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Debt - Summary of Debt (Details) - USD ($) $ in Thousands	May 05, 2020	Jul. 14, 2020	Jun. 30, 2020	May 06, 2020	Dec. 31, 2019
Debt
Total principal outstanding			$ 1,624,000		$ 1,487,500
Unamortized deferred financing costs			(8,759)		(9,098)
Total debt			$ 1,615,241		$ 1,478,402
Term	5 years
Revolving Credit Facility
Debt
Interest rate as of reporting date (as a percent)			1.41%		3.01%
Total principal outstanding			$ 99,000		$ 62,500
2022 Senior Unsecured Term Loan \| Senior Unsecured Term Loan
Debt
Interest rate as of reporting date (as a percent)			1.76%		2.96%
Total principal outstanding			$ 200,000		$ 200,000
Senior Unsecured Term Loan 2023 \| Senior Unsecured Term Loan
Debt
Total principal outstanding			$ 150,000		$ 150,000
2023 Senior unsecured notes \| Senior Unsecured Term Loan
Debt
Interest rate as of reporting date (as a percent)			2.86%		3.44%
2023 Senior unsecured notes \| Senior Unsecured Notes
Debt
Interest rate as of reporting date (as a percent)			4.19%		4.19%
Total principal outstanding			$ 150,000		$ 150,000
2024 Senior unsecured notes
Debt
Interest rate as of reporting date (as a percent)			3.91%		3.91%
2024 Senior unsecured notes \| Senior Unsecured Notes
Debt
Total principal outstanding			$ 175,000		$ 175,000
2025 Senior Unsecured Term Loan \| Senior Unsecured Term Loan
Debt
Interest rate as of reporting date (as a percent)			2.32%		2.81%
Total principal outstanding			$ 350,000		$ 350,000
2026 Senior unsecured notes \| Senior Unsecured Notes
Debt
Interest rate as of reporting date (as a percent)			4.52%		4.52%
Total principal outstanding			$ 200,000		$ 200,000
2027 Senior Unsecured notes
Debt
Interest rate as of reporting date (as a percent)				3.75%
Total principal outstanding		$ 50,000		$ 100,000
2027 Senior Unsecured notes \| Senior Unsecured Notes
Debt
Interest rate as of reporting date (as a percent)			3.75%
Total principal outstanding			$ 100,000
2029 Senior unsecured notes \| Senior Unsecured Notes
Debt
Interest rate as of reporting date (as a percent)			4.31%		4.31%
Total principal outstanding			$ 200,000		$ 200,000