XML 49 R40.htm IDEA: XBRL DOCUMENT
v3.22.2

Dividends (Details) - USD ($) |  |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 06, 2022 | Mar. 01, 2022 | Dec. 14, 2021 | Sep. 28, 2021 | Jun. 18, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Common Stock, Dividends, Per Share, Declared |  |  |  |  |  | $ 0.20 | $ 0.16 | $ 0.36 | $ 0.16
Dividends Payable, Date to be Paid |  | Apr. 08, 2022 | Jan. 14, 2022 | Oct. 22, 2021 | Jul. 16, 2021 |  |  |  |
Dividends Payable, Date of Record | Jun. 13, 2022 | Mar. 21, 2022 | Dec. 27, 2021 | Oct. 08, 2021 | Jun. 30, 2020 |  |  |  |
Dividends |  | $ 970,000 | $ 3,990,000 | $ 960,000 | $ 960,000 |  |  |  |
Dividends Payable, Date Declared | Jun. 06, 2022 | Mar. 01, 2022 | Dec. 14, 2021 | Sep. 28, 2021 | Jun. 18, 2021 |  |  |  |
Transfer Agent |  |  |  |  |  |  |  |  |
Dividends Payable, Date to be Paid | Jun. 29, 2022 |  |  |  |  |  |  |  |
Dividends | $ 1,200,000 |  |  |  |  |  |  |  |
Dividend payable date paid by transfer agent | Jul. 01, 2022 |  |  |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.20 | $ 0.16 | $ 0.16 | $ 0.16 | $ 0.16 |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.20 | $ 0.16 | 0.16 | $ 0.16 | $ 0.16 |  |  |  |
Common Class A and Common Class B |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared |  |  | $ 0.50 |  |  |  |  |  |

X
- Definition Date the dividend will be paid by transfer agent, in YYYY-MM-DD format. + References No definition available. + Details
Name: | sga_DividendPayableDatePaidByTransferAgentDayMonthAndYear
Namespace Prefix: | sga_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the declared dividend will be paid, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_Dividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date the dividend to be paid was declared, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=us-gaap_TransferAgentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=sga_CommonClassAndCommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |