Condensed Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member] Common Class A [Member]	Common Stock Outstanding [Member] Common Class B [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Oct. 31, 2017	5,291,412	612,304	5,600
Balance at Oct. 31, 2017	$ 58	$ 6	$ 135,299	$ 708,002	$ (1,188,376)	$ (115,360)		$ (460,371)
Stock options, amortization and issuances (in shares)	960
Stock options, amortization and issuances				210				210
Restricted stock amortization, issuances and forfeitures (in shares)	13,291	6,573
Restricted stock amortization, issuances and forfeitures				(219)				(219)
Conversion of Class B to Class A common stock (in shares)	58	(58)
Conversion of Class B to Class A common stock
Net (loss)					(30,809)			(30,809)
Balance (in shares) at Jan. 31, 2018	5,305,721	618,819	5,600
Balance at Jan. 31, 2018	$ 58	$ 6	$ 135,299	707,993	(1,219,185)	(115,360)		(491,189)
Balance (in shares) at Oct. 31, 2017	5,291,412	612,304	5,600
Balance at Oct. 31, 2017	$ 58	$ 6	$ 135,299	708,002	(1,188,376)	(115,360)		(460,371)
Net (loss)								(41,658)
Balance (in shares) at Jul. 31, 2018	5,310,519	622,069	5,600
Balance at Jul. 31, 2018	$ 58	$ 6	$ 135,299	709,400	(1,230,034)	(115,360)		(500,631)
Balance (in shares) at Jan. 31, 2018	5,305,721	618,819	5,600
Balance at Jan. 31, 2018	$ 58	$ 6	$ 135,299	707,993	(1,219,185)	(115,360)		(491,189)
Stock options, amortization and issuances (in shares)
Stock options, amortization and issuances				92				92
Restricted stock amortization, issuances and forfeitures (in shares)
Restricted stock amortization, issuances and forfeitures				944				944
Conversion of Class B to Class A common stock (in shares)
Conversion of Class B to Class A common stock
Net (loss)					(9,823)			(9,823)
Balance (in shares) at Apr. 30, 2018	5,305,721	618,819	5,600
Balance at Apr. 30, 2018	$ 58	$ 6	$ 135,299	709,029	(1,229,008)	(115,360)		(499,976)
Stock options, amortization and issuances (in shares)	250
Stock options, amortization and issuances				867				867
Restricted stock amortization, issuances and forfeitures (in shares)	4,537	3,261
Restricted stock amortization, issuances and forfeitures				(496)				(496)
Conversion of Class B to Class A common stock (in shares)	11	(11)
Conversion of Class B to Class A common stock
Net (loss)					(1,026)			(1,026)
Balance (in shares) at Jul. 31, 2018	5,310,519	622,069	5,600
Balance at Jul. 31, 2018	$ 58	$ 6	$ 135,299	709,400	(1,230,034)	(115,360)		(500,631)
Balance (in shares) at Oct. 31, 2018	5,313,428	622,004	5,600
Balance at Oct. 31, 2018	$ 58	$ 6	$ 135,299	710,349	(1,183,856)	(115,360)		(453,504)
Stock options, amortization and issuances (in shares)
Stock options, amortization and issuances				107				107
Restricted stock amortization, issuances and forfeitures (in shares)	2,830	922
Restricted stock amortization, issuances and forfeitures				485				485
Conversion of Class B to Class A common stock (in shares)	20	(20)
Conversion of Class B to Class A common stock
Net (loss)					(17,452)			(17,452)
Balance (in shares) at Jan. 31, 2019	5,316,278	622,906	5,600
Balance at Jan. 31, 2019	$ 58	$ 6	$ 135,299	710,941	(1,201,308)	(115,360)		(470,364)
Balance (in shares) at Oct. 31, 2018	5,313,428	622,004	5,600
Balance at Oct. 31, 2018	$ 58	$ 6	$ 135,299	710,349	(1,183,856)	(115,360)		(453,504)
Net (loss)								(40,310)
Balance (in shares) at Jul. 31, 2019	5,322,428	622,780	5,600
Balance at Jul. 31, 2019	$ 58	$ 6	$ 135,299	710,517	(1,224,166)	(115,360)	575	(493,071)
Balance (in shares) at Jan. 31, 2019	5,316,278	622,906	5,600
Balance at Jan. 31, 2019	$ 58	$ 6	$ 135,299	710,941	(1,201,308)	(115,360)		(470,364)
Stock options, amortization and issuances (in shares)
Stock options, amortization and issuances				108				108
Restricted stock amortization, issuances and forfeitures (in shares)
Restricted stock amortization, issuances and forfeitures				468				468
Conversion of Class B to Class A common stock (in shares)	118	(118)
Conversion of Class B to Class A common stock
Net (loss)					(15,257)			(15,257)
Changes in noncontrolling interest in consolidated joint ventures							566	566
Balance (in shares) at Apr. 30, 2019	5,316,396	622,788	5,600
Balance at Apr. 30, 2019	$ 58	$ 6	$ 135,299	711,517	(1,216,565)	(115,360)	566	(484,479)
Stock options, amortization and issuances (in shares)
Stock options, amortization and issuances				438				438
Restricted stock amortization, issuances and forfeitures (in shares)	6,024
Restricted stock amortization, issuances and forfeitures				(1,438)				(1,438)
Conversion of Class B to Class A common stock (in shares)	8	(8)
Conversion of Class B to Class A common stock
Net (loss)					(7,601)			(7,601)
Changes in noncontrolling interest in consolidated joint ventures							9	9
Balance (in shares) at Jul. 31, 2019	5,322,428	622,780	5,600
Balance at Jul. 31, 2019	$ 58	$ 6	$ 135,299	$ 710,517	$ (1,224,166)	$ (115,360)	$ 575	$ (493,071)