Premises and Equipment

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

PREMISES AND EQUIPMENT

Major classifications of premises and equipment at December 31, 2017 and 2016 are summarized as follows:



(Dollars in thousands)	2017		2016
Land	$	290,990	$	285,612
Premises and leasehold improvements	1,158,699		1,130,650
Furniture and equipment	489,067		443,560
Total	1,938,756		1,859,822
Less accumulated depreciation and amortization	800,325		726,778
Total premises and equipment	$	1,138,431	$	1,133,044

BancShares leases certain premises and equipment under various lease agreements that provide for payment of property taxes, insurance and maintenance costs. Operating leases frequently provide for one or more renewal options on the same basis as current rental terms. However, certain leases require increased rentals under cost of living escalation clauses. Some leases also provide purchase options.

Future minimum rental commitments for noncancellable operating leases with initial or remaining terms of one or more years consisted of the following at December 31, 2017:



(Dollars in thousands)	Year ended December 31
2018	$	25,797
2019	18,838
2020	12,691
2021	10,780
2022	9,181
Thereafter	45,138
Total minimum payments	$	122,425

Total rent expense for all operating leases amounted to $15.2 million in 2017, $13.0 million in 2016 and $13.8 million in 2015, net of rent income, which was $6.6 million, $6.5 million and $6.4 million during 2017, 2016 and 2015, respectively.