XML 83 R65.htm IDEA: XBRL DOCUMENT v3.20.1
Incentive Plan - Management Incentive Plan Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
May 14, 2019
Share-based Payment Arrangement [Abstract]      
Number of shares authorized (in shares)     2,481,657
Compensation expense related to share-based arrangements $ 8,700,000 $ 27,300,000  
Tax benefit from compensation expense 0 $ 0  
Unrecognized compensation cost $ 3,100,000    
Unrecognized compensation cost, period for recognition 1 year 10 months 6 days