Summary of Significant Accounting Principles (Tables)

3 Months Ended

Mar. 31, 2021

Cash, Cash Equivalents, And Restricted Cash [Abstract]

Cash, Cash Equivalents, and Restricted Cash

The following table presents the components of total cash, cash equivalents, and restricted cash on the consolidated balance sheets.

		MGE Energy				MGE
		March 31,		December 31,		March 31,		December 31,
(In thousands)		2021		2020		2021		2020
Cash and cash equivalents	$	40,239	$	44,738	$	6,709	$	4,103
Restricted cash		467		644		467		644
Receivable - margin account		796		1,657		796		1,657
Cash, cash equivalents, and restricted cash	$	41,502	$	47,039	$	7,972	$	6,404