v3.21.1

Contract assets and contract liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Contract assets and contract liabilities

Schedule of contract asset, net and contract liability, net balance from customers

​

​	​	​	​	​	​	​
​	​	Contract		​	Contract
​		Assets, Net			Liabilities, Net
Balance at December 31, 2020	​	$	547	​	$	224,754
Balance at March 31, 2021 (1)	​		473	​	​	236,465
Change	​	$	(74)	​	$	11,711

Schedule of remaining performance obligations included in revenue

​

​	​	​	​	​	​	​
​	​	Three Months Ended
​	​	March 31,
​	​	2021		​	2020
Amounts included in the beginning of period contract liability balance	​	$	28,348	​	$	24,970
Amounts associated with performance obligations satisfied in previous periods	​	​	—	​	​	13

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ 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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