XML 13 R34.htm IDEA: XBRL DOCUMENT
v3.20.1

Investment Securities - Summary of Continuous Unrealized Loss Position of Securities (Detail) $ in Thousands | Dec. 31, 2019 USD ($)
--- | ---
Schedule of Investments [Line Items] |
Fair Value, Less Than 12 Months, Available-for-sale | $ 197,806
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale | (711)
Fair Value, 12 Months or Longer, Available-for-sale | 133,092
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale | (937)
Fair Value, Available-for-sale | 330,898
Gross Unrealized Holding Losses, Available-for-sale | (1,648)
Fair Value, Less Than 12 Months, Held-to-maturity | 70,250
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity | (442)
Fair Value, 12 Months or Longer, Held-to-maturity | 215,579
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity | (3,292)
Fair Value, Held-to-maturity | 285,829
Gross Unrealized Holding Losses, Held-to-maturity | (3,734)
CMO/REMIC [Member] |
Schedule of Investments [Line Items] |
Fair Value, Less Than 12 Months, Available-for-sale | 177,517
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale | (705)
Fair Value, 12 Months or Longer, Available-for-sale | 34,565
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale | (191)
Fair Value, Available-for-sale | 212,082
Gross Unrealized Holding Losses, Available-for-sale | (896)
Fair Value, Less Than 12 Months, Held-to-maturity | 23,897
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity | (104)
Fair Value, 12 Months or Longer, Held-to-maturity | 166,193
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity | (2,354)
Fair Value, Held-to-maturity | 190,090
Gross Unrealized Holding Losses, Held-to-maturity | (2,458)
Government Agency/GSE [Member] |
Schedule of Investments [Line Items] |
Fair Value, Less Than 12 Months, Held-to-maturity | 28,359
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity | (252)
Fair Value, 12 Months or Longer, Held-to-maturity | 19,405
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity | (405)
Fair Value, Held-to-maturity | 47,764
Gross Unrealized Holding Losses, Held-to-maturity | (657)
Mortgage-backed Securities [Member] |
Schedule of Investments [Line Items] |
Fair Value, Less Than 12 Months, Available-for-sale | 20,289
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale | (6)
Fair Value, 12 Months or Longer, Available-for-sale | 97,964
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale | (744)
Fair Value, Available-for-sale | 118,253
Gross Unrealized Holding Losses, Available-for-sale | (750)
Fair Value, Less Than 12 Months, Held-to-maturity | 10,411
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity | (54)
Fair Value, 12 Months or Longer, Held-to-maturity | 0
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity | 0
Fair Value, Held-to-maturity | 10,411
Gross Unrealized Holding Losses, Held-to-maturity | (54)
Municipal Bonds [Member] |
Schedule of Investments [Line Items] |
Fair Value, Less Than 12 Months, Available-for-sale | 0
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale | 0
Fair Value, 12 Months or Longer, Available-for-sale | 563
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale | (2)
Fair Value, Available-for-sale | 563
Gross Unrealized Holding Losses, Available-for-sale | (2)
Fair Value, Less Than 12 Months, Held-to-maturity | 7,583
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity | (32)
Fair Value, 12 Months or Longer, Held-to-maturity | 29,981
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity | (533)
Fair Value, Held-to-maturity | 37,564
Gross Unrealized Holding Losses, Held-to-maturity | $ (565)

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_ScheduleOfInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |