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Leases (Tables) | 6 Months Ended
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Jun. 30, 2022
Leases |
Schedule of right-of-use assets and lease liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | June 30, |  | December 31,
(dollars in thousands) |  | ​ |  | 2022 |  | 2021
Lease Right-of-Use Assets | ​ | Classification | ​ | ​ | ​ | ​ | ​ | ​
Operating lease right-of-use assets |  | Operating lease right-of-use assets | ​ | $ | 3,439 | ​ | $ | 3,727
Finance lease right-of-use assets |  | Land, premises and equipment, net | ​ |  | 29 | ​ |  | 87
Total lease right-of-use assets | ​ | ​ | ​ | $ | 3,468 | ​ | $ | 3,814
Lease Liabilities |  |  | ​ |  | ​ | ​ |  |
Operating lease liabilities |  | Operating lease liabilities | ​ | $ | 3,856 | ​ | $ | 4,275
Finance lease liabilities |  | Long-term debt | ​ |  | 83 | ​ |  | 203
Total lease liabilities | ​ | ​ | ​ | $ | 3,939 | ​ | $ | 4,478
Schedule of weighted average remaining lease term and average discount rate | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31, |
​ |  | 2022 |  | 2021 | ​
Weighted-average remaining lease term, years | ​ | ​ | ​ | ​ | ​
Operating leases |  | 4.3 | ​ | 3.4 | ​
Finance leases |  | 0.3 | ​ | 0.8 | ​
Weighted-average discount rate |  | ​ | ​ |  | ​
Operating leases |  | 2.8 | % | 2.5 | %
Finance leases |  | 7.8 | % | 7.8 | %
Schedule of lease costs and other lease information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Six months ended
​ | ​ | June 30, | ​ | June 30,
(dollars in thousands) |  | 2022 |  | 2021 |  | 2022 | ​ | 2021
Lease costs |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ |
Operating lease cost | ​ | $ | 414 | ​ | $ | 492 | ​ | $ | 825 | ​ | $ | 988
Variable lease cost | ​ | ​ | 150 | ​ | ​ | 158 | ​ |  | 363 | ​ |  | 391
Short-term lease cost | ​ | ​ | 43 | ​ | ​ | 46 | ​ |  | 88 | ​ |  | 83
Finance lease cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  |  | ​ |  |
Interest on lease liabilities | ​ | ​ | 1 | ​ | ​ | 7 | ​ |  | 5 | ​ |  | 15
Amortization of right-of-use assets | ​ | ​ | 29 | ​ | ​ | 29 | ​ |  | 58 | ​ |  | 58
Sublease income | ​ | ​ | (59) | ​ | ​ | (52) | ​ |  | (116) | ​ |  | (112)
Net lease cost | ​ | $ | 578 | ​ | $ | 680 | ​ | $ | 1,223 | ​ | $ | 1,423
Other information | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  |
Cash paid for amounts included in the measurement of lease liabilities operating cash flows from operating leases | ​ | $ | 393 | ​ | $ | 474 | ​ | $ | 784 | ​ | $ | 961
Right-of-use assets obtained in exchange for new operating lease liabilities | ​ | ​ | — | ​ | ​ | — | ​ | $ | — | ​ | $ | —
Schedule of future minimum payments for finance leases | Future minimum payments for finance and operating leases with initial or remaining terms of one year or more as of June 30, 2022 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Finance | ​ | Operating
(dollars in thousands) |  | Leases |  | Leases
Twelve months ended | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | $ | 84 | ​ | $ | 1,644
June 30, 2024 | ​ |  | — | ​ |  | 932
June 30, 2025 | ​ |  | — | ​ |  | 467
June 30, 2026 | ​ |  | — | ​ |  | 375
June 30, 2027 | ​ |  | — | ​ |  | 252
Thereafter | ​ |  | — | ​ |  | 511
Total future minimum lease payments | ​ | $ | 84 | ​ | $ | 4,181
Amounts representing interest | ​ |  | (1) | ​ |  | (325)
Total operating lease liabilities | ​ | $ | 83 | ​ | $ | 3,856
Schedule of future minimum payments for operating leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Finance | ​ | Operating
(dollars in thousands) |  | Leases |  | Leases
Twelve months ended | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | $ | 84 | ​ | $ | 1,644
June 30, 2024 | ​ |  | — | ​ |  | 932
June 30, 2025 | ​ |  | — | ​ |  | 467
June 30, 2026 | ​ |  | — | ​ |  | 375
June 30, 2027 | ​ |  | — | ​ |  | 252
Thereafter | ​ |  | — | ​ |  | 511
Total future minimum lease payments | ​ | $ | 84 | ​ | $ | 4,181
Amounts representing interest | ​ |  | (1) | ​ |  | (325)
Total operating lease liabilities | ​ | $ | 83 | ​ | $ | 3,856

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