CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Common Stock Held in Reserve	Treasury Stock	Paid-in Capital	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		19,097,000	62,000
Beginning balance at Dec. 31, 2022	$ 828,835	$ 2	$ (1,996)	$ (286)	$ 449,243	$ 381,872
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	523,054					523,054
Stock compensation	3,069				3,069
Repurchase of common stock under Repurchase Program (in shares)		(457,000)
Repurchase of common stock under Repurchase Program	(33,202)			(201)	(33,001)
Stock compensation (in shares)		5,000
Common stock withheld for income taxes on share-based awards (in shares)		(2,000)
Common stock withheld for income taxes on share-based awards	(287)				(287)
Dividends on preferred stock	(1,307)					(1,307)
Ending balance (in shares) at Mar. 31, 2023		18,643,000	62,000
Ending balance at Mar. 31, 2023	1,320,162	$ 2	$ (1,996)	(487)	419,024	903,619
Beginning balance (in shares) at Dec. 31, 2022		19,097,000	62,000
Beginning balance at Dec. 31, 2022	828,835	$ 2	$ (1,996)	(286)	449,243	381,872
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 1,225,185
Conversion of preferred stock (in shares)	6,966
Ending balance (in shares) at Sep. 30, 2023		18,700,000	62,000
Ending balance at Sep. 30, 2023	$ 1,980,006	$ 2	$ (1,996)	(441)	379,102	1,603,339
Beginning balance (in shares) at Mar. 31, 2023		18,643,000	62,000
Beginning balance at Mar. 31, 2023	1,320,162	$ 2	$ (1,996)	(487)	419,024	903,619
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	93,687					93,687
Conversion of preferred stock (in shares)		431,000
Conversion of preferred stock	5,836				5,836
Stock compensation	3,834				3,834
Repurchase of common stock under Repurchase Program (in shares)		(448,000)
Repurchase of common stock under Repurchase Program	(42,630)			487	(43,117)
Stock compensation (in shares)		50,000
Common stock withheld for income taxes on share-based awards (in shares)		(18,000)
Common stock withheld for income taxes on share-based awards	(1,493)				(1,493)
Dividends on preferred stock	(1,280)				(2)	(1,278)
Ending balance (in shares) at Jun. 30, 2023		18,658,000	62,000
Ending balance at Jun. 30, 2023	1,378,116	$ 2	$ (1,996)	0	384,082	996,028
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	608,444					608,444
Conversion of preferred stock (in shares)		81,000
Conversion of preferred stock	1,130				1,130
Stock compensation	3,521				3,521
Repurchase of common stock under Repurchase Program (in shares)		(72,000)
Repurchase of common stock under Repurchase Program	(8,661)			(441)	(8,220)
Stock compensation (in shares)		47,000
Common stock withheld for income taxes on share-based awards (in shares)		(14,000)
Common stock withheld for income taxes on share-based awards	(1,411)				(1,411)
Dividends on preferred stock	(1,133)					(1,133)
Ending balance (in shares) at Sep. 30, 2023		18,700,000	62,000
Ending balance at Sep. 30, 2023	$ 1,980,006	$ 2	$ (1,996)	(441)	379,102	1,603,339
Beginning balance (in shares) at Dec. 31, 2023	18,300,000	18,288,000	62,000
Beginning balance at Dec. 31, 2023	$ 2,161,680	$ 2	$ (1,996)	0	315,726	1,847,948
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	52,035					52,035
Conversion of preferred stock (in shares)		1,000
Conversion of preferred stock	11				11
Stock compensation	3,587				3,587
Repurchase of common stock under Repurchase Program (in shares)		(210,000)
Repurchase of common stock under Repurchase Program	(29,788)				(29,788)
Stock compensation (in shares)		18,000
Common stock withheld for income taxes on share-based awards (in shares)		(8,000)
Common stock withheld for income taxes on share-based awards	(1,086)				(1,086)
Issuance of common stock held in reserve (in shares)			62,000
Issuance of common stock held in reserve	1,996		$ 1,996
Dividends on preferred stock	(1,105)					(1,105)
Ending balance (in shares) at Mar. 31, 2024		18,089,000	0
Ending balance at Mar. 31, 2024	$ 2,187,330	$ 2	$ 0	0	288,450	1,898,878
Beginning balance (in shares) at Dec. 31, 2023	18,300,000	18,288,000	62,000
Beginning balance at Dec. 31, 2023	$ 2,161,680	$ 2	$ (1,996)	0	315,726	1,847,948
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 11,856
Conversion of preferred stock (in shares)	469
Ending balance (in shares) at Sep. 30, 2024	17,800,000	17,825,000	0
Ending balance at Sep. 30, 2024	$ 2,056,240	$ 2	$ 0	(469)	200,196	1,856,511
Beginning balance (in shares) at Mar. 31, 2024		18,089,000	0
Beginning balance at Mar. 31, 2024	2,187,330	$ 2	$ 0	0	288,450	1,898,878
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(26,212)					(26,212)
Conversion of preferred stock (in shares)		30,000
Conversion of preferred stock	415				415
Stock compensation	4,990				4,990
Repurchase of common stock under Repurchase Program (in shares)		(156,000)
Repurchase of common stock under Repurchase Program	(25,017)			(698)	(24,319)
Stock compensation (in shares)		303,000
Common stock withheld for income taxes on share-based awards (in shares)		(129,000)
Common stock withheld for income taxes on share-based awards	(20,498)				(20,498)
Dividends on preferred stock	(1,095)					(1,095)
Ending balance (in shares) at Jun. 30, 2024		18,137,000	0
Ending balance at Jun. 30, 2024	2,119,913	$ 2	$ 0	(698)	249,038	1,871,571
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(13,967)					(13,967)
Conversion of preferred stock (in shares)		3,000
Conversion of preferred stock	43				43
Stock compensation	3,975				3,975
Repurchase of common stock under Repurchase Program (in shares)		(343,000)
Repurchase of common stock under Repurchase Program	(50,609)			229	(50,838)
Stock compensation (in shares)		41,000
Common stock withheld for income taxes on share-based awards (in shares)		(13,000)
Common stock withheld for income taxes on share-based awards	(2,022)				(2,022)
Dividends on preferred stock	$ (1,093)					(1,093)
Ending balance (in shares) at Sep. 30, 2024	17,800,000	17,825,000	0
Ending balance at Sep. 30, 2024	$ 2,056,240	$ 2	$ 0	$ (469)	$ 200,196	$ 1,856,511