CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Total
Balance at Dec. 31, 2023	$ 5	$ 24,287	$ 3,514,311	$ 3,538,603
Balance (in shares) at Dec. 31, 2023	50,179
Changes in stockholders' equity
Net income			137,566	137,566
Stock based compensation		5,624		5,624
Stock based compensation (in shares)	836
Issuance of common stock in settlement of directors' fees		142		142
Issuance of common stock in settlement of director fees (in shares)	2
Common stock dividends			(20,817)	(20,817)
Balance at Jun. 30, 2024	$ 5	30,053	3,631,060	3,661,118
Balance (in shares) at Jun. 30, 2024	51,017
Balance at Mar. 31, 2024	$ 5	27,179	3,543,199	3,570,383
Balance (in shares) at Mar. 31, 2024	50,908
Changes in stockholders' equity
Net income			98,258	98,258
Stock based compensation		2,816		2,816
Stock based compensation (in shares)	108
Issuance of common stock in settlement of directors' fees		58		58
Issuance of common stock in settlement of director fees (in shares)	1
Common stock dividends			(10,397)	(10,397)
Balance at Jun. 30, 2024	$ 5	30,053	3,631,060	3,661,118
Balance (in shares) at Jun. 30, 2024	51,017
Balance at Dec. 31, 2024	$ 5	56,072	3,773,574	3,829,651
Balance (in shares) at Dec. 31, 2024	51,377
Changes in stockholders' equity
Net income			212,743	212,743
Stock based compensation		20,804		20,804
Stock based compensation (in shares)	294
Issuance of common stock in settlement of directors' fees		115		115
Issuance of common stock in settlement of director fees (in shares)	1
Common stock dividends			(30,813)	(30,813)
Balance at Jun. 30, 2025	$ 5	76,991	3,955,504	4,032,500
Balance (in shares) at Jun. 30, 2025	51,672
Balance at Mar. 31, 2025	$ 5	68,902	3,834,849	3,903,756
Balance (in shares) at Mar. 31, 2025	51,659
Changes in stockholders' equity
Net income			136,463	136,463
Stock based compensation		8,031		8,031
Stock based compensation (in shares)	12
Issuance of common stock in settlement of directors' fees		58		58
Issuance of common stock in settlement of director fees (in shares)	1
Common stock dividends	$ 0	0	(15,808)	(15,808)
Balance at Jun. 30, 2025	$ 5	$ 76,991	$ 3,955,504	$ 4,032,500
Balance (in shares) at Jun. 30, 2025	51,672