Future Policy Benefits - Range of Crediting Rates for Policyholders' Account Balances Compared to the Guaranteed Minimum Crediting Rates (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025	[1]	Mar. 31, 2025
Future Policy Benefits [Abstract]
Policyholder account balances	$ 91,720,214	$ 92,921,066		$ 94,582,639
Less than 2.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	749,191			756,197
2.00% to 2.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	195,584			223,603
3.00% to 3.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	5,328,031			5,374,493
Greater than 4.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	85,447,408			88,228,346
At Guaranteed Minimum [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	73,636,519			76,582,641
At Guaranteed Minimum [Member] | Less than 2.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	749,191			756,197
At Guaranteed Minimum [Member] | 2.00% to 2.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	195,584			223,603
At Guaranteed Minimum [Member] | 3.00% to 3.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	5,328,031			5,374,493
At Guaranteed Minimum [Member] | Greater than 4.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	67,363,713			70,228,348
1 Basis Point to 50 Basis Points Above Guaranteed Minimum [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	215,159			210,071
1 Basis Point to 50 Basis Points Above Guaranteed Minimum [Member] | Less than 2.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
1 Basis Point to 50 Basis Points Above Guaranteed Minimum [Member] | 2.00% to 2.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
1 Basis Point to 50 Basis Points Above Guaranteed Minimum [Member] | 3.00% to 3.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
1 Basis Point to 50 Basis Points Above Guaranteed Minimum [Member] | Greater than 4.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	215,159			210,071
51 Basis Point to 150 Basis Points Above Guaranteed Minimum [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	17,868,536			17,789,927
51 Basis Point to 150 Basis Points Above Guaranteed Minimum [Member] | Less than 2.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
51 Basis Point to 150 Basis Points Above Guaranteed Minimum [Member] | 2.00% to 2.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
51 Basis Point to 150 Basis Points Above Guaranteed Minimum [Member] | 3.00% to 3.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
51 Basis Point to 150 Basis Points Above Guaranteed Minimum [Member] | Greater than 4.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	17,868,536			17,789,927
Greater Than 150 Basis Points Above Guaranteed Minimum [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
Greater Than 150 Basis Points Above Guaranteed Minimum [Member] | Less than 2.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
Greater Than 150 Basis Points Above Guaranteed Minimum [Member] | 2.00% to 2.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
Greater Than 150 Basis Points Above Guaranteed Minimum [Member] | 3.00% to 3.99% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	0			0
Greater Than 150 Basis Points Above Guaranteed Minimum [Member] | Greater than 4.00% [Member]
Future Policy Benefits [Abstract]
Policyholder account balances	$ 0			$ 0

[1] Balance sheet audited at December 31, 2025.