Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Taxes [Line Items]
Effective income tax rate	(4.90%)		6.50%	(10.90%)	(1.30%)
Corporate federal income tax rate				21.00%	21.00%
Decrease in deferred income tax liability				$ 244,537
Minimum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent		0.50%
Minimum [Member] | State [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent				2.50%	2.50%
Maximum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent		4.99%
Maximum [Member] | State [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent				9.99%	9.99%
Pennsylvania [Member] | Minimum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent				8.99%
Pennsylvania [Member] | Maximum [Member]
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at State Statutory Income Tax Rate, Percent				9.99%	9.99%