Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings
Beginning balance at Dec. 31, 2020	$ 905,073	$ 72	$ 850,430	$ 54,571
Beginning balance, shares at Dec. 31, 2020		72,459,255
Net income	1,070			1,070
Share-based compensation	40,104		40,104
Issuance of common stock - vesting of restricted stock units	1	$ 1
Issuance of common stock - vesting of restricted stock units, shares		81,409
Ending balance at Jun. 30, 2021	946,248	$ 73	890,534	55,641
Ending balance, shares at Jun. 30, 2021		72,540,664
Beginning balance at Mar. 31, 2021	929,585	$ 72	883,858	45,655
Beginning balance, shares at Mar. 31, 2021		72,459,255
Net income	9,986			9,986
Share-based compensation	6,676		6,676
Issuance of common stock - vesting of restricted stock units	1	$ 1
Issuance of common stock - vesting of restricted stock units, shares		81,409
Ending balance at Jun. 30, 2021	946,248	$ 73	890,534	55,641
Ending balance, shares at Jun. 30, 2021		72,540,664
Beginning balance at Dec. 31, 2021	1,009,386	$ 74	929,070	80,242
Beginning balance, shares at Dec. 31, 2021		73,562,717
Net income	47,559			47,559
Share-based compensation	6,173		6,173
Issuance of common stock - vesting of restricted stock units, shares		182,176
Exercise of stock options, shares		221
Ending balance at Jun. 30, 2022	1,063,118	$ 74	935,243	127,801
Ending balance, shares at Jun. 30, 2022		73,745,114
Beginning balance at Mar. 31, 2022	1,034,747	$ 74	932,212	102,461
Beginning balance, shares at Mar. 31, 2022		73,594,027
Net income	25,340			25,340
Share-based compensation	3,031		3,031
Issuance of common stock - vesting of restricted stock units, shares		151,087
Ending balance at Jun. 30, 2022	$ 1,063,118	$ 74	$ 935,243	$ 127,801
Ending balance, shares at Jun. 30, 2022		73,745,114