Investments - Accrued Interest - Narrative (Details)	6 Months Ended
	Jun. 30, 2021
Investments Debt And Equity Securities [Abstract]
Securities, description on accrued interest	Accrued interest is recorded in accordance with the original interest schedule of the underlying security.  In the event of default, the Company’s policy is to no longer accrue interest on these securities and any remaining accrued interest will be written off. As a result, the Company has made the policy election to not record an allowance for credit losses on accrued interest.