Fair Value (Details 2) (USD $) In Thousands, unless otherwise specified	May 31, 2014	Nov. 30, 2013
Carrying Value | Level 1
Financial assets:
Cash and cash equivalents	$ 13,067	$ 14,179
Available-for-sale securities	2,142	2,208
Carrying Value | Level 2
Financial assets:
Interest rate swap	38	63
Financial liabilities:
Mortgage debt	65,639	66,708
Interest rate swaps	2,282	2,285
Estimated Fair Value | Level 1
Financial assets:
Cash and cash equivalents	13,067	14,179
Available-for-sale securities	2,142	2,208
Estimated Fair Value | Level 2
Financial assets:
Interest rate swap	38	63
Financial liabilities:
Mortgage debt	66,418	67,931
Interest rate swaps	$ 2,282	$ 2,285