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Loans (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | March 31, | ​ | ​ | December 31,
​ | ​ | 2023 |  | 2022
​ | ​ | (In thousands)
Multi-family residential | ​ | $ | 2,601,174 | ​ | $ | 2,601,384
Commercial real estate | ​ |  | 1,904,293 | ​ |  | 1,913,040
One-to-four family ― mixed-use property | ​ |  | 549,207 | ​ |  | 554,314
One-to-four family ― residential | ​ |  | 238,417 | ​ |  | 241,246
Construction | ​ |  | 60,486 | ​ |  | 70,951
Small Business Administration (1) | ​ |  | 22,860 | ​ |  | 23,275
Commercial business and other | ​ |  | 1,518,756 | ​ |  | 1,521,548
Gross loans | ​ |  | 6,895,193 | ​ |  | 6,925,758
Net unamortized premiums and unearned loan fees | ​ |  | 8,983 | ​ |  | 9,011
Total loans, net of fees and costs | ​ | $ | 6,904,176 | ​ | $ | 6,934,769
Schedule of TDR loan modifications | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​
​ | ​ | For the three months ended,
​ | ​ | March 31, 2022
(Dollars in thousands) |  | Number | ​ |  |  | Modification description
Small Business Administration | ​ | 1 | ​ | $ | 271 | ​ | Loan amortization extension.
Commercial business and other |  | 2 | ​ | ​ | 2,768 |  | One loan received a below market interest rate and one loan had an amortization extension.
Total |  | 3 | ​ | $ | 3,039 |  |
Schedule of non-accrual loans at amortized cost with no related allowance and interest income recognized for loans ninety days or more past due and still accruing | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At or for the three months ended March 31, 2023
(In thousands) | ​ | ​ | Non-accrual amortized cost beginning of the reporting period | ​ | ​ | Non-accrual amortized cost end of the reporting period | ​ | ​ | Non-accrual with no related allowance | ​ | ​ | Interest income recognized | ​ | ​ | Loans ninety days or more past due and still accruing
Multi-family residential | ​ | $ | 3,547 | ​ | $ | 3,975 | ​ | $ | 3,975 | ​ | $ | 2 | ​ | $ | —
Commercial real estate | ​ | ​ | 254 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
One-to-four family - mixed-use property | ​ | ​ | 1,045 | ​ | ​ | 797 | ​ | ​ | 797 | ​ | ​ | — | ​ | ​ | —
One-to-four family - residential | ​ | ​ | 3,953 | ​ | ​ | 4,396 | ​ | ​ | 4,396 | ​ | ​ | — | ​ | ​ | —
Small Business Administration | ​ | ​ | 950 | ​ | ​ | 949 | ​ | ​ | 949 | ​ | ​ | — | ​ | ​ | —
Commercial business and other | ​ | ​ | 20,193 | ​ | ​ | 10,838 | ​ | ​ | 3,283 | ​ | ​ | 2 | ​ | ​ | —
Total | ​ | $ | 29,942 | ​ | $ | 20,955 | ​ | $ | 13,400 | ​ | $ | 4 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At or for the year ended December 31, 2022
(In thousands) | ​ | ​ | Non-accrual amortized cost beginning of the reporting period | ​ | ​ | Non-accrual amortized cost end of the reporting period | ​ | ​ | Non-accrual with no related allowance | ​ | ​ | Interest income recognized | ​ | ​ | Loans ninety days or more past due and still accruing
Multi-family residential | ​ | $ | 2,652 | ​ | $ | 3,547 | ​ | $ | 3,547 | ​ | $ | — | ​ | $ | —
Commercial real estate | ​ | ​ | 640 | ​ | ​ | 254 | ​ | ​ | 254 | ​ | ​ | — | ​ | ​ | —
One-to-four family - mixed-use property (1) | ​ | ​ | 1,582 | ​ | ​ | 1,045 | ​ | ​ | 1,045 | ​ | ​ | — | ​ | ​ | —
One-to-four family - residential | ​ | ​ | 7,483 | ​ | ​ | 3,953 | ​ | ​ | 3,953 | ​ | ​ | — | ​ | ​ | —
Small Business Administration | ​ | ​ | 952 | ​ | ​ | 950 | ​ | ​ | 950 | ​ | ​ | — | ​ | ​ | —
Construction | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,600
Commercial business and other (1) | ​ | ​ | 1,945 | ​ | ​ | 20,193 | ​ | ​ | 3,291 | ​ | ​ | 171 | ​ | ​ | —
Total | ​ | $ | 15,254 | ​ | $ | 29,942 | ​ | $ | 13,040 | ​ | $ | 171 | ​ | $ | 2,600
​
| (1) | Included in the above analysis are non-accrual performing TDR one-to-four family – mixed-use property totaling $0.3 million at December 31, 2022. Commercial business and other contains a non-accrual performing TDR totaling less than $0.1 million at December 31, 2022.
Summary of interest foregone on non-accrual loans and loans classified as TDR | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended | ​
​ | ​ | March 31 | ​
​ |  | 2023 |  | 2022 |
(In thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest income that would have been recognized had the loans performed in accordance with their original terms | ​ | $ | 506 | ​ | $ | 371 | (1)
Less: Interest income included in the results of operations | ​ |  | 4 | ​ |  | 155 | (2)
Total foregone interest | ​ | $ | 502 | ​ | $ | 216 | ​
| (1) | For the three months ended March 31, 2022, $192 thousand is related to loans classified as TDR.
| (2) | For the three months ended March 31, 2022, $151 thousand is related to loans classified as TDR.
Summary of aging analysis of amortized cost basis of loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Greater | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 30 - 59 Days | ​ | 60 - 89 Days | ​ | than | ​ | Total Past | ​ | ​ | ​ | ​ | ​ | ​
(In thousands) |  | Past Due |  | Past Due |  | 90 Days |  | Due |  | Current |  | Total Loans
Multi-family residential | ​ | $ | 3,464 | ​ | $ | — | ​ | $ | 3,975 | ​ | $ | 7,439 | ​ | $ | 2,596,735 | ​ | $ | 2,604,174
Commercial real estate | ​ |  | — | ​ |  | 179 | ​ |  | — | ​ |  | 179 | ​ |  | 1,905,528 | ​ |  | 1,905,707
One-to-four family - mixed-use property | ​ |  | 2,562 | ​ |  | 381 | ​ |  | 797 | ​ |  | 3,740 | ​ |  | 548,231 | ​ |  | 551,971
One-to-four family - residential | ​ |  | 2,382 | ​ |  | 68 | ​ |  | 4,396 | ​ |  | 6,846 | ​ |  | 232,739 | ​ |  | 239,585
Construction | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 60,373 | ​ |  | 60,373
Small Business Administration | ​ |  | 142 | ​ |  | 1,679 | ​ |  | 949 | ​ |  | 2,770 | ​ |  | 19,990 | ​ |  | 22,760
Commercial business and other | ​ |  | 33 | ​ |  | 20 | ​ |  | 7,829 | ​ |  | 7,882 | ​ |  | 1,511,724 | ​ |  | 1,519,606
Total | ​ | $ | 8,583 | ​ | $ | 2,327 | ​ | $ | 17,946 | ​ | $ | 28,856 | ​ | $ | 6,875,320 | ​ | $ | 6,904,176
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Greater | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 30 - 59 Days | ​ | 60 - 89 Days | ​ | than | ​ | Total Past | ​ | ​ | ​ | ​ | ​ | ​
(In thousands) |  | Past Due |  | Past Due |  | 90 Days |  | Due |  | Current |  | Total Loans
Multi-family residential | ​ | $ | 1,475 | ​ | $ | 1,787 | ​ | $ | 3,547 | ​ | $ | 6,809 | ​ | $ | 2,598,363 | ​ | $ | 2,605,172
Commercial real estate | ​ |  | 2,561 | ​ |  | — | ​ |  | 254 | ​ |  | 2,815 | ​ |  | 1,912,083 | ​ |  | 1,914,898
One-to-four family - mixed-use property | ​ |  | 3,721 | ​ |  | — | ​ |  | 797 | ​ |  | 4,518 | ​ |  | 552,777 | ​ |  | 557,295
One-to-four family - residential | ​ |  | 2,734 | ​ |  | — | ​ |  | 3,953 | ​ |  | 6,687 | ​ |  | 235,793 | ​ |  | 242,480
Construction | ​ |  | — | ​ |  | — | ​ |  | 2,600 | ​ |  | 2,600 | ​ |  | 68,224 | ​ |  | 70,824
Small Business Administration | ​ |  | 329 | ​ |  | — | ​ |  | 950 | ​ |  | 1,279 | ​ |  | 21,914 | ​ |  | 23,193
Commercial business and other | ​ |  | 7,636 | ​ |  | 16 | ​ |  | 10,324 | ​ |  | 17,976 | ​ |  | 1,502,931 | ​ |  | 1,520,907
Total | ​ | $ | 18,456 | ​ | $ | 1,803 | ​ | $ | 22,425 | ​ | $ | 42,684 | ​ | $ | 6,892,085 | ​ | $ | 6,934,769
​
