Loans - Credit Quality (Details) - USD ($)	6 Months Ended
Loans - Credit Quality (Details) - USD ($)	Dec. 31, 2017	Jun. 30, 2017
Unpaid principal balance by credit quality indicator
Unpaid principal balance	$ 254,753,908	$ 239,452,928
Performing Financing Receivable Maximum Days Past Due	31 days
Nonperforming Financing Receivable Minimum Days Past Due	31 days
Maximum aggregate exposure not requiring a loan review within 12 months of most recent credit review	$ 250,000
Loans 90 days past due and still accruing	0	0
Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	$ 193,013,524	180,969,878
Financing Receivable Risk Rating Minimum Review Period	12 months
Commercial
Unpaid principal balance by credit quality indicator
Unpaid principal balance	$ 113,302,915	106,948,983
Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	20,053,461	20,139,045
Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	93,249,454	86,809,938
Agricultural
Unpaid principal balance by credit quality indicator
Unpaid principal balance	60,622,787	57,845,197
Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	29,712,495	26,739,407
Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	30,910,292	31,105,790
Residential Real Estate and Other Combined
Unpaid principal balance by credit quality indicator
Unpaid principal balance	61,740,384	58,483,050
Residential
Unpaid principal balance by credit quality indicator
Unpaid principal balance	58,070,022	54,808,376
Residential \| 1 - 4 family
Unpaid principal balance by credit quality indicator
Unpaid principal balance	45,995,076	43,060,013
Residential \| Consumer - Home equity and lines of credit
Unpaid principal balance by credit quality indicator
Unpaid principal balance	12,074,946	11,748,363
Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	22,758,184	19,850,372
Other \| Construction and land
Unpaid principal balance by credit quality indicator
Unpaid principal balance	19,087,822	16,175,698
Other \| Consumer - Personal
Unpaid principal balance by credit quality indicator
Unpaid principal balance	3,670,362	3,674,674
Highest Quality (rating 1) \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	667,029	650,083
Highest Quality (rating 1) \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	364,038	324,038
Highest Quality (rating 1) \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	302,991	326,045
Good Quality (rating 2) \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	17,954,656	18,412,202
Good Quality (rating 2) \| Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	151,182	177,795
Good Quality (rating 2) \| Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	11,031,355	6,638,998
Good Quality (rating 2) \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	3,265,475	5,185,147
Good Quality (rating 2) \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	3,497,478	3,541,630
Good Quality (rating 2) \| Other \| Construction and land
Unpaid principal balance by credit quality indicator
Unpaid principal balance	9,166	2,868,632
Acceptable Quality (rating 3) \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	79,356,097	84,763,249
Acceptable Quality (rating 3) \| Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	6,959,993	8,470,283
Acceptable Quality (rating 3) \| Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	43,807,603	44,240,531
Acceptable Quality (rating 3) \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	10,497,020	9,271,425
Acceptable Quality (rating 3) \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	7,167,665	12,354,765
Acceptable Quality (rating 3) \| Other \| Construction and land
Unpaid principal balance by credit quality indicator
Unpaid principal balance	10,923,816	10,426,245
Fair Quality (rating 4) \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	83,653,986	70,403,654
Fair Quality (rating 4) \| Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	11,613,697	11,313,276
Fair Quality (rating 4) \| Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	32,006,136	31,603,455
Fair Quality (rating 4) \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	14,379,528	11,489,750
Fair Quality (rating 4) \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	18,058,471	13,116,352
Fair Quality (rating 4) \| Other \| Construction and land
Unpaid principal balance by credit quality indicator
Unpaid principal balance	7,596,154	2,880,821
Special Mention \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	2,057,904	2,351,251
Special Mention \| Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	68,268
Special Mention \| Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	148,000	1,948,017
Special Mention \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	987,950	403,234
Special Mention \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	295,000
Special Mention \| Other \| Construction and land
Unpaid principal balance by credit quality indicator
Unpaid principal balance	558,686
Substandard \| Commercial, Agricultural, And Other
Unpaid principal balance by credit quality indicator
Unpaid principal balance	9,323,852	4,389,439
Substandard \| Commercial \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	1,260,321	177,691
Substandard \| Commercial \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	6,256,360	2,378,937
Substandard \| Agricultural \| Operating
Unpaid principal balance by credit quality indicator
Unpaid principal balance	218,484	65,813
Substandard \| Agricultural \| Real Estate
Unpaid principal balance by credit quality indicator
Unpaid principal balance	1,588,687	1,766,998
Performing \| Residential Real Estate and Other Combined
Unpaid principal balance by credit quality indicator
Unpaid principal balance	60,863,017	57,596,501
Performing \| Residential \| 1 - 4 family
Unpaid principal balance by credit quality indicator
Unpaid principal balance	45,188,972	42,220,268
Performing \| Residential \| Consumer - Home equity and lines of credit
Unpaid principal balance by credit quality indicator
Unpaid principal balance	12,055,246	11,725,714
Performing \| Other \| Consumer - Personal
Unpaid principal balance by credit quality indicator
Unpaid principal balance	3,618,799	3,650,519
Nonperforming \| Residential Real Estate and Other Combined
Unpaid principal balance by credit quality indicator
Unpaid principal balance	877,367	886,549
Nonperforming \| Residential \| 1 - 4 family
Unpaid principal balance by credit quality indicator
Unpaid principal balance	806,104	839,745
Nonperforming \| Residential \| Consumer - Home equity and lines of credit
Unpaid principal balance by credit quality indicator
Unpaid principal balance	19,700	22,649
Nonperforming \| Other \| Consumer - Personal
Unpaid principal balance by credit quality indicator
Unpaid principal balance	$ 51,563	$ 24,155

Equitable Financial Corp. 10-Q