XML 95 R77.htm IDEA: XBRL DOCUMENT
v3.22.2

Commitments and Contingencies Commitments and Contingencies - Components of Lease Commitments Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Operating Lease, Right-of-Use Asset, Amortization Expense | $ 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 operating lease expense, excluding rent | $ 11,447 | $ 10,996 | $ 23,185 | $ 22,487

X
- Definition Operating lease non-lease components. Including items such as taxes, insurance, and common area maintenance costs. + References No definition available. + Details
Name: | cfr_OperatingLeaseNonLeaseComponents
Namespace Prefix: | cfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Short term operating lease rent expense + References No definition available. + Details
Name: | cfr_Shorttermoperatingleaserentexpense
Namespace Prefix: | cfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total operating lease expense, excluding rent + References No definition available. + Details
Name: | cfr_Totaloperatingleaseexpenseexcludingrent
Namespace Prefix: | cfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Amount of amortization expense for right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration