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Summary of Accounting policies - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Disposal Transactions Closing in October 2019 [Abstract] |  |  |
Number of Disposal Transactions | 4 | 4 |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accounts Receivable, Allowance for Credit Losses, Current, Disclosure | $ 4,130 | $ 4,130 | $ 1,337
Provision for Other Credit Losses |  | 2,810 |
Accounts Receivable, Allowance for Credit Loss, Recovery |  | 577 |
Allowance for Loan and Lease Losses, Write-offs |  | $ (594) |

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- Definition Disposal Transactions Closing in October 2019 [Abstract] + References No definition available. + Details
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- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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)(3) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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