Leases - Maturity of Lease Liabilities (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($)
Operating leases
2021, excluding the nine months ended September 30, 2021	$ 4,397
2022	16,852
2023	15,779
2024	14,324
2025	11,189
Thereafter	16,929
Total lease payments	79,470
Less: Interest	8,316
Present value of lease liabilities	71,154
Finance leases
2021, excluding the nine months ended September 30, 2021	120
2022	478
2023	465
2024	379
2025	80
Thereafter	0
Total lease payments	1,522
Less: Interest	124
Present value of lease liabilities	1,398
Other Leases
2021, excluding the nine months ended September 30, 2021	256
2022	467
2023	0
2024	0
2025	0
Thereafter	0
Total lease payments	723
Total Lease Obligations
2021, excluding the nine months ended September 30, 2021	4,773
2022	17,797
2023	16,244
2024	14,703
2025	11,269
Thereafter	16,929
Total lease payments	81,715
Operating lease, capitalized interest expense	2,788
Financing lease, capitalized interest expense	$ 66

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 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, 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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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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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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