Transactions with Affiliates - Amounts due from Affiliate (Details) - PMT - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Amounts due from affiliate
Fulfillment fees	$ 12,078	$ 346
Management fees	6,482	5,901
Servicing fees	3,765	6,583
Allocated expenses	2,295	11,542
Correspondent production fees	1,864	1,735
Conditional Reimbursement	870	870
Interest on assets purchased under agreements to resell	113	142
Total due from affiliate	27,467	27,119
Payable to affiliate
Deposits made by PMT	89,467	132,844
MSR Recapture Payable to PMT	250	282
Other expenses	2,101	3,872
Payable to affiliates	$ 91,818	$ 136,998