Accrued Liabilities (Schedule of Accrued Liabilities) (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
Mar. 31, 2020 |
|---|---|---|---|
| schedule of accrued liabilities [Line Items] | |||
| Accrued liabilities, total | $ 224,674 | $ 257,278 | $ 214,044 |
| X | ||||||||||
- Definition [Line Items] for schedule of accrued liabilities [Table] No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|