XML 48 R38.htm IDEA: XBRL DOCUMENT
v3.25.2

STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
STOCK-BASED COMPENSATION |
Schedule of activity related to stock options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | ​ | ​ |  | Weighted- |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Remaining | ​ | Aggregate
​ | ​ | Number of | ​ | Average Exercise | ​ | Contractual | ​ | Intrinsic
(Dollars in thousands except share and per share amounts) |  | Options |  | Price |  | Years |  | Value
Options outstanding at January 1, 2025 | ​ | 26,995 | ​ | $ | 35.39 | ​ | 4.2 | ​ | ​ | —
Options exercised | ​ | — | ​ |  | — | ​ | ​ | ​ | ​ | ​
Options forfeited | ​ | — | ​ |  | — | ​ | ​ | ​ | ​ | ​
Options outstanding at June 30, 2025 |  | 26,995 | ​ | $ | 35.39 |  | 3.7 | ​ | $ | —
Options vested and exercisable at June 30, 2025 |  | 26,995 | ​ | $ | 35.39 |  | 3.7 | ​ | $ | —
Schedule of information related to stock option plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(In thousands) |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Cash received for option exercise cost | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
Income tax (expense) benefit recognized on stock option exercises | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Intrinsic value of options exercised | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Schedule of exercise prices and weighted-average remaining contractual lives of both outstanding and vested options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Outstanding Options | Vested Options
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average
​ | ​ | Number | ​ | Contractual | ​ | Number | ​ | Contractual
​ | ​ | of | ​ | Years | ​ | of | ​ | Years
​ |  | Options |  | Remaining |  | Options |  | Remaining
Exercise Prices: |  |  |  |  |  |  |  |
$34.87 |  | 10,061 |  | 4.6 |  | 10,061 |  | 4.6
$35.35 |  | 9,802 |  | 3.6 |  | 9,802 |  | 3.6
$36.19 |  | 7,132 |  | 2.6 |  | 7,132 |  | 2.6
Total |  | 26,995 |  | 3.7 |  | 26,995 |  | 3.7
Schedule of activity related to restricted stock awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Unvested allocated shares outstanding at January 1, 2025 | ​ | 470,236 | ​ | $ | 22.79
Shares granted |  | 252,905 | ​ |  | 28.15
Shares vested | ​ | (234,908) | ​ | ​ | 24.14
Shares forfeited |  | (14,645) | ​ |  | 23.25
Unvested allocated shares outstanding at June 30, 2025 |  | 473,588 | ​ | $ | 24.97
Schedule of information related to restricted stock award plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(In thousands) |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Compensation expense recognized | ​ | $ | 1,258 | ​ | $ | 1,504 | ​ | $ | 2,664 | ​ | $ | 2,877
Income tax benefit (expense) recognized on vesting of RSAs | ​ |  | 40 | ​ |  | (28) | ​ |  | 361 | ​ |  | (268)
Schedule of activity related to performance based equity awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Maximum aggregate share payout at January 1, 2025 | ​ | 258,864 | ​ | $ | 18.69
Shares granted |  | 102,002 | ​ |  | 28.19
Shares forfeited | ​ | (12,430) | ​ | ​ | 20.30
Shares vested | ​ | (7,166) | ​ | ​ | 34.57
Maximum aggregate share payout at June 30, 2025 |  | 341,270 | ​ | $ | 21.14
Minimum aggregate share payout |  | — | ​ | ​ | —
Expected aggregate share payout |  | 341,270 | ​ | $ | 21.14
Schedule of information related to performance based share award plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(In thousands) |  | 2025 |  | 2024 | ​ | 2025 |  | 2024
Compensation expense (benefit) recognized | ​ | $ | 533 | ​ | $ | (208) | ​ | $ | 1,011 | ​ | $ | 149
Income tax expense recognized on vesting of PSAs | ​ |  | — | ​ |  | (52) | ​ |  | (9) | ​ |  | (52)

X
- Definition Tabular disclosure of employee restricted stock purchase plan activity. + References No definition available. + Details
Name: | dcom_ScheduleOfShareBasedCompensationRestrictedStockPurchasePlanActivityTableTextBlock
Namespace Prefix: | dcom_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of stock award plan activity. + References No definition available. + Details
Name: | dcom_ScheduleOfShareBasedCompensationStockAwardPlanActivityTableTextBlock
Namespace Prefix: | dcom_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 50 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718-50/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration