XML 67 R49.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Fair Value Measurements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis | The following tables summarize financial assets and financial liabilities measured at fair value on a recurring basis as of December 31, 2023 and 2022, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value:
| Level 1 Inputs |  | Level 2 Inputs |  | Level 3 Inputs |  | Total Fair Value
2023 |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |
U.S. Treasury | $ | 4,927,589 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,927,589 |
Residential mortgage-backed securities | — |  |  | 6,596,682 |  |  | — |  |  | 6,596,682 |
States and political subdivisions | — |  |  | 5,011,331 |  |  | — |  |  | 5,011,331 |
Other | — |  |  | 42,769 |  |  | — |  |  | 42,769 |
Trading account securities: |  |  |  |  |  |  |
U.S. Treasury | 30,265 |  |  | — |  |  | — |  |  | 30,265 |
States and political subdivisions | — |  |  | 1,452 |  |  | — |  |  | 1,452 |
Derivative assets: |  |  |  |  |  |  |
Interest rate swaps, caps and floors | — |  |  | 90,715 |  |  | — |  |  | 90,715 |
Commodity swaps and options | — |  |  | 70,710 |  |  | — |  |  | 70,710 |
Foreign currency forward/option contracts | 22 |  |  | — |  |  | — |  |  | 22 |
Derivative liabilities: |  |  |  |  |  |  |
Interest rate swaps, caps and floors | — |  |  | 90,525 |  |  | — |  |  | 90,525 |
Commodity swaps and options | — |  |  | 69,447 |  |  | — |  |  | 69,447 |
Foreign currency forward/option contracts | 19 |  |  | — |  |  | — |  |  | 19 |
| Level 1 Inputs |  | Level 2 Inputs |  | Level 3 Inputs |  | Total Fair Value
2022 |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |
U.S. Treasury | $ | 5,051,587 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,051,587 |
Residential mortgage-backed securities | — |  |  | 6,376,236 |  |  | — |  |  | 6,376,236 |
States and political subdivisions | — |  |  | 6,773,355 |  |  | — |  |  | 6,773,355 |
Other | — |  |  | 42,427 |  |  | — |  |  | 42,427 |
Trading account securities: |  |  |  |  |  |  |
U.S. Treasury | 25,879 |  |  | — |  |  | — |  |  | 25,879 |
States and political subdivisions | — |  |  | 2,166 |  |  | — |  |  | 2,166 |
Derivative assets: |  |  |  |  |  |  |
Interest rate swaps, caps and floors | — |  |  | 86,793 |  |  | — |  |  | 86,793 |
Commodity swaps and options | — |  |  | 106,685 |  |  | — |  |  | 106,685 |
Foreign currency forward contracts | 11 |  |  | — |  |  | — |  |  | 11 |
Derivative liabilities: |  |  |  |  |  |  |
Interest rate swaps, caps and floors | — |  |  | 95,533 |  |  | — |  |  | 95,533 |
Commodity swaps and options | — |  |  | 105,392 |  |  | — |  |  | 105,392 |
Foreign currency forward contracts | 11 |  |  | — |  |  | — |  |  | 11 |
Impaired Loans Remeasured and Reported at Fair Value of Underlying Collateral | The following table presents collateral dependent loans that were remeasured and reported at fair value through a specific allocation of the allowance for credit losses on loans based upon the fair value of the underlying collateral:
| 2023 |  | 2022 |  | 2021
Level 2 |  |  |  |  |
Carrying value before allocations | $ | 19,719 |  |  | $ | 6,237 |  |  | $ | 1,333 |
Specific (allocations) reversals of prior allocations | (3,391) |  |  | (1,480) |  |  | 214 |
Fair value | $ | 16,328 |  |  | $ | 4,757 |  |  | $ | 1,547 |
Level 3 |  |  |  |  |
Carrying value before allocations | $ | 15,465 |  |  | $ | 8,156 |  |  | $ | 16,074 |
Specific (allocations) reversals of prior allocations | (2,344) |  |  | 625 |  |  | (5,178) |
Fair value | $ | 13,121 |  |  | $ | 8,781 |  |  | $ | 10,896 |
Estimated Fair Values of Financial Instruments | The estimated fair values of financial instruments that are reported at amortized cost in our consolidated balance sheets, segregated by the level of valuation inputs within the fair value hierarchy utilized to measure fair value, were as follows:
| December 31, 2023 |  | December 31, 2022
| Carrying Amount |  | Estimated Fair Value |  | Carrying Amount |  | Estimated Fair Value
Financial assets: |  |  |  |  |  |  |
Level 2 inputs: |  |  |  |  |  |  |
Cash and cash equivalents | $ | 8,687,276 |  |  | $ | 8,687,276 |  |  | $ | 12,028,132 |  |  | $ | 12,028,132 |
Securities held to maturity | 3,619,428 |  |  | 3,532,044 |  |  | 2,639,083 |  |  | 2,467,865 |
Accrued interest receivable | 251,385 |  |  | 251,385 |  |  | 243,682 |  |  | 243,682 |
Level 3 inputs: |  |  |  |  |  |  |
Loans, net | 18,578,255 |  |  | 18,117,369 |  |  | 16,927,348 |  |  | 16,343,417 |
Financial liabilities: |  |  |  |  |  |  |
Level 2 inputs: |  |  |  |  |  |  |
Deposits | 41,920,568 |  |  | 41,903,580 |  |  | 43,954,196 |  |  | 43,920,741 |
Federal funds purchased | 14,200 |  |  | 14,200 |  |  | 51,650 |  |  | 51,650 |
Repurchase agreements | 4,127,188 |  |  | 4,127,188 |  |  | 4,660,641 |  |  | 4,660,641 |
Junior subordinated deferrable interest debentures | 123,127 |  |  | 123,712 |  |  | 123,069 |  |  | 123,712 |
Subordinated notes | 99,491 |  |  | 96,071 |  |  | 99,335 |  |  | 97,014 |
Accrued interest payable | 61,222 |  |  | 61,222 |  |  | 18,444 |  |  | 18,444 |

X
- Definition Discloses the impaired loans measured and reported at fair value through specific valuation allowance allocation method for allowance for loan losses based upon the fair value of the underlying collateral Text Block. + References No definition available. + Details
Name: | cfr_ImpairedLoansRemeasuredAndReportedAtFairValueSpecificValuationAllowanceAllocationMethodOfUnderlyingCollateralTableTextBlock
Namespace Prefix: | cfr_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-11 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration