COMPONENTS OF RENTAL INCOME AND EXPENSE

The principal components of rental income are as follows (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Minimum rents
Retail	$	18,544	$	18,626	$	37,078	$	37,024
Office	23,213		22,501		46,335		44,969
Multifamily	10,249		6,516		17,484		12,355
Mixed-use	2,581		2,657		5,142		5,312
Cost reimbursement	8,128		7,846		16,016		15,488
Percentage rent	456		447		911		887
Hotel revenue	9,345		9,256		19,210		18,674
Other	409		372		789		757
Total rental income	$	72,925	$	68,221	$	142,965	$	135,466

Minimum rents include $(0.5) million and $0.0 million for the three months ended June 30, 2017 and 2016, respectively, and $(0.3) million and $0.1 million for the six months ended June 30, 2017 and 2016, respectively, to recognize minimum rents on a straight-line basis. In addition, net amortization of above and below market leases included in minimum rents were $0.9 million and $0.9 million for the three months ended June 30, 2017 and 2016, respectively, and $1.7 million and $1.7 million for the six months ended June 30, 2017 and 2016, respectively.

The principal components of rental expenses are as follows (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Rental operating	$	8,437	$	8,210	$	16,510	$	15,592
Hotel operating	5,746		5,810		12,297		11,586
Repairs and maintenance	2,984		2,871		5,515		5,437
Marketing	462		537		898		1,022
Rent	794		718		1,551		1,468
Hawaii excise tax	945		976		1,970		1,995
Management fees	473		468		959		943
Total rental expenses	$	19,841	$	19,590	$	39,700	$	38,043