Segment Information (Capital Expenditures, Depreciation and Amortization by Segment) (Details) - USD ($) $ in Thousands  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021  | 
Jun. 30, 2020  | 
Jun. 30, 2021  | 
Jun. 30, 2020  | 
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| Segment Reporting Information [Line Items] | ||||
| Capital expenditures | $ 1,878 | $ 719 | $ 3,225 | $ 2,021 | 
| Depreciation | 1,349 | 1,148 | 2,705 | 2,265 | 
| Amortization | 1,197 | 765 | 2,394 | 1,537 | 
| Black Diamond [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Capital expenditures | 580 | 316 | 1,272 | 1,305 | 
| Depreciation | 694 | 703 | 1,407 | 1,388 | 
| Amortization | 258 | 269 | 517 | 545 | 
| Sierra [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Capital expenditures | 1,298 | 403 | 1,953 | 716 | 
| Depreciation | 655 | 445 | 1,298 | 877 | 
| Amortization | $ 939 | $ 496 | $ 1,877 | $ 992 | 
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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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