Revenue (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Revenue From Contract With Customer [Line Items]
Revenue, remaining performance obligation	$ 473,471
Percentage of performance obligation to be recognized as revenue	79.00%
Performance obligation, expected to be recognized as revenue year	2022
Remaining performance obligation, expected timing of satisfaction, year	2023
Increased gross profit	$ 11,724
Amortization on pre-construction costs	2,402		$ 5,847
Other Current and Noncurrent Assets [Member]
Revenue From Contract With Customer [Line Items]
Costs to fulfill a contract with customer recognized as an asset	$ 5,656	$ 5,652

Increased gross profit.

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- Definition

Percentage of performance obligation to be recognized as revenue.

+ References

No definition available.

+ Details

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- Definition

Performance obligation expected to be recognized as revenue, year.

+ References

No definition available.

+ Details

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- Definition

Revenue from contract with customer line items.

+ References

No definition available.

+ Details

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- Definition

Amount of accumulated amortization of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054

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- Definition

Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

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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=123351226&loc=SL49130556-203045

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- Definition

Year in which remaining performance obligation is expected to be recognized, in YYYY format.

+ 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 (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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