XML 50 R40.htm IDEA: XBRL DOCUMENT
v3.22.1

Commitments and Contingent Liabilities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract] |
Summary of Contract or Notional Amount of Outstanding Loan and Lease Commitments | The following table summarizes the contract or notional amount of outstanding loan and lease commitments at March 31, 2022 and December 31, 2021:
|  | March 31, 2022 |  |  | December 31, 2021 |
|  | Fixed Rate |  |  | Variable Rate |  |  | Total |  |  | Fixed Rate |  |  | Variable Rate |  |  | Total |
Commitments to extend credit |  | $ | 247,494 |  |  | $ | 1,666,980 |  |  | $ | 1,914,474 |  |  | $ | 176,014 |  |  | $ | 1,578,405 |  |  | $ | 1,754,419 |
Letters of credit |  |  | 579 |  |  |  | 57,745 |  |  |  | 58,324 |  |  |  | 599 |  |  |  | 58,543 |  |  |  | 59,142 |
Total |  | $ | 248,073 |  |  | $ | 1,724,725 |  |  | $ | 1,972,798 |  |  | $ | 176,613 |  |  | $ | 1,636,948 |  |  | $ | 1,813,561 |

X
- Definition Schedule of contract or notional amount of outstanding loan and lease commitments. + References No definition available. + Details
Name: | by_ScheduleOfContractOrNotionalAmountOfOutstandingLoanAndLeaseCommitmentsTableTextBlock
Namespace Prefix: | by_
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