XML 36 R24.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

INVESTMENTS (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Summary of Amortized Costs and Estimated Fair Values of Available-For-Sale Securities | The following table summarizes the amortized cost, estimated fair value, and unrealized gains (losses) of AFS debt securities, as of the dates indicated:
(In thousands) |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
March 31, 2024 |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | 5,426 |  |  | $ | 2 |  |  | $ | (58) |  |  | $ | 5,370 |
Mortgage-backed securities issued or guaranteed by U.S. government-sponsored enterprises |  | 514,054 |  |  | 333 |  |  | (72,381) |  |  | 442,006 |
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises |  | 144,102 |  |  | 490 |  |  | (9,795) |  |  | 134,797 |
Corporate bonds |  | 21,681 |  |  | — |  |  | (2,278) |  |  | 19,403 |
Total AFS debt securities |  | $ | 685,263 |  |  | $ | 825 |  |  | $ | (84,512) |  |  | $ | 601,576 |
December 31, 2023 |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | 6,429 |  |  | $ | 1 |  |  | $ | (44) |  |  | $ | 6,386 |
MBS issued or guaranteed by U.S. government-sponsored enterprises |  | 525,439 |  |  | 630 |  |  | (65,978) |  |  | 460,091 |
CMO issued or guaranteed by U.S. government-sponsored enterprises |  | 149,387 |  |  | 1,161 |  |  | (9,537) |  |  | 141,011 |
Corporate bonds |  | 21,682 |  |  | 1 |  |  | (3,363) |  |  | 18,320 |
Total AFS debt securities |  | $ | 702,937 |  |  | $ | 1,793 |  |  | $ | (78,922) |  |  | $ | 625,808 |
The following table summarizes the Company's investment in FHLBB stock and FRB stock as presented within other investments on the consolidated statements of condition, as of the dates indicated:
(In thousands) |  | March 31, 2024 |  | December 31, 2023
FHLBB |  | $ | 11,018 |  |  | $ | 10,020 |
FRB |  | 5,374 |  |  | 5,374 |
Total other investments |  | $ | 16,392 |  |  | $ | 15,394 |
Debt Securities, Available-for-Sale |
Unrealized Gross Losses and Estimated Fair Values of Investment Securities by Length of Time that Individual Securities in Each Category in Continuous Loss Position | The following table presents the Company's AFS debt securities with gross unrealized losses, for which an ACL has not been recorded, segregated by the length of time the securities have been in a continuous loss position, as of the dates indicated:
|  |  |  | Less Than 12 Months |  | 12 Months or More |  | Total
(In thousands, except number of holdings) |  | Number of Holdings |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | 7 |  |  | $ | 1,434 |  |  | $ | (16) |  |  | $ | 2,233 |  |  | $ | (42) |  |  | $ | 3,667 |  |  | $ | (58) |
MBS issued or guaranteed by U.S. government-sponsored enterprises |  | 144 |  |  | 27,229 |  |  | (40) |  |  | 390,388 |  |  | (72,341) |  |  | 417,617 |  |  | (72,381) |
CMO issued or guaranteed by U.S. government-sponsored enterprises |  | 41 |  |  | 9,581 |  |  | (27) |  |  | 60,851 |  |  | (9,768) |  |  | 70,432 |  |  | (9,795) |
Corporate bonds |  | 12 |  |  | 995 |  |  | (5) |  |  | 18,408 |  |  | (2,273) |  |  | 19,403 |  |  | (2,278) |
Total AFS debt securities |  | 204 |  |  | $ | 39,239 |  |  | $ | (88) |  |  | $ | 471,880 |  |  | $ | (84,424) |  |  | $ | 511,119 |  |  | $ | (84,512) |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | 6 |  |  | $ | 2,345 |  |  | $ | (6) |  |  | $ | 1,437 |  |  | $ | (38) |  |  | $ | 3,782 |  |  | $ | (44) |
MBS issued or guaranteed by U.S. government-sponsored enterprises |  | 145 |  |  | 13,474 |  |  | (23) |  |  | 407,200 |  |  | (65,955) |  |  | 420,674 |  |  | (65,978) |
CMO issued or guaranteed by U.S. government-sponsored enterprises |  | 43 |  |  | 19,620 |  |  | (45) |  |  | 62,869 |  |  | (9,492) |  |  | 82,489 |  |  | (9,537) |
Corporate bonds |  | 11 |  |  | — |  |  | — |  |  | 17,319 |  |  | (3,363) |  |  | 17,319 |  |  | (3,363) |
Total AFS debt securities |  | 205 |  |  | $ | 35,439 |  |  | $ | (74) |  |  | $ | 488,825 |  |  | $ | (78,848) |  |  | $ | 524,264 |  |  | $ | (78,922) |
Contractual Obligation, Fiscal Year Maturity | The amortized cost and estimated fair values of the Company's AFS debt securities by contractual maturity at March 31, 2024, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Mortgage-related securities are shown in total, as their maturities are highly variable.
