Fair Value Disclosures [Text Block]: Fair Value, by Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Short-term Investments	$ 50	$ 1,050
Deposit Contracts, Liabilities	141,523	141,635
Policyholder Account Balance	11,757	10,939
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1
Short-term Investments	50	1,050
Deposit Contracts, Liabilities	0	0
Policyholder Account Balance	0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2
Short-term Investments	0	0
Deposit Contracts, Liabilities	141,539	141,662
Policyholder Account Balance	11,757	10,939
Reported Value Measurement
Short-term Investments	50	1,050
Deposit Contracts, Liabilities	141,523	141,635
Policyholder Account Balance	$ 11,757	$ 10,939