Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common stock	Retained Earnings
Shareholders' equity, beginning balance at Dec. 31, 2020		$ 98,970	$ 1,933,627
Proceeds of stock options exercised		215
Share-based compensation expense		141
Withholding tax on stock options exercised		(383)
Net income (loss)	$ 247,937		247,937
Dividends paid to shareholders			(140,226)
Shareholders' equity, ending balance at Dec. 31, 2021	2,140,281	98,943	2,041,338
Proceeds of stock options exercised		0
Share-based compensation expense		15
Withholding tax on stock options exercised		(11)
Net income (loss)	(512,672)		(512,672)
Dividends paid to shareholders			(105,482)
Shareholders' equity, ending balance at Dec. 31, 2022	1,522,131	98,947	1,423,184
Proceeds of stock options exercised		0
Share-based compensation expense		0
Withholding tax on stock options exercised		0
Net income (loss)	96,336		96,336
Dividends paid to shareholders			(70,322)
Shareholders' equity, ending balance at Dec. 31, 2023	$ 1,548,145	$ 98,947	$ 1,449,198