XML 95 R15.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Supplemental Cash Flow Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information |
| Years Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
Supplemental disclosures: | (in thousands) |  |  |  |
Interest paid | $ | — |  |  | $ | 6 |  |  | $ | — |
Income taxes paid, net | 2,172 |  |  | 14,979 |  |  | 16,951 |
Non-cash investing and financing activities: |  |  |  |  |
Non-cash capital expenditures | 863 |  |  | 481 |  |  | 832 |

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