Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases

Schedule of lease cost

	Three Months Ended		Six Months Ended
(Dollars in thousands)	June 30, 2019		June 30, 2019
Operating lease cost	$	420	$	834
Short-term lease cost		29		68
Variable lease cost		4		18
Total lease cost	$	453	$	920

Schedule of maturities of lease liabilities

	As of
(Dollars in thousands)	June 30, 2019
2019	$	703
2020		1,479
2021		883
2022		270
2023		113
Thereafter		223
Total		3,671
Imputed interest		(173)
Lease liabilities	$	3,498