XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.21.2

Share-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Stock Compensation Expense | The following table summarizes stock option compensation expense for the nine months ended September 30, 2021 and 2020:
|  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |
Total share-based compensation - stock options |  | $ | — |  |  | $ | 7 |
Income tax benefit |  |  | — |  |  |  | 2 |
Unrecognized compensation expense - stock options |  |  | — |  |  |  | — |
Weighted-average amortization period remaining |  | 0.0 years |  |  | 0.0 years |
Restricted Shares |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Stock Compensation Expense | The following table summarizes restricted stock compensation expense for the nine months ended September 30, 2021 and 2020:
|  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |
Total share-based compensation - restricted stock |  | $ | 2,966 |  |  | $ | 2,019 |
Income tax benefit |  |  | 826 |  |  |  | 562 |
Unrecognized compensation expense |  |  | 7,840 |  |  |  | 5,566 |
Weighted-average amortization period remaining |  | 2.4 years |  |  | 2.4 years |
Omnibus Plan |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Changes in Restricted Shares | The following table discloses the changes in restricted shares for the nine months ended September 30, 2021:
|  | Omnibus Plan |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Beginning balance, January 1, 2021 |  |  | 383,539 |  |  | $ | 18.75 |
Granted |  |  | 308,452 |  |  |  | 19.38 |
Vested |  |  | (103,187 | ) |  |  | 19.52 |
Forfeited |  |  | (9,740 | ) |  |  | 20.58 |
Ending balance outstanding at September 30, 2021 |  |  | 579,064 |  |  | $ | 18.92 |
BYB Plan |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Activity in shares Subjected to Options and Weighted Average Exercise Prices | The following table discloses the activity in shares subject to options and the weighted average exercise prices, in actual dollars, for the nine months ended September 30, 2021:
|  | BYB Plan |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Intrinsic Value |  |  | Weighted Average Remaining Contractual Term (in Years) |
Beginning balance, January 1, 2021 |  |  | 1,390,579 |  |  | $ | 11.36 |  |  | $ | 5,724 |  |  |  | 4.4 |
Exercised |  |  | (46,031 | ) |  |  | 13.66 |  |  | $ | 359 |  |  |  |
Expired |  |  | — |  |  |  |  |  |  |  |  |  |
Ending balance outstanding at September 30, 2021 |  |  | 1,344,548 |  |  | $ | 11.28 |  |  | $ | 17,851 |  |  |  | 3.7 |
Exercisable at September 30, 2021 |  |  | 1,344,548 |  |  | $ | 11.28 |  |  | $ | 17,851 |  |  |  | 3.7 |
FEB Plan |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Activity in shares Subjected to Options and Weighted Average Exercise Prices | The following table discloses the activity in shares subject to options under the FEB Plan and the weighted average exercise prices, in actual dollars, for the nine months ended September 30, 2021:
|  | FEB Plan |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Intrinsic Value |  |  | Weighted Average Remaining Contractual Term (in Years) |
Beginning balance, January 1, 2021 |  |  | 233,630 |  |  | $ | 11.52 |  |  | $ | 918 |  |  |  | 3.3 |
Exercised |  |  | (46,774 | ) |  | $ | 11.55 |  |  | $ | 313 |  |  |  |
Expired |  |  | — |  |  |  |  |  |  |  |  |  |
Ending balance outstanding at September 30, 2021 |  |  | 186,856 |  |  | $ | 11.52 |  |  | $ | 2,437 |  |  |  | 3.3 |
Exercisable at September 30, 2021 |  |  | 186,856 |  |  | $ | 11.52 |  |  | $ | 2,437 |  |  |  | 3.3 |

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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=by_OmnibusPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=by_BYBPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=by_FirstEvanstonBancorpIncStockIncentivePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |