Revenue - Retail Installment Contract Receivables Contract Assets (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2020
Capitalized Contract Cost [Line Items]
Contract With Customer, Asset Recognized	$ 65,000,000
Revenue recognized	29,477,000	$ 24,339,000
Retail Installment Contract
Capitalized Contract Cost [Line Items]
Financing Receivable, before Allowance for Credit Loss	39,365		$ 9,971
Financing Receivable, Allowance for Credit Loss	3,080		228
Financing Receivable, after Allowance for Credit Loss	36,285		9,743
Retail Installment Contract \| Accounts receivable, net
Capitalized Contract Cost [Line Items]
Financing Receivable, after Allowance for Credit Loss	18,460		5,867
Retail Installment Contract \| Other assets
Capitalized Contract Cost [Line Items]
Financing Receivable, after Allowance for Credit Loss	$ 17,825		$ 3,876

Contract With Customer, Asset Recognized

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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.

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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
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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

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- Definition

Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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