Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Aug. 31, 2020	Aug. 31, 2020	Dec. 01, 2019	Nov. 30, 2019
Lease, Cost	$ 4,200	$ 13,600
Lessee, Operating Lease, Liability, to be Paid, Year One	2,737	2,737
Lease right-of-use assets	33,291	33,291
Operating Lease, Liability	34,849	34,849	$ 31,199	$ 0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	2,977	9,045
Operating Lease, Payments	$ 2,831	$ 8,468
Operating Lease, Weighted Average Remaining Lease Term	4 years 6 months	4 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	5.10%	5.10%
Lessee, Operating Lease, Liability, to be Paid, Year Two	$ 10,178	$ 10,178
Lessee, Operating Lease, Liability, to be Paid, Year Three	8,921	8,921
Lessee, Operating Lease, Liability, to be Paid, Year Four	6,704	6,704
Lessee, Operating Lease, Liability, to be Paid, Year Five	4,637	4,637
Lessee, Operating Lease, Liability, to be Paid, after Year Five	6,099	6,099
Lessee, Operating Lease, Liability, to be Paid	39,276	39,276
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(4,427)	(4,427)
Short-term Lease, Cost	1,100	4,800
Home Building [Member]
Lease right-of-use assets	32,992	32,992		$ 0
Operating Lease, Liability	34,525	34,525
Financial Service [Member]
Lease right-of-use assets	300	300
Operating Lease, Liability	$ 300	$ 300