Subsequent Events (Details) - Subsequent Event	Nov. 05, 2019 item
Subsequent Event [Line Items]
Number of accounts established to hold assets	2
SDA | MYGA
Subsequent Event [Line Items]
Ceded percentage of certain liabilities	5.00%
SDA | FIA
Subsequent Event [Line Items]
Ceded percentage of certain liabilities through current fiscal year	95.00%
Ceded percentage of certain liabilities after current fiscal year	30.00%