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

Leases- Additional Information (Detail)

v3.21.2
Leases- Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]        
Capital Leased Assets, Gross $ 4.1   $ 3.0  
Payments to Acquire Equipment on Lease     0.0 $ 1.3
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation 0.9   0.7 0.3
Operating Leases, Rent Expense, Net $ 2.6 $ 2.2 $ 4.7 $ 4.2
Capital Lease One [Member] | Maximum [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 22.10%   22.10%  
Capital Lease One [Member] | Minimum [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate 4.84%   4.84%