Condensed Consolidated Statement Of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2023	$ 1,355,036	$ 287	$ 245,659	$ 1,177,034	$ 14,272	$ (82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	36,545			36,545
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(9,040)	1	(9,041)
Stock-based compensation expense	4,327		4,327
Other comprehensive income (loss)	(3,263)				(3,263)
Cash dividends	(26,721)			(26,721)
Dividend equivalents on stock-based awards	0		569	(569)
Ending balance at Mar. 31, 2024	1,356,884	288	241,514	1,186,289	11,009	(82,216)
Beginning balance at Dec. 31, 2023	1,355,036	287	245,659	1,177,034	14,272	(82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	133,320
Ending balance at Sep. 30, 2024	1,418,322	288	252,208	1,228,454	19,588	(82,216)
Beginning balance at Mar. 31, 2024	1,356,884	288	241,514	1,186,289	11,009	(82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	61,163			61,163
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(71)		(71)
Stock-based compensation expense	4,974		4,974
Other comprehensive income (loss)	(1,803)				(1,803)
Cash dividends	(26,734)			(26,734)
Dividend equivalents on stock-based awards	0		567	(567)
Ending balance at Jun. 30, 2024	1,394,413	288	246,984	1,220,151	9,206	(82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,612			35,612
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(8)	0	(8)
Stock-based compensation expense	4,659		4,659
Other comprehensive income (loss)	10,382				10,382
Cash dividends	(26,736)			(26,736)
Dividend equivalents on stock-based awards	0		573	(573)
Ending balance at Sep. 30, 2024	1,418,322	288	252,208	1,228,454	19,588	(82,216)
Beginning balance at Dec. 31, 2024	1,386,886	288	257,486	1,208,096	3,232	(82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	49,438			49,438
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(4,813)	1	(4,814)
Stock-based compensation expense	4,933		4,933
Purchase of convertible note hedge contracts, net of tax	(51,382)		(51,382)
Issuance of warrants	27,600		27,600
Partial unwind of convertible note hedge and warrants	1,378		1,378
Repurchase of 308,898 shares of common stock, including excise tax	(28,404)					(28,404)
Other comprehensive income (loss)	10,429				10,429
Cash dividends	(29,352)			(29,352)
Dividend equivalents on stock-based awards	0		655	(655)
Ending balance at Mar. 31, 2025	$ 1,366,713	289	235,856	1,227,527	13,661	(110,620)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of share (in shares)	308,898
Beginning balance at Dec. 31, 2024	$ 1,386,886	288	257,486	1,208,096	3,232	(82,216)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	169,566
Ending balance at Sep. 30, 2025	1,361,678	289	248,687	1,289,467	35,149	(211,914)
Beginning balance at Mar. 31, 2025	1,366,713	289	235,856	1,227,527	13,661	(110,620)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	57,635			57,635
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(45)		(45)
Stock-based compensation expense	6,016		6,016
Repurchase of 308,898 shares of common stock, including excise tax	(38,451)					(38,451)
Other comprehensive income (loss)	22,268				22,268
Cash dividends	(29,036)			(29,036)
Dividend equivalents on stock-based awards	0		663	(663)
Ending balance at Jun. 30, 2025	$ 1,385,100	289	242,490	1,255,463	35,929	(149,071)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of share (in shares)	424,132
Net income	$ 62,493
Issuance of shares of common stock pursuant to stock-based awards, net of shares tendered for payment of taxes	(384)		(384)
Stock-based compensation expense	5,919		5,919
Repurchase of 308,898 shares of common stock, including excise tax	(62,843)					(62,843)
Other comprehensive income (loss)	(780)				(780)
Cash dividends	(27,827)			(27,827)
Dividend equivalents on stock-based awards	0		662	(662)
Ending balance at Sep. 30, 2025	$ 1,361,678	$ 289	$ 248,687	$ 1,289,467	$ 35,149	$ (211,914)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of share (in shares)	633,535

LCI INDUSTRIES 10-Q