XML 51 R33.htm IDEA: XBRL DOCUMENT
v3.22.2

Commitments and Contingencies (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
Commitments and Contingencies Disclosure [Abstract] |
Financial Instruments with Off-Balance-Sheet Risk | Financial instruments with off-balance-sheet risk were as follows:
| June 30, 2022 |  | December 31, 2021
Commitments to extend credit | $ | 10,771,940 |  |  | $ | 10,420,142 |
Standby letters of credit | 327,847 |  |  | 238,690 |
Deferred standby letter of credit fees | 1,890 |  |  | 2,072 |
Commitments, Off-Balance-Sheet, Allowance for Credit Losses [Table Text Block] | The following table details activity in the allowance for credit losses on off-balance-sheet credit exposures.
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Beginning balance | $ | 45,850 |  |  | $ | 44,217 |  |  | $ | 50,314 |  |  | $ | 44,152 |
Credit loss expense (benefit) | 4,396 |  |  | 4,379 |  |  | (68) |  |  | 4,444 |
Ending balance | $ | 50,246 |  |  | $ | 48,596 |  |  | $ | 50,246 |  |  | $ | 48,596 |
Lease Commitments, Components of Lease Expense [Table Text Block] | We lease certain office facilities and office equipment under operating leases. The components of total lease expense were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Amortization of lease right-of-use assets | $ | 8,209 |  |  | $ | 8,129 |  |  | $ | 16,314 |  |  | $ | 16,412 |
Short-term lease expense | 490 |  |  | 530 |  |  | 1,103 |  |  | 734 |
Non-lease components (including taxes, insurance, common maintenance, etc.) | 2,748 |  |  | 2,337 |  |  | 5,768 |  |  | 5,341 |
Total | $ | 11,447 |  |  | $ | 10,996 |  |  | $ | 23,185 |  |  | $ | 22,487 |

X
- Definition [Table Text Block] for Commitments, Off-Balance-Sheet, Allowance for Credit Losses [Table] + References No definition available. + Details
Name: | cfr_CommitmentsOffBalanceSheetAllowanceforCreditLossesTableTextBlock
Namespace Prefix: | cfr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Table Text Block] for Lease Commitments, Components of Lease Expense [Table] + References No definition available. + Details
Name: | cfr_LeaseCommitmentsComponentsofLeaseExpenseTableTextBlock
Namespace Prefix: | cfr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- 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
Name: | us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration