XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.23.3

Stock-Based Compensation and Stock Repurchases (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Share-Based Compensation and Stock Repurchases [Abstract] |
Summary Of Stock Options Outstanding And Exercisable |
|  | Outstanding Stock Options - Class A Shares
|  | Number ‎of Options |  | Weighted ‎Average ‎Exercise Price |  | Weighted ‎Average ‎Remaining ‎Years of ‎Contractual ‎Life |  | Aggregate ‎Intrinsic ‎Value
|  | Class A |  | Class A |  | Class A |  | Class A
Balance - December 31, 2021 |  | 517,344 |  | $ | 15.42 |  | 1.66 |  | $ | —
Granted |  | — |  |  | — |  | — |  |  | —
Exercised |  | — |  |  | — |  | — |  |  | —
Forfeited |  | (189,846) |  |  | 14.63 |  | — |  |  | —
Balance - December 31, 2022 |  | 327,498 |  | $ | 15.87 |  | 1.24 |  | $ | —
Granted |  | — |  |  | — |  | — |  |  | —
Exercised |  | — |  |  | — |  | — |  |  | —
Forfeited |  | (122,376) |  |  | — |  | — |  |  | —
Balance - September 30, 2023 |  | 205,122 |  | $ | 15.92 |  | 0.45 |  | $ | —
Schedule Of Restricted Stock Units Issued And Vested |
|  | Restricted Stock Units
|  | RSU Grants (in units) |  |  |  | Vested, |  | Unvested, |  | Forfeited,
Grant Date |  | Directors |  | Management |  | Total ‎Grants |  | September 30, ‎2023 |  | September 30, ‎2023 |  | September 30, ‎2023
Opening balance |  | 189,880 |  | 507,635 |  | 697,515 |  | 642,908 |  | 18,758 |  | 35,849
April 5, 2021 |  | — |  | 262,830 |  | 262,830 |  | 90,804 |  | 149,008 |  | 23,018
April 19, 2021 |  | — |  | 22,888 |  | 22,888 |  | 10,831 |  | 10,560 |  | 1,497
August 11, 2021 |  | 26,924 |  | — |  | 26,924 |  | 26,924 |  | — |  | —
December 8, 2021 |  | 48,951 |  | — |  | 48,951 |  | 48,951 |  | — |  | —
April 18, 2022 |  | — |  | 428,899 |  | 428,899 |  | 75,721 |  | 316,601 |  | 36,577
December 15, 2022 |  | 73,683 |  | — |  | 73,683 |  | — |  | 73,683 |  | —
April 11, 2023 |  | — |  | 413,536 |  | 413,536 |  | — |  | 413,536 |  | —
April 21, 2023 |  | — |  | 237,719 |  | 237,719 |  | — |  | 237,719 |  | —
April 28, 2023 |  | — |  | 20,427 |  | 20,427 |  | — |  | 20,427 |  | —
Total |  | 339,438 |  | 1,893,934 |  | 2,233,372 |  | 896,139 |  | 1,240,292 |  | 96,941

X
- Definition Schedule Of Vested And Unvested Restricted Stock [Table Text Block] + References No definition available. + Details
Name: | rdi_ScheduleOfVestedAndUnvestedRestrictedStockTableTextBlock
Namespace Prefix: | rdi_
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 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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -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