Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 503,236	$ 459,871	$ 430,376	$ 413,278	$ 372,704	$ 344,341	$ 2,082,526	$ 1,560,699	$ 1,187,143
Cost of sales	197,080	201,243	166,384	156,622	142,363	139,877	841,146	605,246	461,030
Other segment items							74,067	9,739	7,270
Adjusted gross margin							1,315,447	965,192	733,383
Selling, general and administrative	170,964	151,075	137,273	122,357	119,308	115,946	741,247	494,884	399,330
Research and development							441,593	303,719	233,810
Interest income, net							36,595	42,112	4,294
Other income (loss), net							286,369	(41,901)	98,971
Income before provision for income taxes	51,474	165,896	55,740	71,729	(13,275)	42,867	381,504	157,061	196,238
Depreciation and amortization							48,425	19,315	23,116
Provisions for inventory							17,800	5,400
Operating Segments
Segment Reporting Information [Line Items]
Net sales							2,082,526	1,560,699	1,187,143
Cost of sales							841,146	605,246	461,030
Depreciation and amortization							35,381	17,569	11,131
Stock-based compensation expense							60,089	6,595	4,607
Provisions for inventory							16,599	4,394	0
Warranty reserve expense							5,592	8,062	198
Other
Segment Reporting Information [Line Items]
Other segment items							74,067	9,739	7,270
Net sales from products
Segment Reporting Information [Line Items]
Net sales	292,763	270,424	256,439	255,055	233,688	218,820	1,221,292	964,002	797,177
Cost of sales	142,627	152,160	123,900	114,613	100,938	108,257	618,136	447,708	360,909
Net sales from products | Operating Segments
Segment Reporting Information [Line Items]
Net sales							1,221,292	964,002	797,177
Net sales from services
Segment Reporting Information [Line Items]
Net sales	210,473	189,447	173,937	158,223	139,016	125,521	861,234	596,697	389,966
Cost of sales	$ 54,453	$ 49,083	$ 42,484	$ 42,009	$ 41,425	$ 31,620	223,010	157,538	100,121
Net sales from services | Operating Segments
Segment Reporting Information [Line Items]
Net sales							861,234	596,697	389,966
TASER
Segment Reporting Information [Line Items]
Net sales							818,673	613,510	531,044
Adjusted gross margin							514,968	373,768	337,367
TASER | Operating Segments
Segment Reporting Information [Line Items]
Net sales							818,673	613,510	531,044
Cost of sales							338,642	241,977	195,239
Depreciation and amortization							18,789	12,346	7,049
Stock-based compensation expense							34,906	2,234	1,561
Provisions for inventory							4,508	3,642	0
Warranty reserve expense							4,743	7,325	53
TASER | Other
Segment Reporting Information [Line Items]
Other segment items							34,937	2,235	1,562
TASER | Net sales from products | Operating Segments
Segment Reporting Information [Line Items]
Net sales							763,761	577,610	511,057
TASER | Net sales from services | Operating Segments
Segment Reporting Information [Line Items]
Net sales							54,912	35,900	19,987
Software and Sensors
Segment Reporting Information [Line Items]
Net sales							1,263,853	947,189	656,099
Adjusted gross margin							800,479	591,424	396,016
Software and Sensors | Operating Segments
Segment Reporting Information [Line Items]
Net sales							1,263,853	947,189	656,099
Cost of sales							502,504	363,269	265,791
Depreciation and amortization							16,592	5,223	4,082
Stock-based compensation expense							25,183	4,361	3,046
Provisions for inventory							12,091	752	0
Warranty reserve expense							849	737	145
Software and Sensors | Other
Segment Reporting Information [Line Items]
Other segment items							39,130	7,504	5,708
Software and Sensors | Net sales from products | Operating Segments
Segment Reporting Information [Line Items]
Net sales							457,531	386,392	286,120
Software and Sensors | Net sales from services | Operating Segments
Segment Reporting Information [Line Items]
Net sales							$ 806,322	$ 560,797	$ 369,979