Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Restrictions on Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:

	Year Ended December 31,
In thousands	2019		2018		2017
Cash and cash equivalents	$	149,904	$	120,221	$	176,274
Restricted cash included in other current assets	—		51		51
Long-term restricted cash	—		2,056		311,010
Total cash, cash equivalents, and restricted cash	$	149,904	$	122,328	$	487,335