CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Product revenues, net	$ 205,449	$ 209,361	$ 188,000	$ 177,757	$ 181,949	$ 159,301	$ 145,276	$ 144,923	$ 780,567	$ 631,449	$ 566,767
Cost of product revenues
Cost of product revenues (excluding intangible asset amortization)	21,598	24,717	24,143	24,960	28,190	21,706	19,955	18,950	95,418	88,801	94,838
Intangible asset amortization									221,892	165,304	145,760
Total cost of product revenues	77,071	80,190	79,616	80,433	83,661	62,507	54,470	53,467	317,310	254,105	240,598
Gross profit	128,378	129,171	108,384	97,324	98,288	96,794	90,806	91,456	463,257	377,344	326,169
Operating expenses
Selling, general and administrative	67,640	67,103	73,637	76,423	63,091	61,955	43,335	41,982	284,803	210,363	159,208
Gain on fair value remeasurement of contingent consideration	(19)	(19)	(358)	(786)	(2,914)	0	0	0	(1,182)	(2,914)	0
Total operating expenses	67,621	67,084	73,279	75,637	60,177	61,955	43,335	41,982	283,621	207,449	159,208
Income from operations	60,757	62,087	35,105	21,687	38,111	34,839	47,471	49,474	179,636	169,895	166,961
Interest expense	(19,292)	(21,767)	(20,463)	(20,790)	(22,654)	(18,394)	(15,587)	(17,339)	(82,312)	(73,974)	(83,339)
Interest income	3,565	3,116	2,383	2,225	1,812	3,280	4,397	4,487	11,289	13,976	15,615
Loss on extinguishment of debt	(15,994)	0	0	0	0	(4,145)	(7,184)	0	(15,994)	(11,329)	(23,504)
Income before income taxes	29,036	43,436	17,025	3,122	17,269	15,580	29,097	36,622	92,619	98,568	75,733
Provision for income taxes	12,073	11,929	5,042	705	4,733	6,245	9,491	8,909	29,749	29,378	27,578
Net income	$ 16,963	$ 31,507	$ 11,983	$ 2,417	$ 12,536	$ 9,335	$ 19,606	$ 27,713	$ 62,870	$ 69,190	$ 48,155
Earnings per share - basic (in dollars per share)	$ 0.54	$ 1.00	$ 0.38	$ 0.08	$ 0.39	$ 0.29	$ 0.60	$ 0.86	$ 1.98	$ 2.14	$ 1.43
Weighted-average shares - basic (in shares)	31,652,987	31,571,410	31,810,612	31,793,739	32,078,621	32,259,468	32,433,025	32,326,589	31,706,429	32,273,850	33,741,213
Earnings per share - diluted (in dollars per share)	$ 0.46	$ 0.84	$ 0.34	$ 0.07	$ 0.36	$ 0.27	$ 0.52	$ 0.71	$ 1.73	$ 1.86	$ 1.29
Weighted-average shares - diluted (in shares)	40,076,457	39,439,890	39,075,703	32,840,153	40,109,649	40,163,266	40,383,694	41,438,466	39,701,693	40,424,180	41,788,125