Income Taxes - Summary of Liabilities Related to Reserve for Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Reserve for uncertain tax positions, excluding interest and penalties	$ 130,437	$ 160,248	$ 173,429
Interest and penalties included in “Other liabilities”	29,232	23,538
Reserve for uncertain tax positions, including interest and penalties	$ 159,669	$ 183,786