Cover - shares	6 Months Ended
	Jun. 30, 2024	Aug. 06, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-34603
Entity Registrant Name	Terreno Realty Corporation
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	27-1262675
Entity Address, Street	10500 NE 8th Street
Entity Address, Suite	Suite 1910
Entity Address, City	Bellevue
Entity Address, State	WA
Entity Address, Postal Zip Code	98004
City Area Code	415
Local Phone Number	655-4580
Title of each class	Common Stock, $0.01 par value per share
Trading Symbol(s)	TRNO
Name of each exchange on which registered	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		96,899,826
Entity Central Index Key	0001476150
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31