Other Liabilities - Schedule of Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other Liabilities Disclosure [Abstract]
Contingent loan repurchase liability	$ 492,900	$ 302,581
Servicing-related obligations	88,167	41,922
Other accrued expenses	67,241	94,835
Due to NRZ - Advance collections and servicing fees	63,596	53,001
Liability for indemnification obligations	52,785	51,574
Lease liability	44,488
Checks held for escheat	31,959	20,686
Accrued legal fees and settlements	30,663	62,763
Liability for uncertain tax positions	17,197	13,739
Liability for unfunded pension obligation	13,383	12,683
Accrued interest payable	5,964	7,209
Liability for mortgage insurance contingency	6,820	6,820
Liability for unfunded India gratuity plan	5,331	4,904
Deferred revenue	488	4,441
Derivatives, at fair value	100	4,986
Other	21,091	21,492
Other liabilities	$ 942,173	$ 703,636