |
Weighted- Average Interest Rate | 4.10% |
End of Revolving / Withdrawal Period | Dec. 31, 2022 |
Maturity Date | Dec. 31, 2022 |
Two Thousand And Twenty Four December Revolving Credit Facility Member | Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | $ 500,000,000 |
Outstanding Amount | $ 7,059,000 |
Weighted- Average Interest Rate | 2.60% |
End of Revolving / Withdrawal Period | Dec. 31, 2023 |
Maturity Date | Dec. 31, 2024 |
Two Thousand And Twenty Four March Revolving Credit Facility [Member] | Revolving Credit Facility [Member] |  |
Line Of Credit Facility [Line Items] |  |
Borrowing Capacity | $ 400,000,000 |
Outstanding Amount | $ 375,063,000 |
Weighted- Average Interest Rate | 2.60% |
End of Revolving / Withdrawal Period | Sep. 30, 2023 |
Maturity Date | Mar. 31, 2024 |

X
- Definition End of revolving / withdrawal period + References No definition available. + Details
Name: | opad_EndOfRevolvingWithdrawalPeriod
Namespace Prefix: | opad_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAverageOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maturity date of long-term debt, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_LongTermDebtMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=opad_SeniorSecuredCreditFacilitiesWithFinancialInstitutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=opad_SeniorSecuredCreditFacilityWithRelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=opad_TwoThousandAndTwentyTwoAugustRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=opad_TwoThousandAndTwentyTwoDecemberRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=opad_TwoThousandAndTwentyFourDecemberRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=opad_TwoThousandAndTwentyFourMarchRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |