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Debt - Senior Unsecured Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total Principal	$ 1,862,428
Long-term Debt, Total	1,853,777
Senior Unsecured Debt [Member]
Total Principal	1,510,000	$ 1,510,000
Unamortized debt issuance costs and original issue discount	(14,350)	(14,800)
Long-term Debt, Total	1,495,650	1,495,200
Senior Unsecured Debt [Member] | 2025 Senior Unsecured Notes [Member]
Total Principal	50,000	50,000
Senior Unsecured Debt [Member] | 2027 Senior Unsecured Notes [Member]
Total Principal	50,000	50,000
Senior Unsecured Debt [Member] | 2028 Senior Unsecured Public Notes [Member]
Total Principal	350,000	350,000
Senior Unsecured Debt [Member] | 2028 Senior Unsecured Notes [Member]
Total Principal	60,000	60,000
Senior Unsecured Debt [Member] | 2029 Senior Unsecured Notes [Member]
Total Principal	100,000	100,000
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Notes [Member]
Total Principal	125,000	125,000
Senior Unsecured Debt [Member] | 2030 Senior Unsecured Public Notes [Member]
Total Principal	350,000	350,000
Senior Unsecured Debt [Member] | 2031 Senior Unsecured Notes [Member]
Total Principal	125,000	125,000
Senior Unsecured Debt [Member] | 2033 Senior Unsecured Public Notes [Member]
Total Principal	$ 300,000	$ 300,000

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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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