Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases

Schedule of lease cost

	Three Months Ended		Nine Months Ended
(Dollars in thousands)	September 30, 2019		September 30, 2019
Operating lease cost	$	422	$	1,256
Short-term lease cost		30		98
Variable lease cost		19		37
Total lease cost	$	471	$	1,391

Schedule of maturities of lease liabilities

	As of
(Dollars in thousands)	September 30, 2019
2019	$	282
2020		1,497
2021		902
2022		288
2023		126
Thereafter		225
Total		3,320
Imputed interest		(149)
Lease liabilities	$	3,171