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Commitments
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Commitments
Commitments
Lease commitments under non-cancelable operating leases extending for one year or more will require the following future payments:
 
(Dollars in thousands)
2016
$
3,957

2017
2,423

2018
2,136

2019
1,773

2020
934

After 2020
45


Total lease and rental expenses under non-cancelable operating leases extending one year or more approximated $2.6 million in 2013, $7.1 million in 2014 and $6.2 million in 2015.