Commitments - Lease Commitments and Legal Proceedings (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Estimated aggregate minimum annual rental commitments | |||
| 2022 | $ 864,000 | ||
| 2023 | 792,000 | ||
| 2024 | 771,000 | ||
| 2025 | 738,000 | ||
| 2026 | 662,000 | ||
| 2027 and Thereafter | 2,635,000 | ||
| Aggregate future minimum rental income receivable under noncancelable leases | 425,000 | ||
| Total facility net operating lease revenue/expense | 361,000 | $ 223,000 | $ 248,000 |
| Total ATM lease expense | $ 1,200,000 | $ 1,000,000.0 | $ 916,000 |