XML 54 R47.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Loans and Allowance for Credit Losses - Summary of Changes in Accretable Yields of Acquired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
PCD Loans [Member] |  |  |  |
Changes In Accretable Yield for PCI And Non PCI Loans [Line Items] |  |  |  |
Balance at beginning of period | $ 7,361 | $ 3,022 | $ 7,914 | $ 3,361
Additions | 4,558 | 8,336 | 4,558 | 8,336
Adjustments | (18) | (70) | (23) | (70)
Accretion | (2,394) | (1,178) | (2,942) | (1,517)
Balance at June 30, | 9,507 | 10,110 | 9,507 | 10,110
Non-PCD Loans [Member] |  |  |  |
Changes In Accretable Yield for PCI And Non PCI Loans [Line Items] |  |  |  |
Balance at beginning of period | 18,681 | 1,701 | 19,992 | 2,233
Additions | 20,378 | 22,593 | 20,378 | 22,593
Adjustments | (12) |  | (11) |
Accretion | (4,797) | (1,242) | (6,109) | (1,774)
Balance at June 30, | $ 34,250 | $ 23,052 | $ 34,250 | $ 23,052

X
- Definition Certain loan acquired in transfer not accounted for as debt securities accretable yield. + References No definition available. + Details
Name: | pb_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield
Namespace Prefix: | pb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Certain loan acquired in transfer not accounted for as debt securities accretable yield accretion. + References No definition available. + Details
Name: | pb_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion
Namespace Prefix: | pb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Certain loan acquired in transfer not accounted for as debt securities accretable yield additions. + References No definition available. + Details
Name: | pb_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions
Namespace Prefix: | pb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Certain loan acquired in transfer not accounted for as debt securities accretable yield reclassifications to from nonaccretable difference. + References No definition available. + Details
Name: | pb_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference
Namespace Prefix: | pb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Changes in accretable yield for PCI and Non PCI loans. + References No definition available. + Details
Name: | pb_ChangesInAccretableYieldForPciAndNonPciLoansLineItems
Namespace Prefix: | pb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |