Leases (Finance leases) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Ending July 1,
2021	$ 6,692
2022	179
Total future payments	6,871
Less payments related to:
Maintenance	1,430
Interest	122
Present value of future minimum finance lease payments	5,319	$ 7,379
Less: Current portion	(5,157)	(4,164)
Total long-term finance lease payments	$ 162	$ 3,215

Less payments related to:

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- Definition

Amounts to be paid by lessee to lessor for maintenance, insurance, and tax expenses related to the leased asset.

+ References

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-Publisher FASB
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- Definition

Amount necessary to reduce net minimum lease payments to present value for capital leases.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 842
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

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

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in next fiscal year following latest fiscal year.

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.

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- References

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