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Leases (Schedule of operating lease liabilities) (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Lease payments due  
Less than 1 year $ 1,619
1-2 years 1,740
2-3 years 1,555
3-4 years 1,400
4-5 years 468
Over 5 years 2,265
Total undiscounted cash flows 9,047
Discount on cash flows 1,457
Total lease liability $ 7,590