Schedule I - Condensed Financial Information Of Registrant (Unconsolidated Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 6,912	$ 20,502
Total current assets	407,499	374,977
Total other non-current assets	873,923	498,658
TOTAL ASSETS	5,239,767	4,969,919	$ 4,928,669
Short-term debt	60,294	169,907
Accounts payable	179,834	127,089
Accumulated deficit	(24,558)	(24,558)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	794,600	520,988	546,476	$ 573,266
Total common shareholder's deficit	854,384	580,772
Long-term debt	2,652,186	2,556,278
Derivative Liability, Noncurrent	49,382	63,215
Accrued interest	30,634	31,733
Total current liabilities	348,513	432,767
Total non-current liabilities	4,036,870	3,956,380
Liabilities	4,385,383	4,389,147
Additional Paid in Capital	848,565	588,966
Accumulated Other Comprehensive Income (Loss), Net of Tax	(29,407)	(43,420)	(19,750)	0
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	5,239,767	4,969,919
Restricted Cash and Cash Equivalents	5	6,120
Income Taxes Receivable, Current	15,566	24,384
Other Assets, Current	40,168	17,842
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	1,902	302
Total current assets	18,365	25,787
Investment in subsidiaries	1,693,176	1,426,739
Deferred tax asset - long term	9,655	14,289
Other Assets	3,577	3,194
Total other non-current assets	1,706,408	1,444,222
TOTAL ASSETS	1,724,773	1,470,009
Loans Payable to Subsidiary	0	6,110
Accounts payable	277	365
Accumulated deficit	(24,558)	(24,558)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	794,600	520,988	546,476	573,266
Long-term debt	872,154	870,775
Derivative Liability, Noncurrent	49,382	63,215
Accrued interest	8,360	8,556
Total current liabilities	8,637	15,031
Total non-current liabilities	921,536	933,990
Liabilities	930,173	949,021
Additional Paid in Capital	848,565	588,966
Accumulated Other Comprehensive Income (Loss), Net of Tax	(29,407)	(43,420)	$ (19,750)	$ 0
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,724,773	1,470,009
Restricted Cash and Cash Equivalents	0	6,115
Income Taxes Receivable, Current	8,912	11,862
Other Assets, Current	$ 7,551	$ 7,508