| Schedule of Fair Value Measured on Recurring Basis |
The following table summarizes assets and liabilities measured at fair value on a recurring basis as of the dates indicated, by level within the fair value hierarchy: | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurement at March 31, 2021 Using | | (in thousands) | Total | | Level 1 | | Level 2 | | Level 3 | | Assets: | | | | | | | | Available for sale debt securities: | | | | | | | | U.S. Government agencies and corporations | $ | 340 | | | $ | — | | | $ | 340 | | | $ | — | | State and political subdivisions | 673,923 | | | — | | | 673,923 | | | — | | Mortgage-backed securities | 79,005 | | | — | | | 79,005 | | | — | | Collateralized mortgage obligations | 715,981 | | | — | | | 715,981 | | | — | | Corporate debt securities | 427,645 | | | — | | | 427,645 | | | — | | | Derivative assets | 6,894 | | | — | | | 6,894 | | | — | | | Mortgage servicing rights | 5,928 | | | — | | | 5,928 | | | — | | | | | | | | | | | Liabilities: | | | | | | | | Derivative liabilities | $ | 7,694 | | | $ | — | | | $ | 7,694 | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurement at December 31, 2020 Using | | (in thousands) | Total | | Level 1 | | Level 2 | | Level 3 | | Assets: | | | | | | | | Debt securities available for sale: | | | | | | | | U.S. Government agencies and corporations | $ | 361 | | | $ | — | | | $ | 361 | | | $ | — | | State and political subdivisions | 628,346 | | | — | | | 628,346 | | | — | | Mortgage-backed securities | 94,018 | | | — | | | 94,018 | | | — | | Collateralized mortgage obligations | 565,836 | | | — | | | 565,836 | | | — | | Corporate debt securities | 368,820 | | | — | | | 368,820 | | | — | | | Derivative assets | 10,796 | | | — | | | 10,796 | | | — | | | Mortgage servicing rights | 5,137 | | | — | | | 5,137 | | | — | | | | | | | | | | | Liabilities: | | | | | | | | | Derivative liabilities | $ | 13,267 | | | $ | — | | | $ | 13,267 | | | $ | — | |
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| Fair Value, by Balance Sheet Grouping |
The carrying amount and estimated fair value of financial instruments at March 31, 2021 and December 31, 2020 were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2021 | | (in thousands) | Carrying Amount | | Estimated Fair Value | | Level 1 | | Level 2 | | Level 3 | | Financial assets: | | | | | | | | | | | Cash and cash equivalents | $ | 145,769 | | | $ | 145,769 | | | $ | 145,769 | | | $ | — | | | $ | — | | | Debt securities available for sale | 1,896,894 | | | 1,896,894 | | | — | | | 1,896,894 | | | — | | | Loans held for sale | 58,333 | | | 58,608 | | | — | | | 58,608 | | | — | | | Loans held for investment, net | 3,307,511 | | | 3,341,347 | | | — | | | — | | | 3,341,347 | | | Interest receivable | 19,749 | | | 19,749 | | | — | | | 19,749 | | | — | | | FHLB stock | 12,170 | | | 12,170 | | | — | | | 12,170 | | | — | | | Derivative assets | 6,894 | | | 6,894 | | | — | | | 6,894 | | | — | | | Financial liabilities: | | | | | | | | | | | Noninterest bearing deposits | 958,526 | | | 958,526 | | | 958,526 | | | — | | | — | | | Interest bearing deposits | 3,836,037 | | | 3,838,265 | | | 2,937,232 | | | 901,033 | | | — | | | Short-term borrowings | 175,785 | | | 175,785 | | | 175,785 | | | — | | | — | | | Finance leases payable | 1,061 | | | 1,061 | | | — | | | 1,061 | | | — | | | FHLB borrowings | 84,174 | | | 85,986 | | | — | | | 85,986 | | | — | | | Junior subordinated notes issued to capital trusts | 41,807 | | | 34,066 | | | — | | | 34,066 | | | — | | | Subordinated debentures | 74,654 | | | 78,388 | | | — | | | 78,388 | | | — | | | | | | | | | | | | | Derivative liabilities | 7,694 | | | 7,694 | | | — | | | 7,694 | | | — | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2020 | | (in thousands) | Carrying Amount | | Estimated Fair Value | | Level 1 | | Level 2 | | Level 3 | | Financial assets: | | | | | | | | | | | Cash and cash equivalents | $ | 82,659 | | | $ | 82,659 | | | $ | 82,659 | | | $ | — | | | $ | — | | | | | | | | | | | | | Debt securities available for sale | 1,657,381 | | | 1,657,381 | | | — | | | 1,657,381 | | | — | | | | | | | | | | | | | Loans held for sale | 59,956 | | | 60,039 | | | — | | | 60,039 | | | — | | | Loans held for investment, net | 3,426,723 | | | 3,469,515 | | | — | | | — | | | 3,469,515 | | | Interest receivable | 21,706 | | | 21,706 | | | — | | | 21,706 | | | — | | | FHLB stock | 13,784 | | | 13,784 | | | — | | | 13,784 | | | — | | | Derivative assets | 10,796 | | | 10,796 | | | — | | | 10,796 | | | — | | | Financial liabilities: | | | | | | | | | | | Noninterest bearing deposits | 910,655 | | | 910,655 | | | 910,655 | | | — | | | — | | | Interest bearing deposits | 3,636,394 | | | 3,640,365 | | | 2,800,046 | | | 840,319 | | | | | Short-term borrowings | 230,789 | | | 230,789 | | | 230,789 | | | — | | | — | | | Finance leases payable | 1,096 | | | 1,096 | | | — | | | 1,096 | | | — | | | FHLB borrowings | 91,198 | | | 93,380 | | | — | | | 93,380 | | | | | Junior subordinated notes issued to capital trusts | 41,763 | | | 33,986 | | | — | | | 33,986 | | | | | Subordinated debentures | 74,634 | | | 77,228 | | | — | | | 77,228 | | | | | | | | | | | | | | | Derivative liabilities | 13,267 | | | 13,267 | | | — | | | 13,267 | | | — | | | | | | | | | | | |
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