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Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2021	May 28, 2021	May 17, 2021	Dec. 31, 2020	Apr. 29, 2020	Jun. 13, 2016
Debt Instrument [Line Items]
Total borrowings	$ 1,200,147			$ 1,050,215
Other borrowings	147			215
Less current portion	41			88
Less deferred debt issuance costs	8,855			4,824
Less unaccreted debt discount	1,423			949
Total long-term borrowings	$ 1,189,828			$ 1,044,354
Senior Notes \| 4.20% Senior Notes, due December 2021
Debt Instrument [Line Items]
Stated interest rate	4.20%			4.20%
Total borrowings	$ 0			$ 350,000
Senior Notes \| 3.20% Senior Notes, due June 2023
Debt Instrument [Line Items]
Stated interest rate	3.20%			3.20%		3.20%
Total borrowings	$ 100,000			$ 100,000
Senior Notes \| 3.37% Senior Notes, due June 2025
Debt Instrument [Line Items]
Stated interest rate	3.37%			3.37%		3.37%
Total borrowings	$ 100,000			$ 100,000
Senior Notes \| 3.00% Senior Notes, due May 2030
Debt Instrument [Line Items]
Stated interest rate	3.00%				3.00%
Total borrowings	$ 500,000			500,000
Less unaccreted debt discount					$ 900
Senior Notes \| 2.625% Senior Notes, due June 2031
Debt Instrument [Line Items]
Stated interest rate	2.625%		2.625%
Total borrowings	$ 500,000			$ 0
Less unaccreted debt discount		$ 600