Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Mar. 07, 2024	Jun. 30, 2023
Entity Listings [Line Items]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Document Transition Report	false
Entity File Number	001-36099
Entity Registrant Name	CHERRY HILL MORTGAGE INVESTMENT CORPORATION
Entity Central Index Key	0001571776
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	46-1315605
Entity Address, Address Line One	1451 Route 34
Entity Address, Address Line Two	Suite 303
Entity Address, City or Town	Farmingdale
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07727
City Area Code	877
Local Phone Number	870 – 7005
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 129.6
Entity Common Stock, Shares Outstanding		30,019,969
Auditor Firm ID	42
Auditor Name	Ernst & Young LLP
Auditor Location	New York, NY
Common Stock [Member]
Entity Listings [Line Items]
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	CHMI
Security Exchange Name	NYSE
Series A Preferred Stock [Member]
Entity Listings [Line Items]
Title of 12(b) Security	8.20% Series A Cumulative Redeemable Preferred Stock, $0.01 par value
Trading Symbol	CHMI-PRA
Security Exchange Name	NYSE
Series B Preferred Stock [Member]
Entity Listings [Line Items]
Title of 12(b) Security	8.250% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, $0.01 par value
Trading Symbol	CHMI-PRB
Security Exchange Name	NYSE