XML 40 R24.htm IDEA: XBRL DOCUMENT
v3.24.0.1

MERGER RELATED EXPENSES | 12 Months Ended
--- | ---
Dec. 31, 2023
MERGER RELATED EXPENSES |
MERGER RELATED EXPENSES | 17. MERGER RELATED EXPENSES Merger-related expenses were recorded in the consolidated statements of operations as a component of non-interest expense and include costs relating to the Merger, as described in Note 2. Merger. These charges represent one-time costs associated with merger activities and do not represent ongoing costs of the fully integrated combined organization. Accounting guidance requires that merger-related transactional and restructuring costs incurred by the Company be charged to expense as incurred. There were no costs associated with merger expenses and transaction costs for the year ended December 31, 2023 and December 31, 2022. Costs associated with employee severance and other merger-related compensation expense incurred in connection with the Merger totaled $15.9 million for the year ended December 31, 2021 and were recorded in merger expenses and transaction costs expense in the consolidated statements of operations. Transaction costs (inclusive of costs to terminate leases) in connection with the Merger totaled $28.9 million, for the year ended December 31, 2021, and were recorded in merger expenses and transaction costs in the consolidated statements of operations. ​

X
- Definition The entire disclosure of information pertaining to merger related expense. + References No definition available. + Details
Name: | dcom_MergerRelatedExpenseDisclosureTextBlock
Namespace Prefix: | dcom_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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