Long-Term Indebtedness - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Summary of Long-term debt
Long-term debt	$ 2,296,000
Net discount	(6,535)	$ (6,792)
Deferred financing costs	(14,581)	(13,446)
Total debt	2,274,884	2,106,512
Less current portion	(8,000)	0
Less short-term borrowings	0	(43,000)
Total long-term debt	2,266,884	2,063,512
Second Amended and Restated Term Loan B
Summary of Long-term debt
Long-term debt	796,000
Second Amended and Restated Revolving Loan
Summary of Long-term debt
Long-term line of credit	0
Credit Facility 2015 Revolving Loan
Summary of Long-term debt
Long-term line of credit	0	43,000
Credit Facility 2015 - Term Loan B
Summary of Long-term debt
Long-term line of credit		583,750
Senior Unsecured 2024 Notes
Summary of Long-term debt
Long-term debt	1,000,000	1,000,000
Senior Unsecured 2027 Notes
Summary of Long-term debt
Long-term debt	500,000	500,000
Estimate of Fair Value Measurement
Summary of Long-term debt
Total long-term debt	$ 2,348,900	$ 2,012,400

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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