Leases (Future Minimum Payments - Sale-Leasebacks (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
2021	$ 253
2022	173
2023	61
2024	44
2025	15
Thereafter	0
Total lease payments	546
Failed Sale Leaseback
Lessee, Lease, Description [Line Items]
2021	14,869
2022	15,314
2023	15,775
2024	16,247
2025	15,232
Thereafter	171,175
Total lease payments	248,612
Failed Sale Leaseback \| Tower Sale
Lessee, Lease, Description [Line Items]
2021	13,266
2022	13,664
2023	14,074
2024	14,496
2025	14,931
Thereafter	171,175
Total lease payments	241,606
Failed Sale Leaseback \| Other
Lessee, Lease, Description [Line Items]
2021	1,603
2022	1,650
2023	1,701
2024	1,751
2025	301
Thereafter	0
Total lease payments	$ 7,006

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

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

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth 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 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 fifth 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).

+ References

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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).

+ References

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- Definition

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).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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