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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |
Statutory tax rate, percentage | 21.00% | 21.00% | 21.00%
Deferred tax assets, net of operating losses | $ 15,100,000 |  |
Deferred tax assets, net of operating losses | 700,000 |  |
Undistributed earnings of foreign subsidiaries | 4,200,000 |  |
Lapses of applicable statute of limitations | 0 | $ 0 | $ 329,000
Capital loss carryforward | 113,800,000 |  |
Deferred tax assets, capital loss carryforwards | 27,300,000 |  |
Interest and penalties recognized | $ 0 | $ 0 | $ 0
Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statute of limitations expiration period, in years | 4 years |  |
Maximum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statute of limitations expiration period, in years | 10 years |  |
Federal |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | $ 400,000 |  |
Deferred tax assets, net of operating losses | 100,000 |  |
Deferred tax assets, capital loss carryforwards | 23,000,000 |  |
State |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | 14,300,000 |  |
Deferred tax assets, net of operating losses | 500,000 |  |
Deferred tax assets, capital loss carryforwards | 4,300,000 |  |
Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | 400,000 |  |
Deferred tax assets, net of operating losses | $ 100,000 |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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