Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 04, 2022	Jun. 30, 2021
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Entity File Number	000-16509
Entity Registrant Name	CITIZENS, INC.
Entity Incorporation, State or Country Code	CO
Entity Tax Identification Number	84-0755371
Entity Address, Address Line One	11815 Alterra Pkwy, Suite 1500
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78758
City Area Code	512
Local Phone Number	837-7100
Title of 12(b) Security	Class A Common Stock
Trading Symbol	CIA
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 294,118,656
Document Fiscal Year Focus	2021
Entity Central Index Key	0000024090
Document Fiscal Period Focus	FY
Amendment Flag	false
Document Transition Report	false
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Common Stock Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		49,028,634
Common Stock Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		0