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Cash Flow, Supplemental Disclosures | 3 Months Ended
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Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract] |
Cash Flow, Supplemental Disclosures [Text Block] | As of March 31, 2021, there was $1.7 million of property and equipment purchases included in accounts payable. As of March 31, 2020, there was $2.1 million of property and equipment purchases included in accounts payable.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowElementsAbstract
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Balance Type: | na
Period Type: | duration