Summary of activity in the allowance for loan losses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2023
​ |  | ​ | ​ |  | ​ | ​ |  | One-to-four |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | family - | ​ | One-to-four | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Commercial | ​ | ​ | ​
​ | ​ | Multi-family | ​ | Commercial | ​ | mixed-use | ​ | family - | ​ | Construction | ​ | Small Business | ​ | business and | ​ | ​ | ​
(In thousands) | ​ | residential | ​ | real estate | ​ | property | ​ | residential | ​ | loans | ​ | Administration | ​ | other | ​ | Total
Beginning balance | ​ | $ | 9,552 | ​ | $ | 8,184 | ​ | $ | 1,875 | ​ | $ | 901 | ​ | $ | 261 | ​ | $ | 2,198 | ​ | $ | 17,471 | ​ | $ | 40,442
Charge-offs | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (6) | ​ |  | — | ​ |  | (6) | ​ |  | (9,286) | ​ |  | (9,298)
Recoveries | ​ |  | 1 | ​ |  | — | ​ |  | — | ​ |  | 42 | ​ |  | — | ​ |  | 12 | ​ |  | 9 | ​ |  | 64
Provision (benefit) | ​ |  | (512) | ​ |  | (513) | ​ |  | (165) | ​ |  | (210) | ​ |  | (109) | ​ |  | (35) | ​ |  | 9,065 | ​ |  | 7,521
Ending balance | ​ | $ | 9,041 | ​ | $ | 7,671 | ​ | $ | 1,710 | ​ | $ | 727 | ​ | $ | 152 | ​ | $ | 2,169 | ​ | $ | 17,259 | ​ | $ | 38,729
​ ​ ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2022
​ |  | ​ | ​ |  | ​ | ​ |  | One-to-four |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | family - | ​ | One-to-four | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Commercial | ​ | ​ | ​
​ | ​ | Multi-family | ​ | Commercial | ​ | mixed-use | ​ | family - | ​ | Construction | ​ | Small Business | ​ | business and | ​ | ​ | ​
(In thousands) | ​ | residential | ​ | real estate | ​ | property | ​ | residential | ​ | loans | ​ | Administration | ​ | other | ​ | Total
Beginning balance | ​ | $ | 8,185 | ​ | $ | 7,158 | ​ | $ | 1,755 | ​ | $ | 784 | ​ | $ | 186 | ​ | $ | 1,209 | ​ | $ | 17,858 | ​ | $ | 37,135
Charge-offs | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (1,028) | ​ |  | (8) | ​ |  | (1,036)
Recoveries | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 2 | ​ |  | — | ​ |  | 13 | ​ |  | 74 | ​ |  | 101
Provision (benefit) | ​ |  | 376 | ​ |  | 558 | ​ |  | 109 | ​ |  | (20) | ​ |  | 82 | ​ |  | 1,643 | ​ |  | (1,503) | ​ |  | 1,233
Ending balance | ​ | $ | 8,561 | ​ | $ | 7,716 | ​ | $ | 1,864 | ​ | $ | 766 | ​ | $ | 268 | ​ | $ | 1,837 | ​ | $ | 16,421 | ​ | $ | 37,433
​
Summary of risk category of mortgage and non-mortgage loans by loan portfolio segments and class of loans by year of origination | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revolving Loans | ​ | ​ | Revolving Loans | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Amortized Cost | ​ | ​ | converted to | ​ | ​ | ​
(In thousands) | ​ | ​ | 2023 | ​ | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2020 | ​ | ​ | 2019 | ​ | ​ | Prior | ​ | ​ | Basis | ​ | ​ | term loans | ​ | ​ | Total
Multi-family | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 48,865 | ​ | $ | 480,178 | ​ | $ | 285,357 | ​ | $ | 222,748 | ​ | $ | 310,618 | ​ | $ | 1,215,855 | ​ | $ | 4,601 | ​ | $ | — | ​ | $ | 2,568,222
Watch | ​ | ​ | — | ​ | ​ | 902 | ​ | ​ | — | ​ | ​ | 2,346 | ​ | ​ | — | ​ | ​ | 26,616 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 29,864
