XML 57 R37.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract] |
Schedule of Supplemental Cash Flow Disclosures | Supplemental cash flow information for the years ended December 31, 2019, 2018 and 2017 was as follows (in thousands):
|  | 2019 |  | 2018 |  | 2017
Income taxes paid, net of refunds |  | $ | 1,255 |  |  | $ | 283 |  |  | $ | 426 |
Interest paid to others, excluding capitalized interest |  | 12,693 |  |  | 13,581 |  |  | 15,315 |
Interest received |  | (3,374 | ) |  | (1,099 | ) |  | (760 | )
Schedule of non-cash investing and financing activities: |  |  |  |  |  |
Settlement of accrued contingent liabilities through installment obligations |  | — |  |  | — |  |  | 386 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration