COMPONENTS OF RENTAL INCOME AND EXPENSE

9 Months Ended

Sep. 30, 2019

Operating Leases, Income Statement, Lease Revenue [Abstract]

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Lease rental income
Retail	$	25,065	$	19,034	$	74,535	$	58,236
Office	40,187		24,061		94,899		71,507
Multifamily	11,723		11,866		35,694		35,073
Mixed-use	3,869		2,703		11,632		8,268
Cost reimbursement	—		8,405		—		25,238
Percentage rent	553		633		1,108		1,424
Hotel revenue	11,257		10,960		30,365		30,273
Other	493		417		1,401		1,153
Total rental income	$	93,147	$	78,079	$	249,634	$	231,172

Lease rental income include $5.2 million and $1.2 million for the three months ended September 30, 2019 and 2018, respectively, and $0.9 million and $(2.4) million for the nine months ended September 30, 2019 and 2018, respectively, to recognize lease rental income on a straight-line basis. In addition, net amortization of above and below market leases included in lease rental income were $1.1 million and $0.8 million for the three months ended September 30, 2019 and 2018, respectively, and $2.8 million and $2.2 million for the nine months ended September 30, 2019 and 2018, respectively.

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



	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Rental operating	$	10,175	$	8,997	$	27,734	$	26,399
Hotel operating	6,564		6,302		18,573		18,329
Repairs and maintenance	4,134		3,163		11,564		9,553
Marketing	631		482		1,745		1,397
Rent	841		816		2,531		2,416
Hawaii excise tax	1,099		1,094		2,957		3,096
Management fees	545		529		1,507		1,495
Total rental expenses	$	23,989	$	21,383	$	66,611	$	62,685