Consolidated Balance Sheets (Unaudited) - EGTS (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Common stock, shares authorized (in shares)	115,000,000	115,000,000
Common stock, shares outstanding (in shares)	76,000,000	76,000,000
Common stock, shares issued (in shares)	76,000,000	76,000,000
EGTS
Common stock, shares authorized (in shares)	75,000	75,000
Common stock, par value (in dollars per share)	$ 10,000	$ 10,000
Common stock, shares outstanding (in shares)	60,101	60,101
Common stock, shares issued (in shares)	60,101	60,101