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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | $ 123,098 | $ 125,054 | $ 94,455
Charged to expense - additions | 41,300 | 48 | 33,238
Release of valuation allowance - deductions | (12,600) | (2,004) | (2,639)
Charged to expense - deductions | 0 | 0 | 0
Balance at end of period | 151,798 | 123,098 | 125,054
State Operating Loss Carry-Forwards |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 79,198 | 81,202 | 47,964
Charged to expense - additions | 41,300 | 0 | 33,238
Release of valuation allowance - deductions | (8,200) | (2,004) | 0
Charged to expense - deductions | 0 | 0 | 0
Balance at end of period | 112,298 | 79,198 | 81,202
Charitable Contributions |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 706 | 658 | 3,297
Charged to expense - additions |  | 48 | 0
Release of valuation allowance - deductions | (610) | 0 | (2,639)
Charged to expense - deductions | 0 | 0 | 0
Balance at end of period | 96 | 706 | 658
Foreign Tax Credits |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of period | 43,194 | 43,194 | 43,194
Charged to expense - additions | 0 | 0 | 0
Release of valuation allowance - deductions | (3,790) | 0 | 0
Charged to expense - deductions | 0 | 0 | 0
Balance at end of period | $ 39,404 | $ 43,194 | $ 43,194

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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