General form of registration statement for all companies including face-amount certificate companies

Nature of Operations and Summary of Significant Accounting Policies - Summary of the Revisions to Previously Reported Financial Information (Detail)

v3.21.1
Nature of Operations and Summary of Significant Accounting Policies - Summary of the Revisions to Previously Reported Financial Information (Detail) - USD ($)
$ in Thousands
 1 Months Ended 6 Months Ended 9 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 15, 2020
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues $ 1,704 $ 15,549 $ 17,224 $ 24,498 $ 24,859 $ 32,578 $ 33,555
Labor and Related Expenses $ 321 3,148 3,586 5,073 5,307 $ 6,269 7,167
Other Operating Expenses       4,543      
Total Operating Expenses   14,615 14,727 24,391 22,704   30,506
Restaurant Sales [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues   11,782 11,683 18,451 17,164   23,183
As Reported [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues   15,864 17,518 24,939 25,336   34,227
Labor and Related Expenses   3,463 3,880 5,482 5,784   7,839
Other Operating Expenses       4,575      
Total Operating Expenses   14,930 15,021 24,832 23,181   31,178
As Reported [Member] | Restaurant Sales [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues   12,097 11,977 18,892 17,641   23,855
Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues   (315) (294) (441) (477)   (672)
Labor and Related Expenses   (315) (294) (409) (477)   (672)
Other Operating Expenses       (32)      
Total Operating Expenses   (315) (294) (441) (477)   (672)
Adjustment [Member] | Restaurant Sales [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Revenues   $ (315) $ (294) $ (441) $ (477)   $ (672)