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Lease Commitments (Details 2) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Operating lease, Within 1 year $ 117  
Operating lease, After 1 year but within 2 years 118  
Operating lease, After 2 years but within 3 years 120  
Operating lease, After 3 years but within 4 years 85  
Operating lease, After 4 years but within 5 years 69  
Operating lease, After 5 years 641  
Total undiscounted cash flows 1,150  
Discount on cash flows (222)  
Total lease liabilities 928 $ 0
Financing lease, Within 1 year 295  
Financing lease, After 1 year but within 2 years 289  
Financing lease, After 2 years but within 3 years 276  
Financing lease, After 3 years but within 4 years 278  
Financing lease, After 4 years but within 5 years 262  
Financing lease, After 5 years 3,184  
Total undiscounted cash flows 4,584  
Discount on cash flows (1,289)  
Total Financing lease liabilities $ 3,295 $ 0