XML 30 R19.htm IDEA: XBRL DOCUMENT
v3.24.3

Investment Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Amortized Cost and Fair Values of Investments in Debt Securities | The following table summarizes the amortized cost, fair value, and allowance for credit losses and the corresponding amounts of gross unrealized gains and losses of available-for-sale securities recognized in accumulated other comprehensive income (loss) and gross unrecognized gains and losses of held-to-maturity securities:
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Allowance for Credit Losses
| (dollars in thousands; unaudited) |  |
September 30, 2024 |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |
U.S. Agency collateralized mortgage obligations | $ | 40 |  |  | $ | — |  |  | $ | (2) |  |  | $ | 38 |  |  | $ | — |
Total available-for-sale securities | 40 |  |  | — |  |  | (2) |  |  | 38 |  |  | — |
Held-to-maturity |  |  |  |  |  |  |  |  |
U.S. Agency residential mortgage-backed securities | 48,582 |  |  | 711 |  |  | (134) |  |  | 49,159 |  |  | — |
Total investment securities | $ | 48,622 |  |  | $ | 711 |  |  | $ | (136) |  |  | $ | 49,197 |  |  | $ | — |
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Allowance for Credit Losses
| (dollars in thousands; unaudited)
December 31, 2023 |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | 99,996 |  |  | $ | — |  |  | $ | (535) |  |  | $ | 99,461 |  |  | $ | — |
U.S. Agency collateralized mortgage obligations | 45 |  |  | — |  |  | (2) |  |  | 43 |  |  | — |
Total available-for-sale securities | 100,041 |  |  | — |  |  | (537) |  |  | 99,504 |  |  | — |
Held-to-maturity |  |  |  |  |  |  |  |  |
U.S. Agency residential mortgage-backed securities | 50,860 |  |  | 467 |  |  | (286) |  |  | 51,041 |  |  | — |
Total investment securities | $ | 150,901 |  |  | $ | 467 |  |  | $ | (823) |  |  | $ | 150,545 |  |  | $ | — |
Amortized Cost and Fair Value of Debt Securities by Contractual Maturity |
| Available-for-Sale |  | Held-to-Maturity
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
| (dollars in thousands; unaudited)
September 30, 2024 |  |  |  |  |  |  |
U.S. Agency residential mortgage-backed securities and collateralized mortgage obligations | 40 |  |  | 38 |  |  | 48,582 |  |  | 49,159 |
| $ | 40 |  |  | $ | 38 |  |  | $ | 48,582 |  |  | $ | 49,159 |
Summary of Investment Securities Continuous Unrealized Loss Position | The following table shows the investments’ gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position for which an allowance for credit losses has not been recorded:
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
| (dollars in thousands; unaudited)
September 30, 2024 |  |  |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |
U.S. Agency collateralized mortgage obligations | $ | — |  |  | $ | — |  |  | $ | 38 |  |  | $ | 2 |  |  | $ | 38 |  |  | $ | 2 |
Total available-for-sale securities | — |  |  | — |  |  | 38 |  |  | 2 |  |  | 38 |  |  | 2 |
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |
U.S. Agency residential mortgage-backed securities | — |  |  | — |  |  | 11,212 |  |  | 134 |  |  | 11,212 |  |  | 134 |
Total investment securities | $ | — |  |  | $ | — |  |  | $ | 11,250 |  |  | $ | 136 |  |  | $ | 11,250 |  |  | $ | 136 |
| Less Than 12 Months |  | 12 Months or Greater |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
| (dollars in thousands; unaudited)
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities | $ | — |  |  | $ | — |  |  | $ | 99,461 |  |  | $ | 535 |  |  | $ | 99,461 |  |  | $ | 535 |
U.S. Agency collateralized mortgage obligations | — |  |  | — |  |  | 43 |  |  | 2 |  |  | 43 |  |  | 2 |
Total available-for-sale securities | — |  |  | — |  |  | 99,504 |  |  | 537 |  |  | 99,504 |  |  | 537 |
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |
U.S. Agency residential mortgage-backed securities | 11,236 |  |  | 173 |  |  | 882 |  |  | 113 |  |  | 12,118 |  |  | 286 |
Total investment securities | $ | 11,236 |  |  | $ | 173 |  |  | $ | 100,386 |  |  | $ | 650 |  |  | $ | 111,622 |  |  | $ | 823 |

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
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 Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration