Revenue - Disaggregation of Revenue - Contract Liabilities Refundable Customer Deposits (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Refundable Customer Deposits
Change in Contract with Customer, Liability
Beginning balance		$ 6,274	$ 0
Additions to contract liabilities - prepayment	$ 7,000		7,000
Additions to contract liabilities - significant financing component interest		440	152
Contract liabilities transferred to revenue		(3,521)	(878)
Ending balance		3,193	6,274
ASC 606
Change in Contract with Customer, Liability
Beginning balance		3,333	4,553
Additions to contract liabilities		6,602	6,686
Adoption of ASC 606			(940)
Contract liabilities transferred to revenue		(4,923)	(7,490)
Impact of acquisitions		196	670
Impact of divestitures			(146)
Ending balance		$ 5,208	$ 3,333

Amount of increase in contract liability due to additions during the year.

No definition available.

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- Definition

Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from adoption of ASU topic 606 which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from impact of divestitures.

+ References

No definition available.

+ Details

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- Definition

Amount of increase in contract liability due to additions from prepayment during the year.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in revenue recognized for Significant Financing Component Interest.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

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