| | 2020-06-30 | 2020-12-31 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 |
| Amortization Of Securities | | | 1593000.0 | -2632000.0 | -15561000.0 | -8599000.0 |
| Asset Impairment Charge | | | 0.0 | 1200000.0 | 10603000.0 | 28843000.0 |
| Beginning Cash Position | | | 679379000.0 | 119316000.0 | 473244000.0 | 288748000.0 |
| Capital Expenditure | | | -52508000.0 | -46443000.0 | -110401000.0 | -33604000.0 |
| Cash Flow From Continuing Financing Activities | | | 309411000.0 | -17126000.0 | -516774000.0 | -460269000.0 |
| Cash Flow From Continuing Investing Activities | | | -1219547000.0 | -371906000.0 | -366355000.0 | 128267000.0 |
| Cash Flow From Continuing Operating Activities | | | 352028000.0 | 744817000.0 | 696780000.0 | 513693000.0 |
| Change In Account Payable | | 35695000.0 | 117183000.0 | | | |
| Change In Inventory | | | -29258000.0 | -75273000.0 | -63887000.0 | 48591000.0 |
| Change In Other Current Liabilities | 4914000.0 | | 27016000.0 | 57773000.0 | 57641000.0 | 3802000.0 |
| Change In Other Working Capital | | | 78167000.0 | 122189000.0 | 117780000.0 | 98847000.0 |
| Change In Payable | | 35695000.0 | 117183000.0 | | | |
| Change In Payables And Accrued Expense | | | 117183000.0 | 133416000.0 | -22149000.0 | -85536000.0 |
| Change In Prepaid Assets | | | -26885000.0 | -68423000.0 | -59777000.0 | -134343000.0 |
| Change In Receivables | | | -151160000.0 | -107556000.0 | -12478000.0 | 211640000.0 |
| Change In Working Capital | | | 15063000.0 | 62126000.0 | 17130000.0 | 143001000.0 |
| Changes In Account Receivables | | | -151160000.0 | -107556000.0 | -12478000.0 | 211640000.0 |
| Changes In Cash | | | -558108000.0 | 355785000.0 | -186349000.0 | 181691000.0 |
| Common Stock Issuance | | 0.0 | | | | |
| Common Stock Payments | | | -500000000.0 | 0.0 | -409998000.0 | -391364000.0 |
| Deferred Income Tax | | | -31241000.0 | 3633000.0 | -43348000.0 | -58319000.0 |
| Deferred Tax | | | -31241000.0 | 3633000.0 | -43348000.0 | -58319000.0 |
| Depreciation Amortization Depletion | | | 30846000.0 | 58775000.0 | 74708000.0 | 81389000.0 |
| Depreciation And Amortization | | | 30846000.0 | 58775000.0 | 74708000.0 | 81389000.0 |
| Effect Of Exchange Rate Changes | | | -1955000.0 | -1857000.0 | 1853000.0 | -6323000.0 |
| End Cash Position | | | 119316000.0 | 473244000.0 | 288748000.0 | 464116000.0 |
| Financing Cash Flow | | | 309411000.0 | -17126000.0 | -516774000.0 | -460269000.0 |
| Free Cash Flow | | | 299520000.0 | 698374000.0 | 586379000.0 | 480089000.0 |
| Gain Loss On Investment Securities | | 44348000.0 | -6569000.0 | | | |
| Income Tax Paid Supplemental Data | | | 4823000.0 | 33168000.0 | 74706000.0 | 32660000.0 |
| Interest Paid Supplemental Data | | | 733000.0 | 455000.0 | 455000.0 | 255000.0 |
| Investing Cash Flow | | | -1219547000.0 | -371906000.0 | -366355000.0 | 128267000.0 |
| Issuance Of Capital Stock | | 0.0 | | | | |
| Issuance Of Debt | | 312420000.0 | 1188439000.0 | 0.0 | 0.0 | |
| Long Term Debt Issuance | | 312420000.0 | 1188439000.0 | 0.0 | 0.0 | |
| Long Term Debt Payments | | | -291941000.0 | 0.0 | 0.0 | -7000.0 |
| Net Business Purchase And Sale | | | -293652000.0 | -78162000.0 | -15000000.0 | 0.0 |
| Net Common Stock Issuance | | | -500000000.0 | 0.0 | -409998000.0 | -391364000.0 |
| Net Income From Continuing Operations | | | 145449000.0 | 397362000.0 | 438936000.0 | 102658000.0 |
| Net Intangibles Purchase And Sale | | 0.0 | -250000.0 | 0.0 | 0.0 | |
| Net Investment Purchase And Sale | | | -873387000.0 | -247301000.0 | -240954000.0 | 161871000.0 |
| Net Issuance Payments Of Debt | | | 896498000.0 | 0.0 | 0.0 | -7000.0 |
| Net Long Term Debt Issuance | | | 896498000.0 | 0.0 | 0.0 | -7000.0 |
| Net Other Financing Charges | | | -315371000.0 | -27496000.0 | -120646000.0 | -81586000.0 |
| Net PPEPurchase And Sale | | | -52258000.0 | -46443000.0 | -110401000.0 | -33604000.0 |
| Operating Cash Flow | | | 352028000.0 | 744817000.0 | 696780000.0 | 513693000.0 |
| Operating Gains Losses | | 47385000.0 | 49928000.0 | | | |
| Other Non Cash Items | | | 28669000.0 | 8167000.0 | 8380000.0 | 8650000.0 |
| Proceeds From Stock Option Exercised | | | 228284000.0 | 10370000.0 | 13870000.0 | 12688000.0 |
| Provisionand Write Offof Assets | | | 477000.0 | 119000.0 | 1153000.0 | 6677000.0 |
| Purchase Of Business | | | -293652000.0 | -78162000.0 | -15000000.0 | 0.0 |
| Purchase Of Intangibles | | 0.0 | -250000.0 | 0.0 | 0.0 | |
| Purchase Of Investment | | | -934956000.0 | -907430000.0 | -2081431000.0 | -1184649000.0 |
| Purchase Of PPE | | | -52258000.0 | -46443000.0 | -110401000.0 | -33604000.0 |
| Repayment Of Debt | | | -291941000.0 | 0.0 | 0.0 | -7000.0 |
| Repurchase Of Capital Stock | | | -500000000.0 | 0.0 | -409998000.0 | -391364000.0 |
| Sale Of Investment | | | 61569000.0 | 660129000.0 | 1840477000.0 | 1346520000.0 |
| Stock Based Compensation | | | 114286000.0 | 216802000.0 | 212857000.0 | 211360000.0 |
| Unrealized Gain Loss On Investment Securities | | | -3042000.0 | -735000.0 | -8078000.0 | -1967000.0 |
