Leases and Service Commitment - 2020 Lease Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 10,323	$ 7,586
2022	8,756	5,845
2023	6,140	4,869
2024	4,145	2,890
2025	2,833	1,330
Thereafter	4,737	830
Total lease payments	36,934	23,350
Less: interest and accretion	(5,220)	(2,118)
Present value of minimum lease payments	31,714	21,232
Less: current portion	(8,277)	(6,730)
Long-term portion	23,437	14,502
Finance Lease [Abstract]
2021	45	308
2022	0	45
2023	0	0
2024	0	0
2025	0	0
Thereafter	0	0
Total lease payments	45	353
Less: interest and accretion	0	0
Present value of minimum lease payments	45	353
Less: current portion	(45)	(308)
Long-term portion	0	45
Lease Liability [Abstract]
2021	10,368	7,894
2022	8,756	5,890
2023	6,140	4,869
2024	4,145	2,890
2025	2,833	1,330
Thereafter	4,737	830
Total lease payments	36,979	23,703
Less: interest and accretion	(5,220)	(2,118)
Total lease liabilities	31,759	21,585
Less: current portion	(8,322)	(7,038)
Long-term portion	$ 23,437	$ 14,547

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Lease Liability

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Lease, Liability, Current

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Lease, Liability, Noncurrent

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Lease, Liability, Payments, Due After Year Five

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Lease, Liability, Payments, Due In Twelve Months

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Lease, Liability, Payments, Due Year Four

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Lease, Liability, Undiscounted Excess Amount

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

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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=121609121&loc=SL77918701-209980

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Section 45
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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