XML 23 R41.htm IDEA: XBRL DOCUMENT v3.20.1
FAIR VALUE MEASUREMENTS - Part 2 (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]    
Net assets (liabilities) at beginning of period $ 30,772 $ 40,484
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements (16,146) (25,361)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, New Level 3 Derivatives 20,993 1,597
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Unrealized Change Included in other comprehensive income (loss) 21,782 (5,191)
Net assets (liabilities) at end of period 57,401 11,529
Transfers in or out of level 3 $ 0 $ 0