SEPARATE ACCOUNTS - RECONCILIATION OF NET TRANSFERS TO OR (FROM) SEPARATE ACCOUNTS (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Insurance [Abstract]
Transfers to Separate Accounts	$ 244.4
Transfers from Separate Accounts	248.1
Net transfers to or (from) Separate Accounts	(3.7)
Transfers as Reported in the Summary of Operations of the Life, Accident & Health Statement	$ (3.7)

Amount of transfer to (from) liability for policyholder account balance (to) from liability for separate account.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_TransferToFromPolicyholderAccountBalanceToFromSeparateAccount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration