General form of registration statement for all companies including face-amount certificate companies

Income Tax - Summary of The Company's Estimated Loss and Tax Credit Carryforwards (Details)

v3.21.2
Income Tax - Summary of The Company's Estimated Loss and Tax Credit Carryforwards (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
General Business Tax Credit Carryforward [Member] | Tax Period 2023-2060 [Member] | Domestic Tax Authority [Member]  
Tax Credit Carryforward [Line Items]  
Tax Credit Carryforward, Amount $ 24,621
General Business Tax Credit Carryforward [Member] | Tax Period 2037-2040 [Member] | State and Local Jurisdiction [Member]  
Tax Credit Carryforward [Line Items]  
Tax Credit Carryforward, Amount 143
Capital Loss Carryforward [Member] | Tax Period 2025 [Member] | Domestic Tax Authority [Member]  
Tax Credit Carryforward [Line Items]  
Tax Credit Carryforward, Amount $ 3,368