Significant Accounting Policies - Income Taxes - Intra-Entity Transfers of Assets Other than Inventory (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax expense (benefit)	$ (19,346)	$ (75,394)	$ 57,285