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Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Carrying Value of Repurchase Agreements by Maturity and Category of Collateral | The following tables summarize the carrying value of the Company’s repurchase agreements by remaining contractual maturity and category of collateral:
| December 31, 2021 |  |  |  |  |  |  |  | December 31, 2020
| Remaining Contractual Maturity of the Agreements
(Dollars in thousands) | Overnight and Continuous
State and local governments | $ | — |  |  |  |  |  |  |  |  | 787,016 |
Corporate bonds | — |  |  |  |  |  |  |  |  | 217,567 |
Residential mortgage-backed securities | 1,020,794 |  |  |  |  |  |  |  |  | — |
Total | $ | 1,020,794 |  |  |  |  |  |  |  |  | 1,004,583 |

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- Definition Tabular disclosure of the nature and risks of short-term collateralized financing obtained through repurchase agreements, securities lending transactions and repurchase-to-maturity transactions, accounted for as secured borrowings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729 + Details
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