XML 39 R29.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Investment Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Investment Securities |
Schedule of amortized cost and approximate fair values, together with gross unrealized gains and losses |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2024
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ | ​ | (In thousands)
Securities available for sale: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Treasury notes | ​ | $ | 109,146 | ​ | $ | 15 | ​ | $ | 58 | ​ | $ | 109,103
Federal agencies | ​ |  | 240,000 | ​ |  | — | ​ |  | 1,499 | ​ |  | 238,501
Mortgage-backed - Government Agency ("Agency") (2) - multi-family | ​ | ​ | 13,044 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 13,044
Mortgage-backed - Non-Agency residential - fair value option (1) | ​ | ​ | 472,192 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 472,192
Mortgage-backed - Agency - residential - fair value option (1) | ​ | ​ | 228,448 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 228,448
Total securities available for sale | ​ | $ | 1,062,830 | ​ | $ | 15 | ​ | $ | 1,557 | ​ | $ | 1,061,288
Securities held to maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage-backed - Non-Agency - multi-family | ​ | $ | 710,024 | ​ | $ | — | ​ | $ | 419 | ​ | $ | 709,605
Mortgage-backed - Non-Agency - residential | ​ | ​ | 453,167 | ​ | ​ | 2,385 | ​ | ​ | 87 | ​ | ​ | 455,465
Mortgage-backed - Agency | ​ | ​ | 11,976 | ​ | ​ | — | ​ | ​ | 868 | ​ | ​ | 11,108
Total securities held to maturity | ​ | $ | 1,175,167 | ​ | $ | 2,385 | ​ | $ | 1,374 | ​ | $ | 1,176,178
​
| (1) | For fair value option securities, the amortized cost reflects the carrying value, which is also equal to the fair value.
| (2) | Agency includes government sponsored agencies, such as Federal National Mortgage Association (“Fannie Mae”), Federal Home Loan Mortgage Corporation (“Freddie Mac”), and Government National Mortgage Association (“Ginnie Mae”).
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
​ |  | Cost |  | Gains |  | Losses |  | Value
​ | ​ | (In thousands)
Securities available for sale: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Treasury notes | ​ | $ | 129,261 | ​ | $ | 45 | ​ | $ | 338 | ​ | $ | 128,968
Federal agencies | ​ |  | 250,731 | ​ |  | — | ​ |  | 2,976 | ​ |  | 247,755
Mortgage-backed - Government Agency ("Agency") (2) - multi-family | ​ | ​ | 14,465 | ​ | ​ | 5 | ​ | ​ | 3 | ​ | ​ | 14,467
Mortgage-backed - Non-Agency residential - fair value option (1) | ​ | ​ | 485,500 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 485,500
Mortgage-backed - Agency - residential - fair value option (1) | ​ | ​ | 236,997 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 236,997
Total securities available for sale | ​ | $ | 1,116,954 | ​ | $ | 50 | ​ | $ | 3,317 | ​ | $ | 1,113,687
Securities held to maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage-backed - Non-Agency - multi-family | ​ | $ | 719,662 | ​ | $ | — | ​ | $ | 415 | ​ | $ | 719,247
Mortgage-backed - Non-Agency - residential | ​ | ​ | 472,539 | ​ | ​ | 973 | ​ | ​ | 418 | ​ | ​ | 473,094
Mortgage-backed - Agency | ​ | ​ | 12,016 | ​ | ​ | — | ​ | ​ | 822 | ​ | ​ | 11,194
Total securities held to maturity | ​ | $ | 1,204,217 | ​ | $ | 973 | ​ | $ | 1,655 | ​ | $ | 1,203,535
​
| (1) | For fair value option securities, the amortized cost reflects the carrying value, which is also equal to the fair value.
| (2) | Agency includes government sponsored agencies, such as Fannie Mae, Freddie Mac, and Ginnie Mae.
Schedule of amortized cost and fair value of available-for-sale securities and held to maturity securities by contractual maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2024 | ​ | December 31, 2023
​ | ​ | Amortized | ​ | Fair | ​ | Amortized | ​ | Fair
​ |  | Cost |  | Value |  | Cost |  | Value
Securities available for sale: | ​ | (In thousands)
Within one year | ​ | $ | 209,146 | ​ | $ | 207,796 | ​ | $ | 308,474 | ​ | $ | 305,406
After one through five years | ​ |  | 140,000 | ​ |  | 139,808 | ​ |  | 71,518 | ​ |  | 71,317
​ | ​ |  | 349,146 | ​ |  | 347,604 | ​ |  | 379,992 | ​ |  | 376,723
Mortgage-backed - Agency | ​ | ​ | 13,044 | ​ | ​ | 13,044 | ​ | ​ | 14,465 | ​ | ​ | 14,467
Mortgage-backed - Non-Agency residential - fair value option | ​ | ​ | 472,192 | ​ | ​ | 472,192 | ​ | ​ | 485,500 | ​ | ​ | 485,500
Mortgage-backed - Agency - residential - fair value option | ​ | ​ | 228,448 | ​ | ​ | 228,448 | ​ | ​ | 236,997 | ​ | ​ | 236,997
​ | ​ | $ | 1,062,830 | ​ | $ | 1,061,288 | ​ | $ | 1,116,954 | ​ | $ | 1,113,687
Securities held to maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage-backed - Non-Agency - multi-family | ​ | $ | 710,024 | ​ | $ | 709,605 | ​ | $ | 719,662 | ​ | $ | 719,247
Mortgage-backed - Non-Agency - residential | ​ | ​ | 453,167 | ​ | ​ | 455,465 | ​ | ​ | 472,539 | ​ | ​ | 473,094
Mortgage-backed - Agency | ​ | ​ | 11,976 | ​ |  | 11,108 | ​ |  | 12,016 | ​ |  | 11,194
​ | ​ | $ | 1,175,167 | ​ | $ | 1,176,178 | ​ | $ | 1,204,217 | ​ | $ | 1,203,535
Schedule of gross unrealized losses and fair value of investments with unrealized losses have been in continuous | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2024
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 12 Months or | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | Longer | ​ | Total
​ | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
​ | ​ | (In thousands)
Securities available for sale: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Treasury notes | ​ | $ | 3,092 | ​ | $ | 1 | ​ | $ | 26,938 | ​ | $ | 57 | ​ | $ | 30,030 | ​ | $ | 58
Federal agencies | ​ | ​ | 139,808 | ​ | ​ | 192 | ​ | ​ | 98,693 | ​ | ​ | 1,307 | ​ | ​ | 238,501 | ​ | ​ | 1,499
​ | ​ | $ | 142,900 | ​ | $ | 193 | ​ | $ | 125,631 | ​ | $ | 1,364 | ​ | $ | 268,531 | ​ | $ | 1,557
​ ​ ​ ​ ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 12 Months or | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | Longer | ​ | Total
​ |  | ​ | ​ |  | Gross |  | ​ | ​ |  | Gross |  | ​ | ​ |  | Gross
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses | ​ | Value | ​ | Losses
​ | ​ | (In thousands)
Securities available for sale: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Treasury notes | ​ | $ | 3,052 | ​ | $ | 6 | ​ | $ | 32,080 | ​ | $ | 332 | ​ | $ | 35,132 | ​ | $ | 338
Federal agencies | ​ | ​ | 60,541 | ​ | ​ | 189 | ​ | ​ | 167,213 | ​ | ​ | 2,787 | ​ | ​ | 227,754 | ​ | ​ | 2,976
Mortgage-backed - Agency | ​ | ​ | 364 | ​ | ​ | 1 | ​ | ​ | 186 | ​ | ​ | 2 | ​ | ​ | 550 | ​ | ​ | 3
​ | ​ | $ | 63,957 | ​ | $ | 196 | ​ | $ | 199,479 | ​ | $ | 3,121 | ​ | $ | 263,436 | ​ | $ | 3,317
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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