XML 50 R38.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Organization and Significant Accounting Policies - Components of Revenue Streams, Timing of Satisfying Performance Obligations, and Amounts (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Schedule of management, transaction, and other fees [Line Items] |  |
Management, transaction, and other fees | $ 6,396 | $ 6,038
Property management services [Member] |  |
Schedule of management, transaction, and other fees [Line Items] |  |
Management, transaction, and other fees | $ 3,961 | 3,458
Timing of satisfaction of performance obligations | Over time |
Asset management services [Member] |  |
Schedule of management, transaction, and other fees [Line Items] |  |
Management, transaction, and other fees | $ 1,602 | 1,629
Timing of satisfaction of performance obligations | Over time |
Leasing services [Member] |  |
Schedule of management, transaction, and other fees [Line Items] |  |
Management, transaction, and other fees | $ 574 | 718
Timing of satisfaction of performance obligations | Point in time |
Other fees [Member] |  |
Schedule of management, transaction, and other fees [Line Items] |  |
Management, transaction, and other fees | $ 259 | $ 233
Timing of satisfaction of performance obligations | Point in time |

X
- Definition Schedule of lease income and tenant receivables. + References No definition available. + Details
Name: | reg_ScheduleOfLeaseIncomeAndTenantReceivablesLineItems
Namespace Prefix: | reg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Timing of satisfaction of performance obligations description. + References No definition available. + Details
Name: | reg_TimingOfSatisfactionOfPerformanceObligationsDescription
Namespace Prefix: | reg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of revenue derived from managing real estate properties. + References No definition available. + Details
Name: | us-gaap_PropertyManagementFeeRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=reg_PropertymanagementservicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=reg_AssetmanagementservicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=reg_LeasingservicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |