Long-Term Indebtedness - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Summary of Long-term debt
Net discount	$ (6,002)	$ (6,535)
Deferred financing costs	(13,694)	(14,581)
Total debt	2,263,794	2,274,884
Less current portion	(8,000)	(8,000)
Less short-term borrowings	(40,000)
Total long-term debt	2,215,794	2,266,884
Second Amended and Restated Term Loan B
Summary of Long-term debt
Long-term debt	794,000	796,000
Second Amended and Restated Revolving Loan
Summary of Long-term debt
Long-term debt	40,000
Credit Facility 2015 Revolving Loan
Summary of Long-term debt
Long-term line of credit		0
Senior Unsecured 2024 Notes
Summary of Long-term debt
Long-term debt	949,490	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	$ 1,952,400	$ 2,348,900

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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