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Life and Annuity Benefits (Tables)
 6 Months Ended
Jun. 30, 2023
Liability for Future Policy Benefit, before Reinsurance [Abstract]  
Schedule of Future Policyholder Benefits, Life and Annuity [Table Text Block] The following table presents the components of the Company's liabilities for life and annuity benefits.
(dollars in thousands)June 30, 2023December 31, 2022
Liability for future policyholder benefits$549,601 $554,366 
Deferred profit liability47,122 48,569 
Other46,849 47,786 
Total$643,572 $650,721 
Liability for Future Policy Benefit, Activity [Table Text Block] The following table presents a rollforward of the present value of the liability for future policyholder benefits.
Six Months Ended June 30,
(dollars in thousands)20232022
Liability for future policyholder benefits, beginning of year$554,366 $821,632 
Liability for future policyholder benefits at original discount rate, beginning of year667,761 745,313 
Effect of changes in cash flow assumptions— — 
Effect of actual variances from expected experience— — 
Adjusted liability for future policyholder benefits, beginning of year667,761 745,313 
Interest accretion7,594 8,178 
Benefit payments(26,661)(27,801)
Effect of foreign currency rate changes6,926 (48,509)
Liability for future policyholder benefits at original discount rate, end of period655,620 677,181 
Cumulative effect of changes in discount rate assumptions(106,019)(80,505)
Liability for future policyholder benefits, end of period (1)
$549,601 $596,676 
(1)    The undiscounted liability for future policyholder benefits was $843.3 million and $874.2 million as of June 30, 2023 and 2022, respectively.
Schedule of Additional Details of Liability for Future Policyholder Benefits, Life and Annuity [Table Text Block]
The following table summarizes additional details for the Company's liability for future policyholder benefits.

June 30, 2023December 31, 2022
Weighted-average interest rate:
Interest accretion rate2.3 %2.3 %
Current discount rate4.2 %4.3 %
Weighted-average liability duration8.7 years8.6 years