Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Total
Balance at Dec. 31, 2021	$ 448	$ 116,312	$ (45,821)	$ 70,939
Balance (in shares) at Dec. 31, 2021	44,758,925
Issuance of common stock upon exercise of stock options	$ 2	121		123
Issuance of common stock upon exercise of stock options (in shares)	261,162
Excess tax benefits from exercise of stock options		(73)		(73)
Stock compensation expense		583		583
Net income			69,365	69,365
Balance at Jun. 30, 2022	$ 450	116,943	23,544	140,937
Balance (in shares) at Jun. 30, 2022	45,020,087
Balance at Dec. 31, 2021	$ 448	116,312	(45,821)	70,939
Balance (in shares) at Dec. 31, 2021	44,758,925
Balance at Dec. 31, 2022	$ 453	116,442	57,980	174,875
Balance (in shares) at Dec. 31, 2022	45,287,619
Balance at Mar. 31, 2022	$ 449	116,713	(16,266)	100,896
Balance (in shares) at Mar. 31, 2022	44,909,704
Issuance of common stock upon exercise of stock options	$ 1	51		52
Issuance of common stock upon exercise of stock options (in shares)	110,383
Excess tax benefits from exercise of stock options		(1)		(1)
Stock compensation expense		180		180
Net income			39,810	39,810
Balance at Jun. 30, 2022	$ 450	116,943	23,544	140,937
Balance (in shares) at Jun. 30, 2022	45,020,087
Balance at Dec. 31, 2022	$ 453	116,442	57,980	174,875
Balance (in shares) at Dec. 31, 2022	45,287,619
Issuance of common stock upon exercise of stock options	$ 1	38		39
Issuance of common stock upon exercise of stock options (in shares)	87,979
Excess tax benefits from exercise of stock options		(3)		(3)
Stock compensation expense		1,819		1,819
Net income			34,720	34,720
Balance at Jun. 30, 2023	$ 454	118,296	92,700	211,450
Balance (in shares) at Jun. 30, 2023	45,375,598
Balance at Mar. 31, 2023	$ 453	117,535	73,511	191,499
Balance (in shares) at Mar. 31, 2023	45,328,892
Issuance of common stock upon exercise of stock options	$ 1			1
Issuance of common stock upon exercise of stock options (in shares)	46,706
Excess tax benefits from exercise of stock options		(1)		(1)
Stock compensation expense		762		762
Net income			19,189	19,189
Balance at Jun. 30, 2023	$ 454	$ 118,296	$ 92,700	$ 211,450
Balance (in shares) at Jun. 30, 2023	45,375,598