Policy Liabilities and Short Duration Contracts Policy Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Insurance [Abstract]
Policy claims payable at January 1	$ 7,614	$ 8,610	$ 9,538
Reinsurance recoverable	511	367	407
Net balance policy claims payable at January 1	7,103	8,243	9,131
Claims incurred related to current year	26,816	24,793	25,036
Claims incurred related to prior years	543	(197)	(209)
Total claims incurred	27,359	24,596	24,827
Claims paid related to current year	20,629	18,933	18,037
Claims paid related to prior years	6,570	6,803	7,678
Total claims paid	27,199	25,736	25,715
Policy claims payable at December 31	8,059	7,614	8,610
Reinsurance recoverable	796	511	367
Net balance policy claims payable at December 31	$ 7,263	$ 7,103	$ 8,243