Segments and Disaggregated Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Segments and Disaggregated Revenue
Revenue	$ 5,097,055	$ 7,554,971	$ 10,600,990	$ 16,159,569
Cost of revenue	5,063,425	6,783,011	10,636,832	12,901,174
Operating expenses	5,644,488	2,099,816	8,835,085	4,167,359
Operating loss	(5,610,858)	(1,327,856)	(8,870,927)	(908,964)
Other income (expense)	55,334	310,260	(204,037)	393,096
Loss before income taxes	(5,555,524)	(1,017,596)	(9,074,964)	(515,868)
Net income attributable to non-controlling interest		(397,764)		(1,616,669)
Net loss attributable to common stockholders of Safe & Green Holdings Corp.	(5,555,524)	(1,415,360)	(9,074,964)	(2,132,537)
Total assets	27,864,379		27,864,379		$ 26,555,680
Capital expenditures			526,324	1,751,999
Operating Segments [Member]
Segments and Disaggregated Revenue
Revenue	5,097,055	7,554,971	10,600,990	16,159,569
Cost of revenue	5,063,425	6,783,011	10,636,832	12,901,174
Operating expenses	5,644,488	2,099,816	8,835,085	4,167,359
Operating loss	(5,610,858)	(1,327,856)	(8,870,927)	(908,964)
Other income (expense)	55,334	310,260	(204,037)	393,096
Loss before income taxes	(5,555,524)	(1,017,596)	(9,074,964)	(515,868)
Net income attributable to non-controlling interest		(397,764)		(1,616,669)
Net loss attributable to common stockholders of Safe & Green Holdings Corp.	(5,555,524)	(1,415,360)	(9,074,964)	(2,132,537)
Total assets	5,999,338	32,139,503	5,999,338	32,139,503
Depreciation and amortization	562,070	169,671	710,578	335,144
Capital expenditures		829,134		1,751,999
Operating Segments [Member] | Construction [Member]
Segments and Disaggregated Revenue
Revenue	5,097,055	4,237,585	10,600,990	5,956,354
Cost of revenue	5,063,425	4,275,759	10,636,832	5,996,473
Operating expenses	58,428	99,672	176,987	207,646
Operating loss	(24,798)	(137,846)	(212,829)	(247,765)
Other income (expense)	233,629	372,223	252,193	490,903
Loss before income taxes	208,831	234,377	39,364	243,138
Net income attributable to non-controlling interest
Net loss attributable to common stockholders of Safe & Green Holdings Corp.	208,831	234,377	39,364	243,138
Total assets	10,546,140	10,907,679	10,546,140	10,907,679
Depreciation and amortization	562,070	143,320	710,578	286,755
Capital expenditures		797,300		821,400
Operating Segments [Member] | Medical [Member]
Segments and Disaggregated Revenue
Revenue		3,317,386		10,203,215
Cost of revenue		2,507,252		6,904,701
Operating expenses		8,093	897	27,065
Operating loss		802,041	(897)	3,271,449
Other income (expense)
Loss before income taxes		802,041	(897)	3,271,449
Net income attributable to non-controlling interest		(397,764)		(1,616,669)
Net loss attributable to common stockholders of Safe & Green Holdings Corp.		404,277	(897)	1,654,780
Total assets	(897)	2,322,505	(897)	2,322,505
Depreciation and amortization		13,410		26,820
Capital expenditures		28,621		28,621
Operating Segments [Member] | Development [Member]
Segments and Disaggregated Revenue
Revenue
Cost of revenue
Operating expenses	496,463	315,868	1,217,376	597,856
Operating loss	(496,463)	(315,868)	(1,217,376)	(597,856)
Other income (expense)	(187,749)	(72,942)	(475,046)	(121,569)
Loss before income taxes	(684,212)	(388,810)	(1,692,422)	(719,425)
Net income attributable to non-controlling interest
Net loss attributable to common stockholders of Safe & Green Holdings Corp.	(684,212)	(388,810)	(1,692,422)	(719,425)
Total assets	(10,929,782)	8,902,271	(10,929,782)	8,902,271
Depreciation and amortization		12,941		21,569
Capital expenditures				893,785
Operating Segments [Member] | Corporate and support [Member]
Segments and Disaggregated Revenue
Revenue
Cost of revenue
Operating expenses	5,089,597	1,676,183	7,439,825	3,334,792
Operating loss	(5,089,597)	(1,676,183)	(7,439,825)	(3,334,792)
Other income (expense)	9,454	10,979	18,816	23,762
Loss before income taxes	(5,080,143)	(1,665,204)	(7,421,009)	(3,311,030)
Net income attributable to non-controlling interest
Net loss attributable to common stockholders of Safe & Green Holdings Corp.	(5,080,143)	(1,665,204)	(7,421,009)	(3,311,030)
Total assets	6,383,877	10,007,048	6,383,877	10,007,048
Depreciation and amortization
Capital expenditures		3,213		8,193
Intersegment Eliminations [Member]
Segments and Disaggregated Revenue
Revenue
Intersegment Eliminations [Member] | Construction [Member]
Segments and Disaggregated Revenue
Revenue
Intersegment Eliminations [Member] | Medical [Member]
Segments and Disaggregated Revenue
Revenue
Intersegment Eliminations [Member] | Development [Member]
Segments and Disaggregated Revenue
Revenue
Intersegment Eliminations [Member] | Corporate and support [Member]
Segments and Disaggregated Revenue
Revenue