XML 37 R22.htm IDEA: XBRL DOCUMENT
v3.20.4

Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2020
Valuation And Qualifying Accounts [Abstract] |
Schedule Of Valuation And Qualifying Accounts | SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS (amounts in thousands)
|  | Balance at |  |  | Charges to |  |  | Balance |
|  | beginning |  |  | costs and |  |  | at end |
Valuation Allowance for Deferred Tax Assets: |  | of period |  |  | expenses |  |  | of period |
Year ended December 31, 2020 |  | $ | 75,277 |  |  | $ | (7,274 | ) |  | $ | 68,003 |
Year ended December 31, 2019 |  | $ | 79,264 |  |  | $ | (3,987 | ) |  | $ | 75,277 |
Year ended December 31, 2018 |  | $ | 70,227 |  |  | $ | 9,037 |  |  | $ | 79,264 |

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration