Leases - Value of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Operating Leases
Year one	$ 4,829
Year two	4,250
Year three	3,178
Year four	2,418
Year five	809
Subsequent years	1,416
Total lease payments	16,900
Less: Interest	1,176
Present value of lease liabilities	15,724
Financing Leases
Year one	196
Year two	132
Year three	64
Year four	13
Year five	0
Subsequent years	0
Less: Interest	22
Total lease payments	405	$ 700
Present value of lease liabilities	383
Total
Year one	5,025
Year two	4,382
Year three	3,242
Year four	2,431
Year five	809
Subsequent years	1,416
Total lease payments	17,305
Less: Interest	1,198
Present value of lease liabilities	$ 16,107

Finance Lease, Liability, Present Value

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

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Net Lease Liabilities, Payments, Due [Abstract]

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Net Lease Liability, Imputed Interest

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Net Lease Liability, Payments Due

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Net Lease Liability, Payments, Due after Year Four

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Net Lease Liability, Payments, Due Year Four

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Net Lease Liability, Payments, Due Year One

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Net Lease Liability, Payments, Due Year Three

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Net Lease Liability, Payments, Due Year Two

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Net Lease Liability, Payments, Remainder of Fiscal Year

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Net Lease Liability, Present Value

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Amount of lessee's undiscounted obligation for lease payments for 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=121609121&loc=SL77918701-209980

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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).

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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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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=121609121&loc=SL77918701-209980

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

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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 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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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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