XML 12 R39.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock-Based Compensation Plans Activity | A combined summary of activity in our active stock-based compensation plans is presented in the following table.
|  |  |  |  | Non-Vested Stock Awards/Stock Units Outstanding |  | Stock Options Outstanding
| Shares Available for Grant |  | Director Deferred Stock Units Outstanding |  | Number of Shares |  | Weighted- Average Grant-Date Fair Value |  | Number of Shares |  | Weighted- Average Exercise Price
Balance, January 1, 2015 | 1,973,427 |  |  | 38,867 |  |  | 175,490 |  |  | $ | 60.55 |  |  | 5,029,882 |  |  | $ | 58.99 |
Authorized | 515,000 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Granted | (6,576 | ) |  | 6,576 |  |  | — |  |  | — |  |  | — |  |  | — |
Stock options exercised | — |  |  | — |  |  | — |  |  | — |  |  | (227,851 | ) |  | 51.92 |
Stock awards vested | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Forfeited | 20,482 |  |  | — |  |  | — |  |  | — |  |  | (20,482 | ) |  | 66.54 |
Canceled | (11,309 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Expired | — |  |  | — |  |  | — |  |  | — |  |  | (774 | ) |  | 71.39 |
Balance, September 30, 2015 | 2,491,024 |  |  | 45,443 |  |  | 175,490 |  |  | $ | 60.55 |  |  | 4,780,775 |  |  | $ | 59.29 |
Shares Issues in Connection with Stock Compensation Awards | Shares issued in connection with stock compensation awards along with other related information were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
New shares issued from available authorized shares | — |  |  | — |  |  | — |  |  | — |
Issued from available treasury stock | 56,377 |  |  | 106,900 |  |  | 227,851 |  |  | 491,675 |
Total | 56,377 |  |  | 106,900 |  |  | 227,851 |  |  | 491,675 |
Proceeds from stock option exercises | $ | 2,880 |  |  | $ | 5,464 |  |  | $ | 11,830 |  |  | $ | 25,573 |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan | Stock-based compensation expense was as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Stock options | $ | 2,075 |  |  | $ | 1,877 |  |  | $ | 6,269 |  |  | $ | 5,401 |
Non-vested stock awards/stock units | 267 |  |  | 365 |  |  | 930 |  |  | 1,097 |
Deferred stock units | — |  |  | — |  |  | 480 |  |  | 440 |
Total | $ | 2,342 |  |  | $ | 2,242 |  |  | $ | 7,679 |  |  | $ | 6,938 |
Unrecognized Stock-Based Compensation Expense | Unrecognized stock-based compensation expense at September 30, 2015 was as follows:
Stock options | $ | 15,521 |
Non-vested stock awards/stock units | 1,507 |
Total | $ | 17,028 |

X
- Definition This element discloses the activity the shares issued in connection with stock compensation awards and other information + References No definition available. + Details
Name: | cfr_ScheduleOfSharesIssuedinConnectionWithStockCompensationAwardsTableTextBlock
Namespace Prefix: | cfr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration