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Revenue - Retail Installment Contract Receivables Contract Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Jan. 01, 2020 | Dec. 31, 2019
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Contract With Customer, Asset Recognized |  |  | $ 125,000 |  |  |
Revenue recognized | $ 30,000 | $ 26,000 | 59,017 | $ 50,472 |  |
Retail Installment Contract |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 73,279 |  | 73,279 |  | $ 9,971 |
Financing Receivable, Allowance for Credit Loss | 7,160 |  | 7,160 |  | 228 |
Retail installment contract receivable, carrying amount | 66,119 |  | 66,119 |  | 9,743 | $ 9,743
Retail Installment Contract | Accounts receivable, net |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Retail installment contract receivable, carrying amount | 26,542 |  | 26,542 |  | 5,867 |
Retail Installment Contract | Other assets |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Retail installment contract receivable, carrying amount | $ 39,577 |  | $ 39,577 |  | $ 3,876 |

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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=118956577&loc=SL49130549-203045 + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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