Revision of Prior Period Financial Statements - Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 1,933,381	$ 1,821,880	$ 1,615,765	$ 1,525,058	$ 1,447,027	$ 1,405,930	$ 1,270,666	$ 1,615,765	$ 1,615,765	$ 1,270,666	$ 1,270,666
Net income	67,025	41,473	133,352	57,061	61,309	11,514	45,899	174,825	241,850	118,722	175,783	$ 146,930	$ (56,339)
Ending balance	2,099,836	1,933,381	1,821,880	1,615,765	1,525,058	1,447,027	1,405,930	1,933,381	2,099,836	1,525,058	1,615,765	1,270,666
As Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,928,840	1,818,015	1,612,034	1,521,117	1,444,998	1,402,995	1,268,491	1,612,034	1,612,034	1,268,491	1,268,491
Net income		40,797	133,218	57,271	59,397	12,420	45,139	174,015		116,956	174,227	147,139	(60,018)
Ending balance		1,928,840	1,818,015	1,612,034	1,521,117	1,444,998	1,402,995	1,928,840		1,521,117	1,612,034	1,268,491
Revision
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	4,541	3,865	3,731	3,941	2,029	2,935	2,175	3,731	3,731	2,175	2,175
Net income		676	134	(210)	1,912	(906)	760	810		1,766	1,556	(209)	$ 3,679
Ending balance		4,541	3,865	3,731	3,941	2,029	2,935	4,541		3,941	3,731	2,175
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	609,805	568,332	434,980	377,919	316,610	305,096	259,197	434,980	434,980	259,197	259,197
Net income	67,025	41,473	133,352	57,061	61,309	11,514	45,899
Ending balance	676,830	609,805	568,332	434,980	377,919	316,610	305,096	609,805	676,830	377,919	434,980	259,197
Retained Earnings | As Reported
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	605,264	564,467	431,249	373,978	314,581	302,161	257,022	431,249	431,249	257,022	257,022
Net income		40,797	133,218	57,271	59,397	12,420	45,139
Ending balance		605,264	564,467	431,249	373,978	314,581	302,161	605,264		373,978	431,249	257,022
Retained Earnings | Revision
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 4,541	3,865	3,731	3,941	2,029	2,935	2,175	3,731	$ 3,731	2,175	2,175
Net income		676	134	(210)	1,912	(906)	760
Ending balance		$ 4,541	$ 3,865	$ 3,731	$ 3,941	$ 2,029	$ 2,935	$ 4,541		$ 3,941	$ 3,731	$ 2,175