XML 124 R95.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Nov. 23, 2015
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jul. 12, 2021
Jul. 11, 2021
Debt Instrument              
Principal borrowings on Bank Credit Facility     $ 114,000,000.0 $ 0 $ 135,000,000.0    
Purchase of FHLB activity-based common stock as percentage of borrowing, required     4.50%        
FHLB, current $ 5,000,000   $ 5,000,000        
HMIC              
Debt Instrument              
Purchase of FHLB activity-based common stock as percentage of borrowing, percentage, authorized     15.00%        
FHLB, non current 5,000,000   $ 5,000,000        
HMIC | Minimum              
Debt Instrument              
Purchase of FHLB activity-based common stock as percentage of borrowing, required     2.00%        
4.50% Senior Notes              
Debt Instrument              
Principal amount $ 250,000,000.0 $ 250,000,000 $ 250,000,000.0        
Stated rate 4.50% 4.50% 4.50%        
Discount percent on issuance   0.265%          
Effective interest percentage   4.53%          
Debt redemption price, percentage   100.00%          
Treasury yield | 4.50% Senior Notes              
Debt Instrument              
Basis spread on variable rate   0.35%          
Bank Credit Facility              
Debt Instrument              
Borrowing capacity           $ 325,000,000 $ 225,000,000
Bank Credit Facility $ 249,000,000   $ 249,000,000 $ 135,000,000.0      
Unused portion of the Bank Credit Facility 76,000,000   $ 76,000,000        
Commitment fee percent     0.15%        
Principal borrowings on Bank Credit Facility $ 114,000,000            
Bank Credit Facility | London Interbank Offered Rate (LIBOR)              
Debt Instrument              
Basis spread on variable rate     1.15%