Supplemental Disclosure of Consolidated Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]
Cash		$ 81,709		$ 25,206
Restricted cash		681		302
Total cash and restricted cash shown in the Consolidated Balance Sheets and Consolidated Statements of Cash Flows	$ 7,616	82,390	$ 7,616	$ 25,508	$ 11,906
Interest		8,247	6,440
Income taxes		$ (617)	78
Transfer of investments and policy loans	2,100,000
Reinsurance block of in-force fixed and variable annuity business	$ 2,900,000		$ 2,900,000