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,326 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,326
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,762 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,762
Total Multi-family | ​ | $ | 48,865 | ​ | $ | 481,080 | ​ | $ | 285,357 | ​ | $ | 225,094 | ​ | $ | 310,618 | ​ | $ | 1,248,559 | ​ | $ | 4,601 | ​ | $ | — | ​ | $ | 2,604,174
Commercial Real Estate | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 18,305 | ​ | $ | 327,129 | ​ | $ | 181,002 | ​ | $ | 151,568 | ​ | $ | 223,378 | ​ | $ | 969,174 | ​ | $ | — | ​ | $ | — | ​ | $ | 1,870,556
Watch | ​ | ​ | — | ​ | ​ | 1,965 | ​ | ​ | 1,525 | ​ | ​ | — | ​ | ​ | 9,570 | ​ | ​ | 21,899 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 34,959
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 183 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 183
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 9
Total Commercial Real Estate | ​ | $ | 18,305 | ​ | $ | 329,094 | ​ | $ | 182,527 | ​ | $ | 151,568 | ​ | $ | 232,948 | ​ | $ | 991,265 | ​ | $ | — | ​ | $ | — | ​ | $ | 1,905,707
1-4 Family Mixed-Use | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 5,519 | ​ | $ | 44,641 | ​ | $ | 42,764 | ​ | $ | 32,360 | ​ | $ | 63,079 | ​ | $ | 353,651 | ​ | $ | — | ​ | $ | — | ​ | $ | 542,014
Watch | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 878 | ​ | ​ | 727 | ​ | ​ | 6,541 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 8,146
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 840 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 840
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 971 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 971
Total 1-4 Family Mixed-Use | ​ | $ | 5,519 | ​ | $ | 44,641 | ​ | $ | 42,764 | ​ | $ | 33,238 | ​ | $ | 63,806 | ​ | $ | 362,003 | ​ | $ | — | ​ | $ | — | ​ | $ | 551,971
1-4 Family Residential | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 4,146 | ​ | $ | 23,573 | ​ | $ | 8,640 | ​ | $ | 18,034 | ​ | $ | 41,567 | ​ | $ | 114,894 | ​ | $ | 7,905 | ​ | $ | 11,827 | ​ | $ | 230,586
Watch | ​ | ​ | — | ​ | ​ | 515 | ​ | ​ | 282 | ​ | ​ | — | ​ | ​ | 736 | ​ | ​ | 1,374 | ​ | ​ | 63 | ​ | ​ | 1,228 | ​ | ​ | 4,198
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,358 | ​ | ​ | — | ​ | ​ | 443 | ​ | ​ | 4,801
Total 1-4 Family Residential | ​ | $ | 4,146 | ​ | $ | 24,088 | ​ | $ | 8,922 | ​ | $ | 18,034 | ​ | $ | 42,303 | ​ | $ | 120,626 | ​ | $ | 7,968 | ​ | $ | 13,498 | ​ | $ | 239,585
Gross charge-offs | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 6 | ​ | $ | — | ​ | $ | — | ​ | $ | 6
Construction | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 3,089 | ​ | $ | 1,899 | ​ | $ | 17,660 | ​ | $ | — | ​ | $ | — | ​ | ​ | — | ​ | $ | 35,125 | ​ | $ | — | ​ | $ | 57,773
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,600 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,600
Total Construction | ​ | $ | 3,089 | ​ | $ | 1,899 | ​ | $ | 17,660 | ​ | $ | — | ​ | $ | — | ​ | $ | 2,600 | ​ | $ | 35,125 | ​ | $ | — | ​ | $ | 60,373
Small Business Administration | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | — | ​ | $ | 3,335 | ​ | $ | 3,348 | ​ | $ | 3,977 | ​ | $ | 666 | ​ | $ | 2,736 | ​ | $ | — | ​ | $ | — | ​ | $ | 14,062
Watch | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 593 | ​ | ​ | — | ​ | ​ | 50 | ​ | ​ | 5,162 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,805
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,679 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 37 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,716
Substandard | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,177 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,177
Total Small Business Administration | ​ | $ | — | ​ | $ | 3,335 | ​ | $ | 5,620 | ​ | $ | 3,977 | ​ | $ | 716 | ​ | $ | 9,112 | ​ | $ | — | ​ | $ | — | ​ | $ | 22,760
Gross charge-offs | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 6 | ​ | $ | — | ​ | $ | — | ​ | $ | 6
Commercial Business | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 28,793 | ​ | $ | 160,797 | ​ | $ | 81,582 | ​ | $ | 39,877 | ​ | $ | 39,603 | ​ | $ | 71,738 | ​ | $ | 273,682 | ​ | $ | — | ​ | $ | 696,072
Watch | ​ | ​ | — | ​ | ​ | 415 | ​ | ​ | 8,583 | ​ | ​ | — | ​ | ​ | 16,492 | ​ | ​ | 31,837 | ​ | ​ | 1,209 | ​ | ​ | — | ​ | ​ | 58,536
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,759 | ​ | ​ | 33 | ​ | ​ | 3,943 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 8,735
Substandard | ​ | ​ | — | ​ | ​ | 2,373 | ​ | ​ | 2,444 | ​ | ​ | — | ​ | ​ | 47 | ​ | ​ | 1,762 | ​ | ​ | 3,079 | ​ | ​ | — | ​ | ​ | 9,705
Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,702 | ​ | ​ | — | ​ | ​ | 4,702
Total Commercial Business | ​ | $ | 28,793 | ​ | $ | 163,585 | ​ | $ | 92,609 | ​ | $ | 44,636 | ​ | $ | 56,175 | ​ | $ | 109,280 | ​ | $ | 282,672 | ​ | $ | — | ​ | $ | 777,750
Gross charge-offs | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 9,267 | ​ | $ | — | ​ | $ | 9,267
Commercial Business - Secured by RE | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 13,955 | ​ | $ | 181,634 | ​ | $ | 138,718 | ​ | $ | 108,771 | ​ | $ | 41,827 | ​ | $ | 153,310 | ​ | $ | — | ​ | $ | — | ​ | $ | 638,215
Watch | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 26,220 | ​ | ​ | 59,250 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 85,470
Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 15,198 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 15,198
Substandard | ​ | ​ | — | ​ | ​ | 2,853 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 2,853
Total Commercial Business - Secured by RE | ​ | $ | 13,955 | ​ | $ | 184,487 | ​ | $ | 138,718 | ​ | $ | 108,771 | ​ | $ | 83,245 | ​ | $ | 212,560 | ​ | $ | — | ​ | $ | — | ​ | $ | 741,736
Other | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 50 | ​ | $ | 70 | ​ | $ | — | ​ | $ | 120
Total Other | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 50 | ​ | $ | 70 | ​ | $ | — | ​ | $ | 120
Gross charge-offs | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 19 | ​ | $ | — | ​ | $ | — | ​ | $ | 19
Total by Loan Type | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Pass | ​ | $ | 122,672 | ​ | $ | 1,223,186 | ​ | $ | 759,071 | ​ | $ | 577,335 | ​ | $ | 720,738 | ​ | $ | 2,881,408 | ​ | $ | 321,383 | ​ | $ | 11,827 | ​ | $ | 6,617,620
Total Watch | ​ | ​ | — | ​ | ​ | 3,797 | ​ | ​ | 10,983 | ​ | ​ | 3,224 | ​ | ​ | 53,795 | ​ | ​ | 152,679 | ​ | ​ | 1,272 | ​ | ​ | 1,228 | ​ | ​ | 226,978
Total Special Mention | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,679 | ​ | ​ | 4,759 | ​ | ​ | 15,231 | ​ | ​ | 6,329 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 27,998
Total Substandard | ​ | ​ | — | ​ | ​ | 5,226 | ​ | ​ | 2,444 | ​ | ​ | — | ​ | ​ | 47 | ​ | ​ | 15,639 | ​ | ​ | 3,079 | ​ | ​ | 443 | ​ | ​ | 26,878
Total Doubtful | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,702 | ​ | ​ | — | ​ | ​ | 4,702
Total Loans | ​ | $ | 122,672 | ​ | $ | 1,232,209 | ​ | $ | 774,177 | ​ | $ | 585,318 | ​ | $ | 789,811 | ​ | $ | 3,056,055 | ​ | $ | 330,436 | ​ | $ | 13,498 | ​ | $ | 6,904,176
Total Gross charge-offs | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 31 | ​ | $ | 9,267 | ​ | $ | — | ​ | $ | 9,298
Summary of types of collateral-dependent loans by class of loans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Collateral Type
​ | ​ | March 31, 2023 | ​ | December 31, 2022
(In thousands) |  | ​ | Real Estate |  | Business Assets |  | ​ | Real Estate |  | Business Assets
Multi-family residential | ​ | $ | 3,975 | ​ | $ | — | ​ | $ | 3,547 | ​ | $ | —
Commercial real estate | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 254 | ​ | ​ | —
One-to-four family - mixed-use property | ​ | ​ | 797 | ​ | ​ | — | ​ | ​ | 1,045 | ​ | ​ | —
One-to-four family - residential | ​ | ​ | 4,396 | ​ | ​ | — | ​ | ​ | 3,953 | ​ | ​ | —
Small Business Administration | ​ | ​ | — | ​ | ​ | 949 | ​ | ​ | — | ​ | ​ | 950
Commercial business and other | ​ | ​ | 2,853 | ​ | ​ | 7,985 | ​ | ​ | 2,853 | ​ | ​ | 17,340
Total | ​ | $ | 12,021 | ​ | $ | 8,934 | ​ | $ | 11,652 | ​ | $ | 18,290
Summary of allowance for off balance sheet | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended
​ | ​ | March 31,
​ |  | 2023 |  | 2022
​ | ​ | (In thousands)
Balance at beginning of period | ​ | $ | 970 | ​ | $ | 1,209
(Benefit) provision | ​ | ​ | (85) | ​ | ​ | 380
Allowance for Off-Balance Sheet - Credit losses (1) | ​ | $ | 885 | ​ | $ | 1,589
| (1) | Included in “Other liabilities” on the Consolidated Statements of Financial Condition.
Nonperforming Financial Instruments [Member] |
Notes Tables |
Schedule of recorded investment for loans classified as TDR at amortized cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022 | ​
​ | ​ | Number | ​ | Amortized | ​
(Dollars in thousands) |  | of contracts |  | Cost | ​
Commercial business and other |  | 2 | ​ | $ | 3,263 | ​
Total troubled debt restructurings that subsequently defaulted |  | 2 | ​ | $ | 3,263 | ​
Performing According to Restructured Terms [Member] |
Notes Tables |
Schedule of recorded investment for loans classified as TDR at amortized cost | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Number | ​ | Amortized
(Dollars in thousands) |  | of contracts |  | Cost
Multi-family residential |  | 6 | ​ | $ | 1,673
Commercial real estate | ​ | 1 | ​ | ​ | 7,572
One-to-four family - mixed-use property |  | 4 | ​ |  | 1,222
One-to-four family - residential |  | 1 | ​ |  | 253
Small Business Administration | ​ | 1 | ​ | ​ | 242
Commercial business and other |  | 3 | ​ |  | 855
Total performing |  | 16 | ​ | $ | 11,817

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