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Income Taxes: Net Operating Loss and and Tax Credit Carryforwards (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($)
Internal Revenue Service (IRS) |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | $ 330,085,000
Operating Loss Carryforwards, With no Expiration Date | 584,161,000
State and Local Jurisdiction |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | 408,269,000
Tax Credit Carryforward | 22,817,000
State and Local Jurisdiction | Valuation Allowance, Operating Loss Carryforwards |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards Valuation Allowance | 1,100,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 0
State and Local Jurisdiction | Valuation Allowance, Income Tax Credit Carryforwards |
Operating Loss Carryforwards [Line Items] |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 800,000
Income Tax Credit carryforward, valuation allowance | 14,000,000
Valuation allowance, increase to tax expense | 600,000
Remaining tax expense related to increase in valuation allowance | $ 200,000

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
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