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Renasant Corporation (Parent Company Only) Condensed Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Assets |  |  |  |
Cash and cash equivalents | $ 633,203 | $ 414,930 |  |
Accrued interest receivable on bank balances | 56,459 | 33,679 |  |
Other assets | 207,785 | 165,527 |  |
Total assets | 14,929,612 | 13,400,618 | $ 12,934,878 |
Liabilities and shareholders’ equity |  |  |  |
Other liabilities | 241,488 | 196,163 |  |
Shareholders’ equity | 2,132,733 | 2,125,689 | 2,043,913 | $ 1,514,983
Total liabilities and shareholders’ equity | 14,929,612 | 13,400,618 |  |
Cash collateral |  | 844 | $ 3,840 |
Renasant Corporation |  |  |  |
Assets |  |  |  |
Cash and cash equivalents | 129,164 | 29,467 |  |
Investments | 7,174 | 1,653 |  |
Investment in bank subsidiary | 2,306,937 | 2,302,499 |  |
Accrued interest receivable on bank balances | 6 | 6 |  |
Intercompany receivable | 184 | 0 |  |
Other assets | 22,926 | 22,861 |  |
Total assets | 2,466,391 | 2,356,486 |  |
Liabilities and shareholders’ equity |  |  |  |
Junior subordinated debentures | 110,794 | 110,215 |  |
Subordinated notes | 212,009 | 113,955 |  |
Other liabilities | 10,855 | 6,627 |  |
Shareholders’ equity | 2,132,733 | 2,125,689 |  |
Total liabilities and shareholders’ equity | $ 2,466,391 | $ 2,356,486 |  |

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