• Filing Date: 2018-05-10
  • Form Type: 10-Q
  • Description: Quarterly report
v3.8.0.1
Fair Value Measurements - Life Insurance Issuer Concentrations (Details) - Credit Concentration Risk - Moody's Rating A1 - S&P Rating AA-
3 Months Ended
Mar. 31, 2018
Transamerica Life Insurance Company | Percentage of Total Fair Value  
Concentration Risk [Line Items]  
Concentrations risk percentage 18.30%
Transamerica Life Insurance Company | Percentage of Total Death Benefit  
Concentration Risk [Line Items]  
Concentrations risk percentage 21.00%
Lincoln National Life Insurance Company | Percentage of Total Fair Value  
Concentration Risk [Line Items]  
Concentrations risk percentage 22.50%
Lincoln National Life Insurance Company | Percentage of Total Death Benefit  
Concentration Risk [Line Items]  
Concentrations risk percentage 19.60%