COMMITMENTS AND CONTINGENCIES - Contractual Commitments - Land Pipeline (Details) $ / a in Thousands, $ in Thousands	Apr. 30, 2019 USD ($) a entity $ / a
Contracts
No. of Acres	3,200
Area of land sales as a percentage of land holdings	60.00%
Expected
Contracts
Number of purchase and sale agreements | entity	14
Number of buyers | entity	12
No. of Acres	3,203
Contract Amount | $	$ 92,989
Price per Acre | $ / a	29
Area of land sales as a percentage of land holdings	60.00%
Commercial/Retail | Unicorp-Grocery Anchored Project - East of I-95 | Expected
Contracts
No. of Acres	14
Contract Amount | $	$ 3,800
Price per Acre | $ / a	271
Commercial/Retail | NADG - East of I-95 | Expected
Contracts
No. of Acres	13
Contract Amount | $	$ 3,000
Price per Acre | $ / a	231
Residential (Sr. Housing) | Property east of Interstate 95 | Expected
Contracts
No. of Acres	13
Contract Amount | $	$ 2,600
Price per Acre | $ / a	200
Residential (SF) | Parcel A - West of I-95 | Expected
Contracts
No. of Acres	1,599
Contract Amount | $	$ 27,000
Price per Acre | $ / a	17
Residential (SF) | ICI Homes - West of I-95 | Expected
Contracts
No. of Acres	1,016
Contract Amount | $	$ 21,450
Price per Acre | $ / a	21
Residential (SF) | ICI Homes - West of I-95, property two | Expected
Contracts
No. of Acres	146
Contract Amount | $	$ 1,650
Price per Acre | $ / a	11
Residential (SF) | Property West of I-95 | Expected
Contracts
No. of Acres	98
Contract Amount | $	$ 2,600
Price per Acre | $ / a	27
Commercial/Residential | Unicorp-Grocery Anchored Project - East of I-95 | Expected
Contracts
No. of Acres	31
Contract Amount | $	$ 4,600
Price per Acre | $ / a	148
Commercial/Residential | Property east of Interstate 95 | Expected
Contracts
No. of Acres	12
Contract Amount | $	$ 4,500
Price per Acre | $ / a	375
Commercial/Medical Office | Property east of Interstate 95 | Expected
Contracts
No. of Acres	32
Contract Amount | $	$ 8,089
Price per Acre | $ / a	253
Residential (Multi-Family) | Property East of I-95, one | Expected
Contracts
No. of Acres	38
Contract Amount | $	$ 6,100
Price per Acre | $ / a	161
Residential (Multi-Family) | Property East of I-95, two | Expected
Contracts
No. of Acres	23
Contract Amount | $	$ 4,000
Price per Acre | $ / a	174
Residential (Multi-Family) | Property East of I-95, three | Expected
Contracts
No. of Acres	19
Contract Amount | $	$ 2,000
Price per Acre | $ / a	105
Borrow Pit | Property West of I-95 | Expected
Contracts
No. of Acres	149
Contract Amount | $	$ 1,600
Price per Acre | $ / a	11