Other Assets - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Operating lease right-of-use asset	$ 95,954
Identifiable intangible assets, net	56,441	$ 60,581
Assets held for sale	38,580	26,664
Service fee receivables	30,029	28,035
Other financial receivables	20,850	47,363
Prepaid expenses	19,169	24,989
Deferred tax assets	11,833	24,910
Income tax receivable	7,628	0
Other	61,285	44,460
Total	$ 341,769	$ 257,002