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Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Summary of supplemental balance sheet information related to leases | ​
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(Dollars in thousands) | ​ | December 31, 2022 | ​ | December 31, 2021
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Operating lease ROU assets | ​ | $ | 43,289 | ​ | $ | 50,200
​ | ​ | ​ | ​ | ​ | ​ | ​
Operating lease liabilities | ​ | $ | 46,125 | ​ | $ | 54,155
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Weighted-average remaining lease term-operating leases | ​ | ​ | 6.6 years | ​ | ​ | 7.4 years
Weighted average discount rate-operating leases | ​ | ​ | 2.9% | ​ | ​ | 3.1%
Schedule of components of lease expense and cash flow information related to leases | ​
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​ | ​ | ​ | ​ | For the year ended December 31,
(Dollars in thousands) | ​ | Line Item Presented | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Lease Cost | ​ | ​ | ​ |  |  | ​ |  |  | ​ |  |
Operating lease cost | ​ | Occupancy and equipment | ​ | $ | 8,510 | ​ | $ | 8,609 | ​ | $ | 7,657
Operating lease cost | ​ | Other operating expenses | ​ | ​ | 93 | ​ | ​ | 80 | ​ | ​ | 68
Short-term lease cost | ​ | Professional Services and Other operating expenses | ​ |  | 193 | ​ |  | 164 | ​ |  | 139
Variable lease cost | ​ | Occupancy and equipment | ​ |  | 999 | ​ |  | 1,065 | ​ |  | 1,128
Total lease cost | ​ | ​ | ​ | $ | 9,795 | ​ | $ | 9,918 | ​ | $ | 8,992
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other information | ​ | ​ | ​ |  |  | ​ |  |  | ​ |  |
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ |  |  | ​ |  |  | ​ |  |
Operating cash flows from operating leases | ​ | ​ | ​ | $ | 9,459 | ​ | $ | 12,811 | ​ | $ | 8,316
Right-of-use assets obtained in exchange for new operating lease liabilities | ​ | ​ | ​ | $ | 1,208 | ​ | $ | 6,570 | ​ | $ | 5,484
Right-of-use assets obtained in acquisition | ​ | ​ | ​ | $ | — | ​ | ​ | — | ​ | $ | 9,993
​
Schedule of Minimum annual rental payments for Bank facilities due under non-cancelable leases | ​
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​ | ​ | Minimum Rental
​ | ​ | (In thousands)
Years ended December 31: | ​ | ​ | ​
2023 | ​ | $ | 8,763
2024 | ​ | ​ | 9,373
2025 | ​ | ​ | 8,699
2026 | ​ | ​ | 7,806
2027 | ​ | ​ | 3,711
Thereafter | ​ | ​ | 12,814
Total minimum payments required | ​ | ​ | 51,166
Less: implied interest | ​ | ​ | 5,041
Total lease obligations | ​ | $ | 46,125

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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