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Consolidated 50% Owned Subsidiaries - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
entity
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Noncontrolling Interest [Line Items]      
Ownership interest in subsidiaries 50.00%    
Number of entities | entity 2    
Members’ interest subject to mandatory redemption $ 40,000   $ 40,000
Total disability insurance policies, per policy amount 20,000    
Myers      
Noncontrolling Interest [Line Items]      
Net accumulated earnings 1,800 $ 1,700  
Variable Interest Entity, Primary Beneficiary | Myers      
Noncontrolling Interest [Line Items]      
Members’ interest subject to mandatory redemption $ 20,000