Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 72,156	$ 49,649	$ 189,483	$ 194,074
Other comprehensive income (loss):
Income (loss) on interest rate swaps	19,425	(2,773)	26,405	(20,775)
Other comprehensive income (loss)	19,425	(2,773)	26,405	(20,775)
Comprehensive income	91,581	46,876	215,888	173,299
Income attributable to noncontrolling interest	(1,447)	(1,013)	(3,858)	(4,035)
Other comprehensive (income) loss attributable to noncontrolling interest	(395)	55	(538)	432
Comprehensive income attributable to STAG Industrial, Inc.	$ 89,739	$ 45,918	$ 211,492	$ 169,696

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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