Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases

Schedule of future minimum payments under non-cancelable operating leases

	(Dollars
Year ended December 31,	in thousands)
2018	$	3,222
2019		3,215
2020		1,892
2021		1,079
2022		870
Thereafter		1,352
Total	$	11,630