19. OPERATING LEASES

We lease certain property and equipment with lease terms expiring through 2045. In most instances, the property leases provide for the renegotiation of rental terms at fixed intervals, and generally contain renewal options for periods ranging from five to 15 years.

Net rent expense for all operating leases for the years ended December 31, 2017, 2016 and 2015 is summarized as follows:



	Year Ended December 31,
	2017			2016			2015
	(Dollars in thousands)
Rent expense charged to net occupancy	$	8,318		$	8,700		$	9,287
Less: sublease income	(43		)	(43		)	(25		)
Net rent expense charged to net occupancy	8,275			8,657			9,262
Add: rent expense charged to equipment expense	15			19			30
Total net rent expense	$	8,290		$	8,676		$	9,292

The following is a schedule of future minimum rental commitments for all non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands):



Year Ending December 31:
2018	$	6,334
2019	5,827
2020	5,296
2021	4,755
2022	4,079
Thereafter	18,585
Total	$	44,876

In addition, the Company, as lessor, leases certain properties that it owns. The following is a schedule of future minimum rental income for those non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands):



Year Ending December 31:
2018	$	1,750
2019	1,061
2020	833
2021	980
2022	429
Thereafter	184
Total	$	5,237

In instances where the lease calls for a renegotiation of rental payments, the lease rental payment in effect prior to renegotiation was used throughout the remaining lease term.