XML 79 R69.htm IDEA: XBRL DOCUMENT
v3.22.1

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Loans Modified as Troubled Debt Restructurings (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Receivables [Abstract] |  |
Beginning balance | $ 1,927 | $ 2,495
Additions | 0 | 281
Net payments | (471) | (57)
Net transfers from non-accrual | 0 | 0
Ending balance | 1,456 | 2,719
Beginning balance | 1,506 | 5,650
Additions | 0 | 673
Net payments | (163) | (343)
Charge-offs | 0 | (395)
Net transfers to accrual | 0 | 0
Ending balance | 1,343 | 5,585
Total troubled debt restructurings | $ 2,799 | $ 8,304

X
- Definition Financing receivable modification net transfers from (to) accrual. + References No definition available. + Details
Name: | by_FinancingReceivableModificationNetTransfersFromToAccrual
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable modification net transfers from (to) non accrual. + References No definition available. + Details
Name: | by_FinancingReceivableModificationNetTransfersFromToNonAccrual
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable, modifications, accruing additions. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsAccruingAdditions
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable, modifications, accruing net payments. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsAccruingNetPayments
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing receivable, modifications, non-accruing additions. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsNonAccruingAdditions
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable, modifications, non-accruing charge-offs. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsNonAccruingChargeOffs
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing receivable, modifications, non-accruing net payments. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsNonAccruingNetPayments
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing receivable, modifications, recorded investment, accruing. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsRecordedInvestmentAccruing
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivable, modifications, recorded investment, non-accruing. + References No definition available. + Details
Name: | by_FinancingReceivableModificationsRecordedInvestmentNonAccruing
Namespace Prefix: | by_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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