Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2011	Mar. 23, 2012	Jun. 30, 2011
Document and Entity Information
Entity Registrant Name	PROTECTIVE LIFE INSURANCE CO
Entity Central Index Key	0000310826
Document Type	10-K
Document Period End Date	Dec. 31, 2011
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 0
Entity Common Stock, Shares Outstanding		5,000,000
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY