XML 117 R30.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Subsequent Events
12 Months Ended
Dec. 31, 2019
Subsequent Events [Abstract]  
Subsequent Events Subsequent Events On February 4, 2020, the Company issued Workers Adjustment and Retraining Notification (WARN) Act notices to approximately 63 of its 120 Oklahoma City based employees as a result of its workforce reduction at its corporate headquarters.