COMPONENTS OF RENTAL INCOME AND EXPENSE

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Minimum rents
Retail	$	19,520	$	18,524	$	56,598	$	55,548
Office	23,494		22,458		69,829		67,427
Multifamily	11,473		7,451		28,957		19,806
Mixed-use	2,671		2,650		7,813		7,962
Cost reimbursement	8,838		8,344		24,854		23,832
Percentage rent	700		685		1,611		1,572
Hotel revenue	11,006		11,371		30,216		30,045
Other	433		369		1,222		1,126
Total rental income	$	78,135	$	71,852	$	221,100	$	207,318

Minimum rents include $0.0 million and $(0.3) million for the three months ended September 30, 2017 and 2016, respectively, and $(0.3) million for each of the nine month periods ended September 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 $0.8 million and $0.9 million for the three months ended September 30, 2017 and 2016, respectively, and $2.5 million and $2.6 million for the nine months ended September 30, 2017 and 2016, respectively.

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Rental operating	$	8,625	$	8,404	$	25,135	$	23,996
Hotel operating	6,233		6,158		18,530		17,744
Repairs and maintenance	3,202		3,069		8,717		8,506
Marketing	506		432		1,404		1,454
Rent	774		722		2,325		2,190
Hawaii excise tax	1,231		1,255		3,201		3,250
Management fees	606		551		1,565		1,494
Total rental expenses	$	21,177	$	20,591	$	60,877	$	58,634