XML 52 R37.htm IDEA: XBRL DOCUMENT
v3.21.1

Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Leases [Abstract] |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | The table below reconciles undiscounted payments for operating leases with terms greater than 12 months to the operating lease liabilities recorded on the balance sheet (in millions).
2021 | $ | 3.2 |
2022 | 1.8 |
2023 | 1.0 |
2024 | 1.0 |
2025 | 1.0 |
Thereafter | 1.8 |
Total lease payments | 9.8 |
Less imputed interest | 3.1 |
Present value of lease payments | $ | 6.7 |

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration