RELATED-PARTY TRANSACTIONS - Transactions Involving CS Financial and Jeffrey T. Seabold (Details) - USD ($)								12 Months Ended
	Oct. 31, 2016	Nov. 02, 2015	Apr. 06, 2015	Oct. 31, 2014	Oct. 31, 2013	May 13, 2013	Dec. 27, 2012	Dec. 31, 2013
Related Party Transaction [Line Items]
Expenses from transactions with related parties			$ 263,000
Performance Shares
Related Party Transaction [Line Items]
Number of shares					92,781
CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					173,791
Par value of stocks issued (in dollars per share)					$ 0.01
Cash paid for acquisition					$ 1,500,000
Noninterest-bearing note					$ 3,200,000
Managing Director and Chief Lending Officer | CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					103,663
Managing Director and Chief Lending Officer | CS Financial | Performance Shares
Related Party Transaction [Line Items]
Shares paid as merger consideration	28,547	28,545		28,545
Brother of President and Chief Executive Officer | CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					16,140
Brother of President and Chief Executive Officer | CS Financial | Performance Shares
Related Party Transaction [Line Items]
Shares paid as merger consideration	1,083	1,082		1,082
Sister-in-Law of President and Chief Executive Officer | CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					16,140
Number of shares transferred from one related party to another related party					103,663
Sister-in-Law of President and Chief Executive Officer | CS Financial | Performance Shares
Related Party Transaction [Line Items]
Shares paid as merger consideration	1,083	1,082		1,082
Father of President and Chief Executive Officer | CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					3,228
Father of President and Chief Executive Officer | CS Financial | Performance Shares
Related Party Transaction [Line Items]
Shares paid as merger consideration	218	216		216
Certain Employees of Acquired Entity | CS Financial
Related Party Transaction [Line Items]
Shares paid as merger consideration					34,620
Management and Services Agreement | Managing Director and Chief Lending Officer
Related Party Transaction [Line Items]
Monthly compensation for services							$ 100,000
Employment agreement, term						3 years
Expenses from transactions with related parties								$ 439,000
Business acquisition, purchase price						$ 10,000,000