Related Party Transactions:

Certain unconsolidated joint ventures have engaged the Management Companies to manage the operations of the Centers. Under these arrangements, the Management Companies are reimbursed for compensation paid to on-site employees, leasing agents and project managers at the Centers, as well as insurance costs and other administrative expenses. The following are fees charged to unconsolidated joint ventures for the years ended December 31:



	2018		2017		2016
Management fees	$	19,752	$	19,105	$	17,937
Development and leasing fees	14,412		15,558		13,907
	$	34,164	$	34,663	$	31,844

Northwestern Mutual Life ("NML") was considered a related party due its ownership interest in Broadway Plaza until it sold its ownership interest in the property to a third party on October 12, 2018. Certain mortgage notes on the properties are held by NML (See Note 9—Mortgage Notes Payable). Interest expense in connection with these notes during the period NML was a related party was $6,883, $8,731 and $8,973 for the years ended December 31, 2018, 2017 and 2016, respectively. Included in accounts payable and accrued expenses at December 31, 2017 was interest payable of $716 to NML.

Due from affiliates includes $6,385 and $5,411 of unreimbursed costs and fees due from unconsolidated joint ventures under management agreements at December 31, 2018 and 2017, respectively.

In addition, due from affiliates at December 31, 2018 and 2017 includes a note receivable from RED/303 LLC ("RED") that bears interest at 5.25% and matures on May 30, 2021. Interest income earned on this note was $224, $268 and $366 for the years ended December 31, 2018, 2017 and 2016, respectively. The balance on this note receivable was $3,689 and $4,796 at December 31, 2018 and 2017, respectively. RED is considered a related party because it is a partner in a joint venture development project. The note is collateralized by RED's interest in a development agreement.

Also included in due from affiliates is a note receivable from Lennar Corporation that bore interest at LIBOR plus 2% and was to mature upon the completion of certain milestones in connection with the planned development of Fashion Outlets of San Francisco. As a result of those milestones not being completed, the Company elected to terminate the development agreement and the note was paid off on February 13, 2019. Interest income earned on this note was $3,152, $2,513 and $2,234 for the years ended December 31, 2018, 2017 and 2016, respectively. The balance on this note was $75,107 and $71,955 at December 31, 2018 and 2017, respectively. Lennar Corporation was considered a related party because it had an ownership interest in the project.