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Leases (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Summary of supplemental balance sheet information related to leases | ​
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(Dollars in thousands) | ​ | December 31, 2021 | ​ | December 31, 2020
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Operating lease ROU assets | ​ | $ | 50,200 | ​ | $ | 50,743
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Operating lease liabilities | ​ | $ | 54,155 | ​ | $ | 59,100
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Weighted-average remaining lease term-operating leases | ​ | ​ | 7.4 years | ​ | ​ | 8.3 years
Weighted average discount rate-operating leases | ​ | ​ | 3.1% | ​ | ​ | 3.2%
Schedule of components of lease expense and cash flow information related to leases | ​
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​ | ​ | For the year ended
(Dollars in thousands) | ​ | December 31, 2021 | ​ | December 31, 2020 | ​ | December 31, 2019
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Lease Cost | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating lease cost | ​ | $ | 8,689 | ​ | $ | 7,725 | ​ | $ | 7,575
Short-term lease cost | ​ | ​ | 164 | ​ | ​ | 139 | ​ | ​ | 136
Variable lease cost | ​ | ​ | 1,065 | ​ | ​ | 1,128 | ​ | ​ | 1,020
Total lease cost | ​ | $ | 9,918 | ​ | $ | 8,992 | ​ | $ | 8,731
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Other information | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash paid for amounts included in the measurement of lease liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | $ | 12,811 | ​ | $ | 8,316 | ​ | $ | 8,051
Right-of-use assets obtained in exchange for new operating lease liabilities | ​ | $ | 6,570 | ​ | $ | 5,484 | ​ | $ | 1,576
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: | ​ | ​ | ​
2022 | ​ | $ | 9,129
2023 | ​ | ​ | 9,488
2024 | ​ | ​ | 9,322
2025 | ​ | ​ | 8,660
2026 | ​ | ​ | 7,769
Thereafter | ​ | ​ | 16,277
Total minimum payments required | ​ | ​ | 60,645
Less: implied interest | ​ | ​ | 6,490
Total lease obligations | ​ | $ | 54,155

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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 http://asc.fasb.org/extlink&oid=123408670&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 http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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