Deferred Court Costs, Net - Court Cost Reserve (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Deferred Costs, Capitalized, Prepaid, and Other Assets [Roll Forward]
Balance at beginning of period	$ (396,460)
Provision for court costs	(15,713)
Charge-offs	13,779
Effect of foreign currency translation	(1,597)
Balance at end of period	$ (399,991)