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
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
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