XML 73 R50.htm IDEA: XBRL DOCUMENT
v3.22.4

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Activity Related to Stock Options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | ​ | ​ |  | Weighted- |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average | ​ | Aggregate
​ | ​ | ​ | ​ | Weighted- | ​ | Remaining | ​ | Intrinsic
​ | ​ | Number of | ​ | Average Exercise | ​ | Contractual | ​ | Value
​ |  | Options |  | Price |  | Years |  | (In thousands)
Options outstanding at January 1, 2022 | ​ | 121,253 | ​ | $ | 35.39 | ​ | ​ | ​ | ​ | ​
Options exercised | ​ | — | ​ |  | 35.39 | ​ | ​ | ​ | ​ | ​
Options forfeited | ​ | (29,116) | ​ |  | 35.39 | ​ | ​ | ​ | ​ | ​
Options outstanding at December 31, 2022 |  | 92,137 | ​ | $ | 35.39 |  | 6.2 | ​ | $ | —
Options vested and exercisable at December 31, 2022 |  | 92,137 | ​ | $ | 35.39 |  | 6.2 | ​ | $ | —
​
Information Related to Stock Option Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(In thousands) |  | 2022 |  | 2021 |  | 2020
Cash received for option exercise cost | ​ | $ | — | ​ | $ | 431 | ​ | $ | 38
Income tax (expense) benefit recognized on stock option exercises | ​ |  | — | ​ |  | (15) | ​ |  | —
Intrinsic value of options exercised | ​ |  | — | ​ |  | 171 | ​ |  | 8
​
Schedule of exercise prices and weighted-average remaining contractual lives of both outstanding and vested options | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Outstanding Options | Vested Options
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Contractual | ​ | ​ | ​ | Contractual
​ | ​ | ​ | ​ | Years | ​ | ​ | ​ | Years
​ |  | Amount |  | Remaining |  | Amount |  | Remaining
Exercise Prices: |  |  |  |  |  |  |  |
$34.87 |  | 35,671 |  | 7.1 |  | 35,671 |  | 7.1
$35.35 |  | 32,079 |  | 6.1 |  | 32,079 |  | 6.1
$36.19 |  | 24,387 |  | 5.1 |  | 24,387 |  | 5.1
Total |  | 92,137 |  | 6.2 |  | 92,137 |  | 6.2
​
Activity Related to Restricted Stock Awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Unvested allocated shares outstanding at January 1, 2022 | ​ | 446,923 | ​ | $ | 26.45
Shares granted |  | 113,113 | ​ |  | 33.84
Shares vested | ​ | (173,447) | ​ | ​ | 26.67
Shares forfeited |  | (35,831) | ​ |  | 27.37
Unvested allocated shares outstanding at December 31, 2022 |  | 350,758 | ​ | $ | 28.63
​
Information Related to Restricted Stock Award Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(Dollars in thousands) |  | ​ | 2022 |  | ​ | 2021 |  | ​ | 2020
Compensation expense recognized | ​ | $ | 3,516 | ​ | $ | 5,253 | ​ | $ | 4,217
Income tax (expense) benefit recognized on vesting of RSAs | ​ |  | (10) | ​ |  | 27 | ​ |  | (211)
​
Performance Shares | Long Term Incentive Award Program |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Activity Related to Performance Based Equity Awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | Number of | ​ | Grant-Date
​ |  | Shares |  | Fair Value
Maximum aggregate share payout at January 1, 2022 | ​ | 38,948 | ​ | $ | 31.40
Shares granted |  | 60,755 | ​ |  | 29.63
Shares forfeited | ​ | (3,872) | ​ | ​ | 29.63
Maximum aggregate share payout at December 31, 2022 |  | 95,831 | ​ | $ | 30.35
Minimum aggregate share payout |  | — | ​ | ​ | —
Expected aggregate share payout |  | 77,449 | ​ | $ | 29.45
​
Information Related to Performance Based Share Award Plan | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(In thousands) |  | 2022 |  | 2021 |  | 2020
Compensation expense recognized | ​ | $ | 760 | ​ | $ | 154 | ​ | $ | 2,279
Income tax benefit recognized on vesting of PSAs | ​ |  | 193 | ​ |  | — | ​ |  | 60
​

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
- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=dcom_LongTermIncentiveAwardProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |