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Combined Guarantor Subsidiaries - Leases - Maturities of Operating Lease Payments (Details) - Guarantor Subsidiaries - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Condensed Financial Statements Captions [Line Items] |  |
2020 | $ 41,000 |
2021 | 41,000 |
2022 | 41,000 |
2023 | 41,000 |
2024 | 41,000 |
Thereafter | 1,951,000 |
Total undiscounted lease payments | 2,156,000 |
Less imputed interest | (1,667,000) |
Lease Liability | $ 489,000 | $ 490,000
2019 |  | 41,000
2020 |  | 41,000
2021 |  | 41,000
2022 |  | 41,000
2023 |  | 41,000
Thereafter |  | 1,990,000
Total |  | $ 2,195,000

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- Definition Amount of lessee's undiscounted obligation for lease payments for operating 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=77888426&loc=SL77918701-209980 + Details
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