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Lease Investments (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Schedule of components of lease investments by category | The following table shows the components of the investment in direct finance and operating leases as of December 31.
(Dollars in thousands) |  | 2021 |  | 2020
Direct finance leases: |  |  |  |
Minimum lease payments |  | $ | 172,017 |  |  | $ | 160,508 |
Estimated unguaranteed residual values |  | — |  |  | — |
Less: Unearned income |  | (22,552) |  |  | (21,507) |
Net investment in direct finance leases |  | $ | 149,465 |  |  | $ | 139,001 |
Operating leases: |  |  |  |
Gross investment in operating leases |  | $ | 95,046 |  |  | $ | 116,818 |
Accumulated depreciation |  | (46,613) |  |  | (51,778) |
Net investment in operating leases |  | $ | 48,433 |  |  | $ | 65,040 |
Minimum future lease payments due from clients | The following table shows future minimum lease payments due from clients on direct finance and operating leases at December 31, 2021.
(Dollars in thousands) |  | Direct Finance Leases |  | Operating Leases
2022 |  | $ | 36,321 |  |  | $ | 13,301 |
2023 |  | 33,179 |  |  | 8,312 |
2024 |  | 24,804 |  |  | 4,508 |
2025 |  | 22,417 |  |  | 2,085 |
2026 |  | 16,971 |  |  | 603 |
Thereafter |  | 38,325 |  |  | 111 |
Total |  | $ | 172,017 |  |  | $ | 28,920 |
Schedule of the components of income from direct finance and operating lease equipment | The following table shows interest income recognized from direct finance lease payments and operating lease equipment rental income and related depreciation expense.
(Dollars in thousands) | 2021 |  | 2020 |  | 2019
Direct finance leases: |  |  |  |  |
Interest income on lease receivable | $ | 6,634 |  |  | $ | 8,258 |  |  | $ | 10,985 |
Operating leases: |  |  |  |  |
Income related to lease payments | $ | 16,647 |  |  | $ | 23,380 |  |  | $ | 30,741 |
Depreciation expense | 13,694 |  |  | 20,203 |  |  | 25,128 |

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