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Leases (Tables) | 9 Months Ended
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Sep. 30, 2021
Leases [Abstract] |
Lessee, Balance Sheet and Income Statement Effect | The following table summarizes the impact of the Company's leases in its financial statements (in thousands):
Balance Sheet | Financial statement caption |  |  |  | September 30, 2021 |  | December 31, 2020
Right-of-use asset - operating | Other assets |  |  |  | $ | 4,960 |  |  | $ | 5,062 |
Lease liability - operating | Accounts payable and other accrued expenses |  |  |  | $ | 5,739 |  |  | $ | 6,088 |
|  |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
Income Statement | Financial statement caption |  | 2021 |  | 2020 |  | 2021 |  | 2020
Operating lease cost(1) | Administrative expenses |  | $ | 829 |  |  | $ | 754 |  |  | $ | 2,408 |  |  | $ | 2,260 |
(1) Includes short-term leases that are immaterial.
Schedule of Components of Leveraged Lease Investments | The following table summarizes the components of the net investment in finance leases (in thousands):
| September 30, 2021 |  | December 31, 2020
Future minimum lease payment receivable(1) | $ | 1,380,331 |  |  | $ | 355,755 |
Estimated residual receivable(2) | 146,428 |  |  | 53,892 |
Gross finance lease receivables(3) | 1,526,759 |  |  | 409,647 |
Unearned income(4) | (510,461) |  |  | (127,516) |
Net investment in finance leases(5) | $ | 1,016,298 |  |  | $ | 282,131 |
(1) There were no executory costs included in gross finance lease receivables as of September 30, 2021 and December 31, 2020. (2) The Company's finance leases generally include a purchase option at nominal amounts that is reasonably certain to be exercised, and therefore, the Company has immaterial residual value risk for assets. (3) The gross finance lease receivable is reduced as billed to customers and reclassified to accounts receivable until paid by customers. (4) There were no unamortized initial direct costs as of September 30, 2021 and December 31, 2020. (5) One major customer represented 89% and 75% of the Company's finance lease portfolio as of September 30, 2021 and December 31, 2020, respectively. No other customer represented more than 10% of the Company's finance lease portfolio in each of those periods.

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- Definition Lessee, Balance Sheet and Income Statement Effect [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the components of the investment in leveraged leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121568338&loc=d3e45424-112738 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121579104&loc=SL77920254-209983 + Details
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