XML 93 R62.htm IDEA: XBRL DOCUMENT
v3.22.0.1

INVESTMENTS - Summary of Held-To-Maturity and Available-For-Sale Investment Securities (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Investment Holdings [Line Items] |  |
Total | $ 98,420 | $ 131,687
Held To Maturity unrecognized gain | 1,963 | 5,011
Held To Maturity unrecognized loss | 485 | 0
Held-to-Maturity Market Value | 99,898 | 136,698
Investment Securities, Available-for-sale, Amortized Cost, Total | 4,180,589 | 3,330,029
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 58,386 | 99,942
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (31,129) | (5,391)
Investment Securities, Available-for-sale | 4,207,846 | 3,424,580
U.S. Treasuries |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held To Maturity unrecognized gain | 0 | 0
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Investment Securities, Available-for-sale, Amortized Cost, Total | 34,961 | 99
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 4 | 4
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (189) | 0
Investment Securities, Available-for-sale | 34,776 | 103
Securities of U.S. government agencies and corporations |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held To Maturity unrecognized gain | 0 | 0
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Investment Securities, Available-for-sale, Amortized Cost, Total | 78,998 | 60
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 248 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (129) | 0
Investment Securities, Available-for-sale | 79,117 | 60
Mortgage-backed securities-residential |  |
Investment Holdings [Line Items] |  |
Total | 0 | 13,990
Held To Maturity unrecognized gain | 0 | 197
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 0 | 14,187
Investment Securities, Available-for-sale, Amortized Cost, Total | 728,050 | 704,482
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 6,635 | 15,938
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (10,548) | (237)
Investment Securities, Available-for-sale | 724,137 | 720,183
Mortgage-backed securities-commercial |  |
Investment Holdings [Line Items] |  |
Total | 46,362 | 71,737
Held To Maturity unrecognized gain | 651 | 3,485
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 47,013 | 75,222
Investment Securities, Available-for-sale, Amortized Cost, Total | 729,948 | 584,125
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 4,294 | 10,395
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (2,352) | (3,584)
Investment Securities, Available-for-sale | 731,890 | 590,936
Collateralized mortgage obligations |  |
Investment Holdings [Line Items] |  |
Total | 11,882 | 5,799
Held To Maturity unrecognized gain | 221 | 79
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 12,103 | 5,878
Investment Securities, Available-for-sale, Amortized Cost, Total | 696,258 | 634,418
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 7,979 | 21,148
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (6,497) | (445)
Investment Securities, Available-for-sale | 697,740 | 655,121
Obligations of state and other political subdivisions |  |
Investment Holdings [Line Items] |  |
Total | 8,926 | 9,911
Held To Maturity unrecognized gain | 915 | 1,239
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 9,841 | 11,150
Investment Securities, Available-for-sale, Amortized Cost, Total | 1,058,735 | 856,054
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 35,591 | 46,755
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (8,594) | (291)
Investment Securities, Available-for-sale | 1,085,732 | 902,518
Asset-backed Securities |  |
Investment Holdings [Line Items] |  |
Total | 0 | 0
Held To Maturity unrecognized gain | 0 | 0
Held To Maturity unrecognized loss | 0 | 0
Held-to-Maturity Market Value | 0 | 0
Investment Securities, Available-for-sale, Amortized Cost, Total | 720,638 | 478,539
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 1,521 | 4,158
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (2,578) | (826)
Investment Securities, Available-for-sale | 719,581 | 481,871
Other securities |  |
Investment Holdings [Line Items] |  |
Total | 31,250 | 30,250
Held To Maturity unrecognized gain | 176 | 11
Held To Maturity unrecognized loss | 485 | 0
Held-to-Maturity Market Value | 30,941 | 30,261
Investment Securities, Available-for-sale, Amortized Cost, Total | 133,001 | 72,252
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 2,114 | 1,544
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (242) | (8)
Investment Securities, Available-for-sale | $ 134,873 | $ 73,788

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
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_InvestmentHoldingsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

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

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

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