Segment Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue
Electric operations	$ 293,928	$ 293,677
Other operations	27,304	19,086
Affiliate revenue	0	0
Electric customer credits	(651)	(136)
Operating revenue, net	320,581	312,627
Net (loss) income	(104,022)	155,744
Depreciation and amortization	55,209	49,618
Interest income	1,267	743
Interest charges	39,488	32,641
Federal and state income tax expense (benefit)	(165)	(7,533)
Other corporate costs and noncash items	6,779	3,873
Income (loss) from continuing operations, net of income taxes	(1,851)	25,192
Income (loss) from discontinued operations, net of income taxes	(102,171)	130,552
EBITDA	98,193	103,048
Additions to property, plant, and equipment	60,099	40,199
Equity investment in investees	2,072		$ 2,072
Goodwill	1,490,797		1,490,797
Total assets	8,072,079		8,253,750
CLECO POWER
Revenue
Electric operations	296,348	296,097
Other operations	27,303	19,084
Affiliate revenue	1,688	1,459
Electric customer credits	(651)	(136)
Operating revenue, net	324,688	316,504
Net (loss) income	22,817	39,024
Interest income	1,185	740
Interest charges	24,338	18,801
Federal and state income tax expense (benefit)	1,490	724
Additions to property, plant, and equipment	58,066	38,492
Equity investment in investees	2,072		2,072
Total assets	5,345,647		5,344,173
Power Supply Agreements [Member]
Revenue
Amortization of intangible assets	2,400
OPERATING SEGMENTS
Revenue
Electric operations	296,348	296,097
Other operations	27,303	19,084
Affiliate revenue	1,688	1,459
Electric customer credits	(651)	(136)
Operating revenue, net	324,688	316,504
Net (loss) income	22,817	39,024
Depreciation and amortization	50,733	45,239
Interest income	1,185	740
Interest charges	24,338	18,801
Federal and state income tax expense (benefit)	1,490	724
Income (loss) from continuing operations, net of income taxes	22,817	39,024
Income (loss) from discontinued operations, net of income taxes	0	0
Additions to property, plant, and equipment	58,066	38,492
Equity investment in investees	2,072		2,072
Goodwill	1,490,797		1,490,797
Total assets	6,836,444		6,834,970
OPERATING SEGMENTS | CLECO POWER
Revenue
Electric operations	296,348	296,097
Other operations	27,303	19,084
Affiliate revenue	1,688	1,459
Electric customer credits	(651)	(136)
Operating revenue, net	324,688	316,504
Net (loss) income	22,817	39,024
Depreciation and amortization	50,733	45,239
Interest income	1,185	740
Interest charges	24,338	18,801
Federal and state income tax expense (benefit)	1,490	724
EBITDA	98,193	103,048
OTHER
Revenue
Electric operations	(2,420)	(2,420)
Other operations	1	1
Affiliate revenue	27,514	27,393
Electric customer credits	0	0
Operating revenue, net	25,095	24,974
Net (loss) income	(126,839)	116,719
Depreciation and amortization	4,476	4,379
Interest income	143	31
Interest charges	15,211	13,867
Federal and state income tax expense (benefit)	(1,655)	(8,257)
Income (loss) from continuing operations, net of income taxes	(24,668)	(13,833)
Income (loss) from discontinued operations, net of income taxes	(102,171)	130,552
Additions to property, plant, and equipment	2,033	1,707
Equity investment in investees	(320,348)		(320,348)
Goodwill	0		0
Total assets	1,059,272		1,237,097
OTHER | Power Supply Agreements [Member] | CLECO POWER
Revenue
Amortization of intangible assets	2,400	2,400
ELIMINATIONS
Revenue
Electric operations	0	0
Other operations	0	1
Affiliate revenue	(29,202)	(28,852)
Electric customer credits	0	0
Operating revenue, net	(29,202)	(28,851)
Net (loss) income	0	1
Depreciation and amortization	0	0
Interest income	(61)	(28)
Interest charges	(61)	(27)
Federal and state income tax expense (benefit)	0	0
Income (loss) from continuing operations, net of income taxes	0	1
Income (loss) from discontinued operations, net of income taxes	0	0
Additions to property, plant, and equipment	0	$ 0
Equity investment in investees	320,348		320,348
Goodwill	0		0
Total assets	$ 176,363		$ 181,683