Derivatives - Gain (Loss) in Statement of Finacial Position (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ (1,486,000)	$ (1,467,000)	$ 2,725,000
Foreign exchange forward | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	(557,000)	(2,129,000)
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(1,260,000)	(1,407,000)
Amount of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)	0	0
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	(1,553,000)	703,000
Not Designated as Hedging Instrument | Foreign exchange forward
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ (1,553,000)	$ 703,000