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Leases (Tables)
6 Months Ended
Jun. 30, 2019
Leases [Abstract]  
Components of leases
The components of lease expense were as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(in thousands)
2019
 
2018
 
2019
 
2018
Operating lease cost
$
1,100

 
$
917

 
$
2,081

 
$
1,770

 
 
 
 
 
 
 
 
Finance lease cost
 
 
 
 
 
 
 
Amortization of ROU assets
$
155

 
$
152

 
$
308

 
$
304

Interest on lease liabilities
1

 
10

 
3

 
19

Total finance lease cost
$
156

 
$
162

 
$
311

 
$
323


Supplemental information related to leases was as follows:
 
June 30, 2019
 
December 31, 2018
Operating leases
 
 
 
Weighted average remaining lease term
3.4 years
 
3.1 years
Weighted average discount rate
6.8%
 
7.1%
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(in thousands)
2019
 
2018
 
2019
 
2018
ROU assets obtained in exchange for lease obligations
 
 
 
 
 
 
 
Operating leases
$

 
$
1,262

 
$
2,198

 
$
1,262

Finance leases

 

 
11

 


Schedule of maturities of operating lease liabilities
Maturities of operating lease liabilities at June 30, 2019 were as follows:
(in thousands)
 
Year ending December 31,
 
2019(1)
$
2,195

2020
4,181

2021
2,243

2022
926

2023
694

Thereafter
1,337

Total lease payments
11,576

Less: imputed interest
(1,071
)
Total
$
10,505

_______________
(1)    Represents the six months ending December 31, 2019.