Condensed Consolidated Statements of Changes in Stockholder's Equity - USD ($) $ in Thousands	Total	Cumulative effect of adoption of ASU 2020-06	Balance, January 1, 2022	Common Stock	Common Stock Balance, January 1, 2022	Additional  Paid-in Capital	Additional  Paid-in Capital Cumulative effect of adoption of ASU 2020-06	Additional  Paid-in Capital Balance, January 1, 2022	Accumulated Other Comprehensive Earnings (Loss)	Accumulated Other Comprehensive Earnings (Loss) Balance, January 1, 2022	Retained Earnings	Retained Earnings Cumulative effect of adoption of ASU 2020-06	Retained Earnings Balance, January 1, 2022
Balance (in shares) at Dec. 31, 2020				52,868,482
Balance at Dec. 31, 2020	$ 744,858			$ 53		$ 409,332			$ 8,975		$ 326,498
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,371					4,371
Issuance of common stock in connection with the Company’s equity award plans (in shares)				125,655
Issuance of common stock in connection with the Company’s equity award plans	2,247					2,247
Net earnings	5,694										5,694
Unrealized loss on marketable securities, net of tax	(2,726)								(2,726)
Balance (in shares) at Mar. 31, 2021				52,994,137
Balance at Mar. 31, 2021	754,444			$ 53		415,950			6,249		332,192
Balance (in shares) at Dec. 31, 2020				52,868,482
Balance at Dec. 31, 2020	744,858			$ 53		409,332			8,975		326,498
Increase (Decrease) in Stockholders' Equity
Net earnings	50,982
Unrealized loss on marketable securities, net of tax	(4,766)
Balance (in shares) at Sep. 30, 2021				53,180,643
Balance at Sep. 30, 2021	810,468			$ 53		428,726			4,209		377,480
Balance (in shares) at Mar. 31, 2021				52,994,137
Balance at Mar. 31, 2021	754,444			$ 53		415,950			6,249		332,192
Increase (Decrease) in Stockholders' Equity
Share-based compensation	5,476					5,476
Issuance of common stock in connection with the Company’s equity award plans (in shares)				150,622
Issuance of common stock in connection with the Company’s equity award plans	2,749					2,749
Net earnings	23,726										23,726
Unrealized loss on marketable securities, net of tax	(816)								(816)
Balance (in shares) at Jun. 30, 2021				53,144,759
Balance at Jun. 30, 2021	785,579			$ 53		424,175			5,433		355,918
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,027					4,027
Issuance of common stock in connection with the Company’s equity award plans (in shares)				35,884
Issuance of common stock in connection with the Company’s equity award plans	524					524
Net earnings	21,562										21,562
Unrealized loss on marketable securities, net of tax	(1,224)								(1,224)
Balance (in shares) at Sep. 30, 2021				53,180,643
Balance at Sep. 30, 2021	810,468			$ 53		428,726			4,209		377,480
Balance (in shares) at Dec. 31, 2021				53,256,094	53,256,094
Balance at Dec. 31, 2021	815,851	$ (15,600)	$ 800,251	$ 53	$ 53	434,337	$ (56,212)	$ 378,125	1,539	$ 1,539	379,922	$ 40,612	$ 420,534
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,025					4,025
Issuance of common stock in connection with the Company’s equity award plans (in shares)				130,211
Issuance of common stock in connection with the Company’s equity award plans	866					866
Net earnings	25,616										25,616
Unrealized loss on marketable securities, net of tax	(2,312)								(2,312)
Balance (in shares) at Mar. 31, 2022				53,386,305
Balance at Mar. 31, 2022	$ 828,446			$ 53		383,016			(773)		446,150
Increase (Decrease) in Stockholders' Equity
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06
Balance (in shares) at Dec. 31, 2021				53,256,094	53,256,094
Balance at Dec. 31, 2021	$ 815,851	$ (15,600)	$ 800,251	$ 53	$ 53	434,337	$ (56,212)	$ 378,125	1,539	$ 1,539	379,922	$ 40,612	$ 420,534
Increase (Decrease) in Stockholders' Equity
Net earnings	35,230
Unrealized loss on marketable securities, net of tax	(5,585)
Balance (in shares) at Sep. 30, 2022				54,053,513
Balance at Sep. 30, 2022	852,798			$ 54		401,026			(4,046)		455,764
Balance (in shares) at Mar. 31, 2022				53,386,305
Balance at Mar. 31, 2022	828,446			$ 53		383,016			(773)		446,150
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,297					4,297
Issuance of common stock in connection with the Company’s equity award plans (in shares)				106,081
Issuance of common stock in connection with the Company’s equity award plans	2,273					2,273
Net earnings	7,865										7,865
Unrealized loss on marketable securities, net of tax	(1,447)								(1,447)
Balance (in shares) at Jun. 30, 2022				53,492,386
Balance at Jun. 30, 2022	841,434			$ 53		389,586			(2,220)		454,015
Increase (Decrease) in Stockholders' Equity
Share-based compensation	4,985					4,985
Issuance of common stock in connection with the Company’s equity award plans (in shares)				561,127
Issuance of common stock in connection with the Company’s equity award plans	6,456			$ 1		6,455
Net earnings	1,749										1,749
Unrealized loss on marketable securities, net of tax	(1,826)								(1,826)
Balance (in shares) at Sep. 30, 2022				54,053,513
Balance at Sep. 30, 2022	$ 852,798			$ 54		$ 401,026			$ (4,046)		$ 455,764