Goodwill and Intangibles (Details) - USD ($) $ in Thousands	Apr. 19, 2013	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary of Intangible Assets
Gross carrying value		$ 260,950	$ 240,377
Accumulated amortization		(41,702)	(38,807)
Net carrying value		219,248	201,570	$ 144,152
European servicing rights
Summary of Intangible Assets
Gross carrying value			31,593
Accumulated amortization			(28,967)
Net carrying value			2,626	11,849
Fair value intangible assets			5,300
In-place lease
Summary of Intangible Assets
Gross carrying value		175,409	74,983
Accumulated amortization		(38,532)	(8,898)
Net carrying value		136,877	66,085
Favorable lease
Summary of Intangible Assets
Gross carrying value		30,459	14,103
Accumulated amortization		(3,170)	(942)
Net carrying value		27,289	13,161
Domestic servicing rights
Summary of Intangible Assets
Gross carrying value		55,082	119,698
Net carrying value		55,082	119,698	$ 132,303
Domestic servicing rights | Before consolidation of securitization VIEs
Intangible Assets
Servicing rights intangibles		89,300	131,500
Domestic servicing rights | VIE eliminations
Intangible Assets
Servicing rights intangibles		$ 34,200	$ 11,800
Investment and Servicing Segment
Intangible Assets
Expected tax deductible expenses for goodwill	$ 149,900
Period over which tax deductible goodwill is deducted	15 years