Derivative Instruments - Notional Amounts (Details) € in Thousands, £ in Thousands	3 Months Ended
	Jun. 30, 2022 GBP (£) MT	Mar. 31, 2022 MT	Jun. 30, 2022 EUR (€)	Dec. 31, 2021 GBP (£)	Dec. 31, 2021 EUR (€)
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Derivative, Nonmonetary Notional Amount, Mass | MT	10,500,000	0
Foreign currency exchange forward contracts
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Derivative, Notional Amount	£ 19,102		€ 4,050	£ 57,500	€ 11,000
Foreign currency purchased option contracts
Notional amounts of outstanding derivatives instruments designated as cash flow hedges
Derivative, Notional Amount | £	£ 0			£ 7,275