XML 59 R40.htm IDEA: XBRL DOCUMENT v3.20.4
Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.
As of December 31, 2020
Level 1Level 2Level 3
Cash Collateral and Counterparty Netting (a)
Total
(in thousands)
Assets:
Commodity derivatives - Gas Utilities$— $2,504 $— $(1,527)$977 
Commodity derivatives - Electric Utilities— 1,065 — — 1,065 
Total$— $3,569 $— $(1,527)$2,042 
Liabilities:
Commodity derivatives - Gas Utilities$— $2,675 $— $(1,552)$1,123 
Commodity derivatives - Electric Utilities$921 $— $921 
Total$— $3,596 $— $(1,552)$2,044 
_______________
(a)    As of December 31, 2020, $1.5 million of our commodity derivative gross assets and $1.6 million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.
As of December 31, 2019
Level 1Level 2Level 3
Cash Collateral and Counterparty Netting (a)
Total
Assets:
Commodity derivatives - Gas Utilities$— 1,433 $— $(1,085)$348 
Total$— $1,433 $— $(1,085)$348 
Liabilities:
Commodity derivatives - Gas Utilities$— $5,254 $— $(2,909)$2,345 
Total$— $5,254 $— $(2,909)$2,345 
_______________
(a)    As of December 31, 2019, $1.1 million of our commodity derivative assets and $2.9 million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.
Fair Value, by Balance Sheet Grouping
The following table presents the carrying amounts and fair values of financial instruments not recorded at fair value on the Consolidated Balance Sheets at December 31 (in thousands):

20202019
Carrying AmountFair ValueCarrying AmountFair Value
Long-term debt, including current maturities (a)
$3,536,536 $4,208,167 $3,145,839 $3,479,367 
_______________
(a)    Long-term debt is valued based on observable inputs available either directly or indirectly for similar liabilities in active markets and therefore is classified in Level 2 in the fair value hierarchy. Carrying amount of long-term debt is net of deferred financing costs.