Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earning/ (Accumulated Deficit)
Balance at Dec. 31, 2020	$ 547,801	$ 82	$ 612,879	$ (65,160)
Balance, shares at Dec. 31, 2020		82,436,937
Issuance of common stock upon exercise of stock options	471	$ 1	470
Issuance of common stock upon exercise of stock options, shares		300,000
Stock-based compensation expense	7,273		7,273
Net income (loss)	30,713			30,713
Balance at Mar. 31, 2021	586,258	$ 83	620,622	(34,447)
Balance, shares at Mar. 31, 2021		82,736,937
Balance at Dec. 31, 2021	710,077	$ 83	653,964	56,030
Balance, shares at Dec. 31, 2021		83,102,730
Issuance of common stock upon exercise of stock options	223		223
Issuance of common stock upon exercise of stock options, shares		154,861
Stock-based compensation expense	11,661		11,661
Net income (loss)	(42,077)			(42,077)
Balance at Mar. 31, 2022	$ 679,884	$ 83	$ 665,848	$ 13,953
Balance, shares at Mar. 31, 2022		83,257,591