(In thousands) |  | Amortized Cost |  | Fair Value
Due in one year or less |  | $ | — |  |  | $ | — |
Due after one year through five years |  | 10,833 |  |  | 9,993 |
Due after five years through ten years |  | 16,274 |  |  | 14,780 |
Due after ten years |  | — |  |  | — |
Subtotal |  | 27,107 |  |  | 24,773 |
Mortgage-related securities |  | 658,156 |  |  | 576,803 |
Total |  | $ | 685,263 |  |  | $ | 601,576 |
Debt Securities, Held-to-maturity | The following table summarizes the amortized cost, estimated fair value and unrealized gains (losses) of HTM debt securities as of the dates indicated:
(In thousands) |  | Amortized Cost(1) |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
March 31, 2024 |  |  |  |  |  |  |  |
Obligations of U.S. government-sponsored enterprises |  | $ | 7,627 |  |  | $ | — |  |  | $ | (641) |  |  | $ | 6,986 |
Obligations of states and political subdivisions |  | 56,333 |  |  | 331 |  |  | (884) |  |  | 55,780 |
MBS issued or guaranteed by U.S. government-sponsored enterprises |  | 302,177 |  |  | — |  |  | (28,030) |  |  | 274,147 |
CMO issued or guaranteed by U.S. government-sponsored enterprises |  | 155,040 |  |  | 249 |  |  | (14,156) |  |  | 141,133 |
Corporate bonds |  | 19,172 |  |  | 515 |  |  | (1,216) |  |  | 18,471 |
Total HTM debt securities |  | $ | 540,349 |  |  | $ | 1,095 |  |  | $ | (44,927) |  |  | $ | 496,517 |
December 31, 2023 |  |  |  |  |  |  |  |
Obligations of U.S. government-sponsored enterprises |  | $ | 7,593 |  |  | $ | — |  |  | $ | (528) |  |  | $ | 7,065 |
Obligations of states and political subdivisions |  | 56,262 |  |  | 1,242 |  |  | (731) |  |  | 56,773 |
MBS issued or guaranteed by U.S. government-sponsored enterprises |  | 304,850 |  |  | — |  |  | (21,623) |  |  | 283,227 |
CMO issued or guaranteed by U.S. government-sponsored enterprises |  | 157,118 |  |  | 515 |  |  | (13,497) |  |  | 144,136 |
Corporate bonds |  | 19,108 |  |  | 1,377 |  |  | (1,091) |  |  | 19,394 |
Total HTM debt securities |  | $ | 544,931 |  |  | $ | 3,134 |  |  | $ | (37,470) |  |  | $ | 510,595 |
(1) Amortized cost presented above includes unamortized unrealized losses from the aforementioned transfer from AFS to HTM securities as of March 31, 2024 and December 31, 2023, as follows: (1) $958,000 and $992,000 in obligations of U.S. government-sponsored enterprises, (2) $5.5 million and $5.6 million in obligations of state and political subdivisions, (3) $33.7 million and $34.6 million in MBS, (4) $17.9 million and $18.4 million in CMO, and (5) $78,000 and $85,000 in corporate bonds, respectively.
Amortized Cost and Estimated Fair Values of Debt Securities by Contractual Maturity | The following table presents the activity in the ACL on HTM debt securities for the periods indicated:
|  | March 31,
(In thousands) |  | 2024 |  | 2023
Beginning balance |  | $ | — |  |  | $ | — |
HTM debt securities recovered (charged-off) |  | 910 |  |  | (1,838) |
(Credit) provision on HTM debt securities |  | (910) |  |  | 1,838 |
Ending balance |  | $ | — |  |  | $ | — |
The amortized cost and estimated fair values of HTM debt securities by contractual maturity at March 31, 2024 are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Mortgage-related securities are shown in total, as their maturities are highly variable.
(In thousands) |  | Amortized Cost |  | Fair Value
Due in one year or less |  | $ | 502 |  |  | $ | 498 |
Due after one year through five years |  | 1,790 |  |  | 1,798 |
Due after five years through ten years |  | 37,471 |  |  | 36,110 |
Due after ten years |  | 43,369 |  |  | 42,831 |
Subtotal |  | 83,132 |  |  | 81,237 |
Mortgage-related securities |  | 457,217 |  |  | 415,280 |
Total |  | $ | 540,349 |  |  | $ | 496,517 |

X
- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (S-X 210.12-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
Name: | srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure 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/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 13: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 16: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 17: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B Reference 18: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-5B + Details
Name: | us-gaap_HeldToMaturitySecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration