Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 11, 2022
Document And Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Entity Registrant Name	INPOINT COMMERCIAL REAL ESTATE INCOME, INC.
Entity Central Index Key	0001690012
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity File Number	001-40833
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	32-0506267
Entity Address, Address Line One	2901 Butterfield Road
Entity Address, City or Town	Oak Brook
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60523
City Area Code	800
Local Phone Number	826-8228
Document Quarterly Report	true
Document Transition Report	false
Title of 12(b) Security	6.75% Series A Cumulative Redeemable Preferred Stock, par value $0.001
Trading Symbol	ICR PR A
Security Exchange Name	NYSE
Class P Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		8,753,988
Class T Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		299,565
Class I Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		425,843
Class A Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		747,559
Class D Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		47,638
Class S Common Stock
Document And Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		0