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Leases (Schedule of Supplemental Balance Sheet Information Operating Lease) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Operating leases:
Operating leases right-of-use	$ 3,783
Current operating lease liabilities	1,090
Non-current operating lease liabilities	2,693
Total operating lease liabilities	$ 3,783
Weighted average remaining lease term Operating leases	4 years 9 months 18 days
Weighted average discount rate Operating leases	3.30%

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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