Leases - Minimum lease payments (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Operating leases
2020 (remaining nine months)	$ 1,368
2021	1,801
2022	1,800
2023	1,788
2024	127
Total lease payments	6,884
Less: interest	287
Present value of lease liabilities	6,597
Finance leases
2020 (remaining nine months)	114
2021	135
2022	120
2023	117
2024	10
Total lease payments	496
Less: interest	16
Present value of lease liabilities	480
Total
2020 (remaining nine months)	1,482
2021	1,936
2022	1,920
2023	1,905
2024	137
Total lease payments	7,380
Less: interest	303
Present value of lease liabilities	$ 7,077

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

No definition available.

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- Definition

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

+ References

No definition available.

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

+ References

No definition available.

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

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No definition available.

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- Definition

Amount of operating and finance lease liabilities undiscounted excess amount.

+ References

No definition available.

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No definition available.

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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
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

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

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

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

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

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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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

+ Details

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- Definition

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

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

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

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- Definition

Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

+ References

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

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- References

No definition available.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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