Segment Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Revenue
Electric operations	$ 260,789	$ 366,194	$ 554,717	$ 659,871
Other operations	24,742	18,688	52,046	37,774
Affiliate revenue	0	0	0	0
Electric customer credits	(736)	(129)	(1,386)	(265)
Operating revenue, net	284,795	384,753	605,377	697,380
Net (loss) income	47,330	1,363	(56,692)	157,107
Depreciation and amortization	48,155	48,673	103,364	98,291
Interest income	673	1,066	1,940	1,809
Interest charges	40,768	35,147	80,256	67,788
Federal and state income tax expense (benefit)	(2,989)	(3,577)	(3,154)	(11,110)
Other corporate costs and noncash items	5,693	12,210	12,471	16,085
Income (loss) from continuing operations, net of income taxes	23,058	31,101	21,207	56,293
Income (loss) from discontinued operations, net of income taxes	24,272	(29,738)	(77,899)	100,814
EBITDA	114,012	122,488	212,204	225,538
Additions to property, plant, and equipment			115,159	101,673
Equity investment in investees	2,072		2,072		$ 2,072
Goodwill	1,490,797		1,490,797		1,490,797
Total assets	8,171,547		8,171,547		8,253,749
Power supply agreements
Revenue
Amortization of intangible assets	2,387	2,420	4,807	4,840
CLECO POWER
Revenue
Electric operations	263,176	368,614	559,524	664,711
Other operations	24,741	18,686	52,044	37,771
Affiliate revenue	1,635	1,628	3,323	3,087
Electric customer credits	(736)	(129)	(1,386)	(265)
Operating revenue, net	288,816	388,799	613,505	705,304
Net (loss) income	43,439	54,705	66,256	93,729
Interest income	579	1,035	1,764	1,775
Interest charges	24,183	21,305	48,521	40,108
Federal and state income tax expense (benefit)	3,247	3,214	4,737	3,938
Additions to property, plant, and equipment			110,480	98,162
Equity investment in investees	2,072		2,072		2,072
Total assets	5,402,661		5,402,661		5,344,173
OPERATING SEGMENTS
Revenue
Electric operations	263,176	368,614
Other operations	24,741	18,686
Affiliate revenue	1,635	1,628
Electric customer credits	(736)	(129)
Operating revenue, net	288,816	388,799
Net (loss) income	43,439	54,705
Depreciation and amortization	43,722	44,299
Interest income	579	1,035
Interest charges	24,183	21,305
Federal and state income tax expense (benefit)	3,247	3,214
Income (loss) from continuing operations, net of income taxes	43,439	54,705
Income (loss) from discontinued operations, net of income taxes	0	0
OPERATING SEGMENTS | CLECO POWER
Revenue
Electric operations	263,176	368,614	559,524	664,711
Other operations	24,741	18,686	52,044	37,771
Affiliate revenue	1,635	1,628	3,323	3,087
Electric customer credits	(736)	(129)	(1,386)	(265)
Operating revenue, net	288,816	388,799	613,505	705,304
Net (loss) income	43,439	54,705	66,256	93,729
Depreciation and amortization	43,722	44,299	94,454	89,538
Interest income	579	1,035	1,764	1,775
Interest charges	24,183	21,305	48,521	40,108
Federal and state income tax expense (benefit)	3,247	3,214	4,737	3,938
Income (loss) from continuing operations, net of income taxes			66,256	93,729
Income (loss) from discontinued operations, net of income taxes			0	0
EBITDA	114,012	122,488	212,204	225,538
Additions to property, plant, and equipment			110,480	98,162
Equity investment in investees	2,072		2,072		2,072
Goodwill	1,490,797		1,490,797		1,490,797
Total assets	6,893,458		6,893,458		6,834,970
OTHER
Revenue
Electric operations	(2,387)	(2,420)	(4,807)	(4,840)
Other operations	1	2	2	3
Affiliate revenue	28,902	25,752	56,416	53,145
Electric customer credits	0	0	0	0
Operating revenue, net	26,516	23,334	51,611	48,308
Net (loss) income	3,892	(53,341)	(122,946)	63,378
Depreciation and amortization	4,433	4,373	8,910	8,752
Interest income	133	53	277	83
Interest charges	16,624	13,863	31,836	27,730
Federal and state income tax expense (benefit)	(6,236)	(6,791)	(7,891)	(15,048)
Income (loss) from continuing operations, net of income taxes	(20,380)	(23,603)	(45,047)	(37,436)
Income (loss) from discontinued operations, net of income taxes	24,272	(29,738)	(77,899)	100,814
Additions to property, plant, and equipment			4,679	3,511
Equity investment in investees	(345,348)		(345,348)		(320,348)
Goodwill	0		0		0
Total assets	1,081,729		1,081,729		1,237,096
OTHER | CLECO POWER | Power supply agreements
Revenue
Amortization of intangible assets	2,400	2,400	4,800	4,800
ELIMINATIONS
Revenue
Electric operations	0	0	0	0
Other operations	0	0	0	0
Affiliate revenue	(30,537)	(27,380)	(59,739)	(56,232)
Electric customer credits	0	0	0	0
Operating revenue, net	(30,537)	(27,380)	(59,739)	(56,232)
Net (loss) income	(1)	(1)	(2)	0
Depreciation and amortization	0	1	0	1
Interest income	(39)	(22)	(101)	(49)
Interest charges	(39)	(21)	(101)	(50)
Federal and state income tax expense (benefit)	0	0	0	0
Income (loss) from continuing operations, net of income taxes	(1)	(1)	(2)	0
Income (loss) from discontinued operations, net of income taxes	0	$ 0	0	0
Additions to property, plant, and equipment			0	$ 0
Equity investment in investees	345,348		345,348		320,348
Goodwill	0		0		0
Total assets	$ 196,360		$ 196,360		$ 181,683