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Revenue from Contracts with Customers - Additional Information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Percentage of revenue recognized over time | 94.00% | 91.00% |
Contract with customer, asset, revenue recognized | $ 144,539,000 | $ 151,885,000 |
Contract with customer, asset, reclassified to receivable | 130,297,000 | 137,220,000 |
Contract with customer, liability, revenue recognized | 45,483,000 | 19,928,000 |
Contract with customer, liability, billings | 33,081,000 | 16,377,000 |
Revenue, remaining performance obligation | $ 1,914,710,000 |  |
Contract term | 25 years |  |
Capitalized project development costs, noncurrent | $ 1,559,000 |  | $ 1,543,000
Capitalized contract cost, project development costs | 1,985,000 | 1,635,000 |
Capitalized contract cost, impairment loss | $ 0 | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01 |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Revenue, remaining performance obligation, percentage | 35.00% |  |
Revenue, remaining performance obligation, remaining satisfaction | 12 months |  |

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- Definition Capitalized Project Development Costs, Noncurrent + References No definition available. + Details
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- Definition Contract With Customer, Asset, Revenue Recognized + References No definition available. + Details
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- Definition Contract With Customer, Liability, Billings + References No definition available. + Details
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- Definition Contract with Customer, Liability, Including New Contract Revenue, Recognized + References No definition available. + Details
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- Definition Revenue From Contract With Customer, Contract Term + References No definition available. + Details
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- Definition Revenues, Percentage Of Revenue Recognized Over Time + References No definition available. + Details
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- 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
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
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- Definition Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 + Details
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