Financial Instruments and Fair Values - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Aug. 22, 2022	May 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps liability	$ 0		$ 0				$ (25,308,000)
Unsecured term loan facility | Term Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of debt bearing fixed interest					100.00%
Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional value						$ 390,000,000
Notional amount of expiring derivative						$ 265,000,000
Interest rate swap | Designated as hedging instrument | Cash flow hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional value	576,300,000		576,300,000				451,300,000
Interest rate swaps liability							$ (25,300,000)
Interest rate swap agreement asset	18,500,000		18,500,000
Net unrealized gain (loss)	$ 21,000,000	$ 2,800,000	46,800,000	$ 8,500,000
Net loss to be reclassified into interest expense within the next 12 months			$ 3,300,000