SIGNIFICANT ACCOUNTING POLICIES - Amortization Policy (Details)	12 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Average annual rate of return, gross (as a percent)	7.00%
Average annual rate of return, net (as a percent)	4.90%
Future annual rate of return, gross, maximum (as a percent)	15.00%
Future annual rate of return, net, maximum (as a percent)	12.90%
Future annual rate of return, gross, minimum (as a percent)	0.00%
Future annual rate of return, net, minimum (as a percent)	(2.10%)
Future annual rate of return assumption duration maximum (in years)	5 years
Assumed average investment yield excluding policy loans, high end (as a percent)	4.40%
Assumed average investment yield excluding policy loans, low end (as a percent)	4.30%