XML 118 R101.htm IDEA: XBRL DOCUMENT v3.22.0.1
Variable Interest Entity and Noncontrolling Interests - Redeemable noncontrolling interest (Details) - USD ($)
12 Months Ended
Aug. 01, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jul. 31, 2019
Mar. 31, 2014
Redeemable Noncontrolling Interest [Line Items]            
Balance, beginning of year   $ 58,548,000 $ 55,404,000 $ 206,292,000    
Impact of deconsolidation of Somers   (48,919,000) 0 0    
Redemption of noncontrolling interests   0 0 (157,709,000)    
Accretion of preference share issuance costs   0 93,000 244,000    
Other   (396,000) 3,051,000 6,577,000    
Balance, end of year   $ 9,233,000 58,548,000 55,404,000    
Preferred shares, par value per share   $ 0.01        
Somers Holdings Ltd.            
Redeemable Noncontrolling Interest [Line Items]            
Preferred dividends including accretion of discount and issuance costs   $ 2,100,000 4,400,000 $ 17,800,000    
Variable Interest Entity, Primary Beneficiary | Somers Holdings Ltd.            
Redeemable Noncontrolling Interest [Line Items]            
Preference shares, number of shares issued         9,065,200  
Shares redeemed during the period, shares 6,919,998          
Preferred shares, redemption price per share $ 25.19748          
Proceeds from Redemption Of Preferred Shares By Variable Interest Entity $ 11,500,000          
Noncontrolling Interest | Somers Holdings Ltd.            
Redeemable Noncontrolling Interest [Line Items]            
Impact of deconsolidation of Somers   $ (918,874,000) $ 0      
Redeemable Preferred Stock [Member] | Somers Holdings Ltd.            
Redeemable Noncontrolling Interest [Line Items]            
Preferred shares, par value per share           $ 0.01
Liquidation preference per share           25.00
Shares Issued, Price Per Share           $ 24.50