XML 73 R62.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value of Financial Instruments - Carrying Values and Estimated Fair Values of Financial Instruments (Parenthetical) (Details)
Jun. 30, 2020
Dec. 31, 2019
Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Percentage of coinsurance costs 10.00% 10.00%