Leases - Future minimum payments for finance and operating leases (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finance leases
2022	$ 209
Total future minimum lease payments	209
Amounts representing interest	(6)
Total finance lease liabilities	203	$ 430
Operating leases
2022	1,663
2023	1,343
2024	579
2025	447
2026	252
Thereafter	423
Total future minimum lease payments	4,707
Amounts representing interest	(432)
Total operating lease liabilities	$ 4,275	$ 7,861

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payment for finance lease due in next rolling 12 months following current statement of financial position date. For interim and annual periods when interim period is reported on rolling approach.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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