Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Schedule of Fees Earned from Related Parties

The following table summarizes the fees earned from these joint ventures, prior to elimination, for the years ended December 31, 2017, 2016 and 2015, respectively (in thousands): 

	2017		2016		2015
Management fees	$	2,422	$	4,467	$	6,831
Leasing fees	1,158		2,438		3,048
Construction and development fees	6,940		7,993		6,126