Nature of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash as reported within the Consolidated Balance Sheets to “Cash, cash equivalents, and restricted cash at end of year” as reported within the Consolidated Statements of Cash Flows:

	December 31,
In thousands	2019		2018
Cash and cash equivalents	$	516	$	38,560
Restricted cash included in other assets	32,529		16,389
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows	$	33,045	$	54,949

Amounts included in restricted cash included in “Other assets” in the accompanying Consolidated Balance Sheets represent escrow accounts that are legally restricted for certain of our asset retirement obligations.

Schedule of Finite-Lived Intangible Assets

The following table summarizes the carrying value of our intangible assets as of December 31, 2019 and 2018:

	December 31,
In thousands	2019			2018
Intangible asset value	$	37,608		$	37,848
Accumulated amortization	(15,502		)	(13,074		)
Net book value	$	22,106		$	24,774

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of December 31, 2019, our estimated amortization expense for our intangible assets subject to amortization over the next five years is as follows:

In thousands
2020	$	2,420
2021	2,420
2022	2,420
2023	2,420
2024	2,420

 

Schedule of Earnings Per Share, Basic and Diluted Reconciliation

The following table sets forth the reconciliations of net income and weighted average shares used for purposes of calculating basic and diluted net income per common share for the periods indicated:

	Year Ended December 31,
In thousands	2019		2018		2017
Numerator
Net income – basic	$	216,959	$	322,698	$	163,152
Effect of potentially dilutive securities
Interest expensed on convertible senior notes including amortization of discount, net of tax	14,134		539		49
Net income – diluted	$	231,093	$	323,237	$	163,201
Denominator
Weighted average common shares outstanding – basic	459,524		432,483		390,928
Effect of potentially dilutive securities
Restricted stock and performance-based equity awards	2,396		6,500		2,242
Convertible senior notes(1)	48,421		17,186		2,751
Weighted average common shares outstanding – diluted	510,341		456,169		395,921

(1)

For the year ended December 31, 2019, shares shown under “convertible senior notes” represent the prorated portion of the approximately 90.9 million shares of the Company’s common stock issuable upon full conversion of our convertible senior notes which were issued on June 19, 2019 (see Note 6, Long-Term Debt – 2019 Debt Reduction Transactions).

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income per share, as their effect would have been antidilutive:

	Year Ended December 31,
In thousands	2019	2018	2017
Stock appreciation rights	2,027	2,743	4,512
Restricted stock and performance-based equity awards	5,505	1,234	5,645