XML 62 R44.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Share-based Compensation and Other Employment Benefit Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Share-based Compensation, Allocation of Recognized Period Costs | Total share-based compensation expense recognized for 2023, 2022, and 2021 is presented in the following table by its classification within total non-interest expense.
| Years Ended December 31,
(in thousands) | 2023 |  | 2022 |  | 2021
Salaries and other personnel expense | $ | 30,610 |  |  | $ | 26,751 |  |  | $ | 26,957 |
Other operating expense | 1,614 |  |  | 1,153 |  |  | 838 |
Total share-based compensation expense included in non-interest expense | $ | 32,224 |  |  | $ | 27,904 |  |  | $ | 27,795 |
Schedule of Stock Options Activity | A summary of stock option activity and changes during the years ended December 31, 2023, 2022, and 2021 is presented below.
Stock Options |  |  |  |  |  |  |  |  |
| 2023 |  | 2022 |  | 2021
(in thousands, except per share data) | Quantity |  | Weighted-Average Exercise Price |  | Quantity |  | Weighted-Average Exercise Price |  | Quantity |  | Weighted-Average Exercise Price
Outstanding at beginning of year | 1,113 |  |  | $ | 23.51 |  |  | 1,478 |  |  | $ | 22.71 |  |  | 2,401 |  |  | $ | 22.47 |
Options exercised | (697) |  |  | 18.97 |  |  | (365) |  |  | 20.27 |  |  | (923) |  |  | 22.07 |
Options forfeited/expired/canceled | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Options outstanding at end of year | 416 |  |  | $ | 31.13 |  |  | 1,113 |  |  | $ | 23.51 |  |  | 1,478 |  |  | $ | 22.71 |
Options exercisable at end of year | 416 |  |  | $ | 31.13 |  |  | 1,113 |  |  | $ | 23.51 |  |  | 1,478 |  |  | $ | 22.71 |
Schedule of Measuring Compensation Expense | The fair value of performance share units, which include a market condition, was estimated on the date of grant using a Monte Carlo simulation model with the following weighted average assumptions:
|  | 2023 |  | 2022 |  | 2021
Risk-free interest rate |  | 4.38 | % |  | 2.87 | % |  | 2.87 | %
Expected stock price volatility |  | 48.3 |  |  | 57.2 |  |  | 56.1 |
Simulation period |  | 2.9 years |  | 2.9 years |  | 2.9 years
Schedule of Restricted Stock Units Activity | A summary of restricted share units and performance share units outstanding and changes during the years ended December 31, 2023, 2022, and 2021 is presented below.
|  | Restricted Share Units |  | Performance Share Units
(in thousands, except per share data) |  | Quantity |  | Weighted-Average Grant Date Fair Value |  | Quantity |  | Weighted-Average Grant Date Fair Value
Outstanding at December 30, 2020 |  | 1,221 |  |  | $ | 34.50 |  |  | 439 |  |  | $ | 39.37 |
Granted |  | 599 |  |  | 42.31 |  |  | 141 |  |  | 42.94 |
Vested |  | (482) |  |  | 37.05 |  |  | (58) |  |  | 42.43 |
Forfeited |  | (93) |  |  | 31.41 |  |  | — |  |  | — |
Outstanding at December 31, 2021 |  | 1,245 |  |  | 37.00 |  |  | 522 |  |  | 37.59 |
Granted |  | 608 |  |  | 48.14 |  |  | 29 |  |  | 54.76 |
Vested |  | (571) |  |  | 36.98 |  |  | (45) |  |  | 38.86 |
Forfeited |  | (58) |  |  | 42.21 |  |  | (34) |  |  | 43.06 |
Outstanding at December 31, 2022 |  | 1,224 |  |  | 41.80 |  |  | 472 |  |  | 44.11 |
Granted |  | 807 |  |  | 41.04 |  |  | 192 |  |  | 46.18 |
Vested |  | (654) |  |  | 38.47 |  |  | (170) |  |  | 35.75 |
Forfeited |  | (84) |  |  | 45.18 |  |  | — |  |  | — |
Outstanding at December 31, 2023 |  | 1,293 |  |  | $ | 42.90 |  |  | 494 |  |  | $ | 47.16 |

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 allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration