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OPERATING LEASES (Tables)
12 Months Ended
Dec. 31, 2017
Leases, Operating [Abstract]  
Schedule of net rent expense for all operating leases
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

Schedule of future minimum rental commitments for all noncancellable operating leases that had initial lease terms in excess of one year
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

Schedule of future minimum rental income for noncancellable operating leases that had initial lease terms in excess of one year
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