Debt - Scheduled Principal Repayments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
2022	$ 757,199
2023	110,541
2024	212,020
2025	178,236
2026	445,967
Thereafter	115,775
Long-term debt and convertible notes payable	1,819,738	$ 1,713,274
Unamortized Premium	446	548
Net unamortized debt issuance costs	(7,946)	(5,978)
Total Indebtedness	$ 1,812,238	$ 1,707,844

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