Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Provision (benefit) for income taxes:
Federal—current	$ (10,424)	$ 7,262	$ 703
Federal—deferred	8,834	(3,356)	(4,162)
State—current	2,956	3,943	918
State—deferred	(625)	(1,126)	627
Foreign—current	50,063	49,350	45,371
Foreign—deferred	(21,195)	3,858	(704)
Provision (Benefit) for Income Taxes	29,609	59,931	42,753
Changes in income taxes resulting from:
Computed "expected” tax provision	78,268	68,910	86,165
Tax adjustment relating to REIT	(60,378)	(40,577)	(35,165)
State taxes (net of federal tax benefit)	2,258	2,115	1,599
(Decrease) increase in valuation allowance (net operating losses)	(8,337)	6,211	3,568
(Reversal) reserve accrual and audit settlements (net of federal tax benefit)	(7,409)	514	(13,985)
Foreign tax rate differential	9,472	8,562	1,031
Disallowed foreign interest, Subpart F income, and other foreign taxes	20,242	14,241	903
Other, net	(4,507)	(45)	(1,363)
Provision (Benefit) for Income Taxes	$ 29,609	$ 59,931	$ 42,753