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Stock Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands	1 Months Ended				12 Months Ended
	May 31, 2021 shares	May 31, 2020 shares	Apr. 30, 2019 shares	Jul. 31, 2009	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2016	Dec. 31, 2015	Aug. 31, 2021 $ / shares	Jul. 31, 2021 USD ($) $ / shares shares	Aug. 31, 2020 $ / shares	Jul. 31, 2020 USD ($) $ / shares shares	Aug. 31, 2019 $ / shares	Jul. 31, 2019 USD ($) $ / shares shares	May 01, 2019 shares	Dec. 31, 2018 shares	Dec. 31, 2010 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental increases in average stock price from initial grant price					20.00%
Share-based compensation arrangement by share-based payment award, award requisite service period				20 years	15 years
Attainment age of stock plan					attainment of age 64
Share-based compensation arrangement by share-based payment award, options, grants in period, gross					10,192,982
Share based compensation arrangement by share based payment award equity instruments other than options awarded shares outstanding number					839,842
Share based compensation arrangement by share based payment award equity instruments other than options distributed shares outstanding number					9,353,140
Share-based compensation, shares authorized under stock option plans, exercise price range, lower range limit \| $ / shares					$ 8.30
Share-based compensation, shares authorized under stock option plans, exercise price range, upper range limit \| $ / shares					$ 10.31
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value \| $					$ 2,300	$ 5,000	$ 3,500
Number of shares authorized					34,000,000													28,800,000
Maximum employee subscription rate					10.00%
Compensation cost not yet recognized \| $					$ 135,100
Compensation cost not yet recognized, period for recognition					3 years 4 months 9 days
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant					4,527,511
Threshold period worked per week by employees					20
Allotted value maximum \| $					$ 25,000
Subscription period beginning					August 1st
Subscription period ending					July 31st
Purchase price of common stock, percentage					85.00%
Percentage of market price					15.00%
Value of one year stock option percentage					85.00%
Estimated fair value per share option \| $ / shares										$ 11.60		$ 12.43		$ 7.46
Stock awarded											850,956		962,131		976,303
Shares issued aggregate purchase value \| $											$ 32,900		$ 29,300		$ 24,000
Shares issued aggregate purchase price per share \| $ / shares											$ 38.70		$ 30.51		$ 24.63
Shares held in employee stock option plan, suspense shares					354,911	381,371	419,446
Cash received from proceeds by participants \| $					$ 16,400	$ 14,800	$ 12,800
2019 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of stock reserved for issuance under stock incentive plans																2,283,475
Number of shares available for grant					7,569,607											6,957,897
2010 SIP and 2019 SIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options awarded shares outstanding number					5,025,561	6,919,847	8,070,576										6,595,319
2010 SIP and 2019 SIP \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock vesting period					5 years
Performance measurement period					3 years
Percentage of payout								0.00%	0.00%
2010 SIP and 2019 SIP \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock vesting period					10 years
Performance measurement period					5 years
Percentage of payout								200.00%	100.00%
2010 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued to directors shares	16,857	16,490	27,885