Leases - Maturity of Lease Liabilities (Details) $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($)
Operating leases
2021, excluding the six months ended June 30, 2021	$ 8,697
2022	16,647
2023	15,654
2024	14,296
2025	11,183
Thereafter	16,917
Total lease payments	83,394
Less: Interest	9,087
Present value of lease liabilities	74,307
Finance leases
2021, excluding the six months ended June 30, 2021	209
2022	418
2023	405
2024	319
2025	52
Thereafter	0
Total lease payments	1,403
Less: Interest	119
Present value of lease liabilities	1,284
Other Leases
2021, excluding the six months ended June 30, 2021	406
2022	33
2023	0
2024	0
2025	0
Thereafter	0
Total lease payments	439
Total Lease Obligations
2021, excluding the six months ended June 30, 2021	9,312
2022	17,098
2023	16,059
2024	14,615
2025	11,235
Thereafter	16,917
Total lease payments	85,236
Operating lease, capitalized interest expense	2,933
Financing lease, capitalized interest expense	$ 59

Finance Lease, Liability, to be Paid, after Year Four

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Financing Lease, Capitalized Interest Expense

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Lessee, Lease Liability, Payments Due

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Lessee, Lease Liability, Payments, Due After Year Four

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Lessee, Lease Liability, Payments, Due Next Twelve Months

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Lessee, Lease Liability, Payments, Due Year Four

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Lessee, Lease Liability, Payments, Due Year Three

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Lessee, Lease Liability, Payments, Due Year Two

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Lessee, Operating Lease, Liability, Other, Payments, After Year Four

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Lessee, Operating Lease, Liability, Other, Payments, Due

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Lessee, Operating Lease, Liability, Other, Payments, Due Next Twelve Months

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Lessee, Operating Lease, Liability, Other, Payments, Due Year Four

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Lessee, Operating Lease, Liability, Other, Payments, Due Year One

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Lessee, Operating Lease, Liability, Other, Payments, Due Year Three

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Lessee, Operating Lease, Liability, Other, Payments, Due Year Two

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Lessee, Operating Lease, Liability, to be Paid, After Year Four

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- Definition

Operating Lease, Capitalized Interest Expense

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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=123408670&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=123391704&loc=SL77918627-209977

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- Definition

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

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

+ 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=123408670&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.

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- Definition

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

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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

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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=123391704&loc=SL77918627-209977

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