Transportation and Distribution Revenue - Additional Information (Details) $ in Thousands |
1 Months Ended | 11 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Jan. 01, 2018
USD ($)
|
Dec. 31, 2020
USD ($)
dekatherm
|
Nov. 30, 2018
USD ($)
|
Nov. 30, 2018
USD ($)
|
Dec. 30, 2020
dekatherm
|
Dec. 31, 2019
USD ($)
|
|
| Disaggregation of Revenue [Line Items] | ||||||
| Contract liability, cumulative adjustment | $ 3,300 | |||||
| Unrecognized performance obligations | $ 992 | |||||
| Recognized performance obligations quarterly | $ 146 | $ 138 | ||||
| Remaining performance obligation | 68,700 | |||||
| Contract asset balance | 363 | $ 206 | ||||
| Unamortized deferred contract costs | $ 950 | |||||
| Spire | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Firm capacity (in dekatherms) | dekatherm | 145,600 | 62,800 | ||||
| X | ||||||||||
- Definition Contract With Customer, Liability, Change In Timeframe, Performance Obligation Satisfied, Revenue Unrecognized No definition available.
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| X | ||||||||||
- Definition Contract with Customer, Liability, Revenue Recognized, Per Quarter No definition available.
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| X | ||||||||||
- Definition Firm Capacity, Per Day No definition available.
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| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| 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. No definition available.
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| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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