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Off-Balance-Sheet Arrangements, Commitments, Guarantees and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Financial Instruments With Off-Balance-Sheet Risk | Year-end financial instruments with off-balance-sheet risk are presented in the following table. Commitments and standby letters of credit are presented at contractual amounts; however, since many of these commitments are expected to expire unused or only partially used, the total amounts of these commitments do not necessarily reflect future cash requirements.
| 2021 |  | 2020
Commitments to extend credit | $ | 10,420,142 |  |  | $ | 9,814,475 |
Standby letters of credit | 238,690 |  |  | 241,345 |
Deferred standby letter of credit fees | 2,072 |  |  | 1,723 |
Commitments, Off-Balance-Sheet, Allowance for Credit Losses | The following table details activity in the allowance for credit losses on off-balance-sheet credit exposures.
| 2021 |  | 2020 |  | 2019
Beginning balance | $ | 44,152 |  |  | $ | 500 |  |  | $ | 500 |
Impact of adopting ASC 326 | — |  |  | 39,377 |  |  | — |
Credit loss expense | 6,162 |  |  | 4,275 |  |  | — |
Ending balance | $ | 50,314 |  |  | $ | 44,152 |  |  | $ | 500 |

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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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