Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity Rollforward (Details)

v3.19.2
Shareholders' Equity Rollforward (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
As of beginning balance $ 408,944 $ 447,355 $ 230,264 $ 221,639 $ 447,355 $ 221,639
Net income (loss) 51,625 (38,697) (2,521) 10,295 12,928 7,774
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   (94) [1]   (2,659) [2]    
All Other Changes 985 380 869 989 [3]    
As of ending balance 461,554 408,944 228,612 230,264 461,554 228,612
Share-based compensation 1,000   900   2,055 2,451
Common Stock            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
As of beginning balance 151 151 151 150 151 150
All Other Changes 0 0 0 1    
As of ending balance 151 151 151 151 151 151
Paid-in Capital            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
As of beginning balance 198,011 197,630 195,111 194,123 197,630 194,123
All Other Changes 986 [1] 381 [4] 869 988 [3]    
As of ending balance 198,997 198,011 195,980 195,111 198,997 195,980
Retained Earnings            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
As of beginning balance 210,701 249,492 35,002 27,366 249,492 27,366
Net income (loss) 51,625 (38,697) (2,521) 10,295    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   (94) [1]   (2,659) [2]    
All Other Changes 0 0 0 0    
As of ending balance 262,326 210,701 32,481 35,002 262,326 32,481
Accumulated Other Comprehensive Income            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
As of beginning balance 81 82 0 0 82 0
All Other Changes (1) (1)        
As of ending balance $ 80 $ 81 $ 0 $ 0 $ 80 $ 0
Time Vested Restricted Stock Units [Member]            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares, Issued 26,671   38,115   26,671 38,115
Performance Restricted Stock Units [Member]            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Shares, Issued 1,495   1,495   1,495 1,495
[1]
Attributable to the adoption of ASC Topic 842 as of January 1, 2019 (see Note 9).
[2]
1
Reflects a write-off for certain accounts receivable attributable to natural gas imbalances accounted for under the entitlements method prior to January 1, 2018, in connection with the adoption of ASC Topic 606, Revenues from Contracts with Customers.
[3] Includes equity-classified share-based compensation of $2.5 million during the six months ended June 30, 2018. During the six months ended June 30, 2018, 38,115 and 1,495 shares of common stock were issued in connection with the vesting of certain RSUs and performance restricted stock units (“PRSUs”), net of shares withheld for income taxes, respectively.
[4] Includes equity-classified share-based compensation of $2.1 million during the six months ended June 30, 2019. During the six months ended June 30, 2019, 26,671 shares of common stock were issued in connection with the vesting of certain time-vested restricted stock units (“RSUs”), net of shares withheld for income taxes.