v3.20.2

Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Accrued interest net of credit losses | $ 10,000 |  |  | $ 11,000 |
Accounting Standards Update [Extensible List] |  | us-gaap:AccountingStandardsUpdate201602Member | us-gaap:AccountingStandardsUpdate201602Member |  |
Operating lease right-of-use assets | 463,220 |  |  | $ 402,428 |
Operating lease liability | $ 502,241 |  |  |  |
Customer Concentration Risk | Accounts Receivable |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Concentration risk, percentage | 14.00% |  |  |  |
Accounting Standards Update 2016-02 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Operating lease right-of-use assets |  |  |  |  | $ 335,000
Operating lease liability |  |  |  |  | $ 363,000

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