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Reinsurance (Tables)
9 Months Ended
Sep. 30, 2020
Insurance [Abstract]  
Effects of reinsurance on premiums and benefits The effects of reinsurance on premiums written and contract deposits; premiums and contract charges earned; and benefits, claims and settlement expenses were as follows:
($ in thousands)Gross
Amount
Ceded to
Other
Companies (1)
Assumed
from Other
Companies
Net
Amount
Three months ended September 30, 2020    
Premiums written and contract deposits (2)
$368,577 $2,146 $2,422 $368,853 
Premiums and contract charges earned237,193 4,261 2,421 235,353 
Benefits, claims and settlement expenses59,401 (90,161)1,863 151,425 
Three months ended September 30, 2019    
Premiums written and contract deposits (2)
$374,598 $5,968 $2,586 $371,216 
Premiums and contract charges earned245,200 8,181 2,662 239,681 
Benefits, claims and settlement expenses154,718 2,310 1,783 154,191 
Nine months ended September 30, 2020
Premiums written and contract deposits (2)
$1,034,687 $14,835 $6,928 $1,026,780 
Premiums and contract charges earned710,998 20,945 6,996 697,049 
Benefits, claims and settlement expenses342,218 (85,770)5,107 433,095 
Nine months ended September 30, 2019
Premiums written and contract deposits (2)
$988,588 $17,844 $7,557 $978,301 
Premiums and contract charges earned671,871 22,158 7,849 657,562 
Benefits, claims and settlement expenses450,206 9,399 5,460 446,267 
(1)    Excludes the annuity reinsurance transaction accounted for using the deposit method that is discussed in Note 5.
(2)    This measure is not based on accounting principles generally accepted in the United States of America (non-GAAP). An explanation of this non-GAAP measure is contained in the Glossary of Selected Terms included as an exhibit in the Company's reports filed with the SEC.