Statement of Member's Equity Statement of Member's Equity - USD ($) $ in Thousands	Total	MEMBER'S CAPITAL	RETAINED EARINGS
Balance at beginning of period at Dec. 31, 2017		$ 1,073,892	$ 89,289
Net income	$ 131,461		131,461
Cash distributions to parent	(174,000)		(174,000)
Balance at end of period at Dec. 31, 2018	1,120,642	1,073,892	46,750
Net income	142,667		142,667
Cash distributions to parent	(110,000)		(110,000)
Balance at end of period at Dec. 31, 2019	1,153,309	$ 1,073,892	79,417
Net income	151,086		151,086
Cash distributions to parent	(164,000)		(164,000)
Balance at end of period at Dec. 31, 2020	$ 1,140,395		$ 66,503