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Transfers of Financial Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
Transfers of Financial Assets |
Schedule of carrying amounts of assets pledged as collateral | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
(dollars in thousands) |  | 2021 |  | 2020
Public deposits | ​ | $ | 1,913,369 | ​ | $ | 2,251,508
Federal Home Loan Bank | ​ | ​ | 2,380,042 | ​ | ​ | 2,917,317
Federal Reserve Bank | ​ | ​ | 1,724,279 | ​ | ​ | 1,919,744
ACH transactions | ​ | ​ | 115,038 | ​ | ​ | 111,347
Interest rate swaps | ​ | ​ | 48,430 | ​ | ​ | 56,004
Total | ​ | $ | 6,181,158 | ​ | $ | 7,255,920

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- References No definition available. + Details
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