Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 98,044	$ 58,703
Accounts and note receivable, net:
Oil and gas revenue receivable	0	1,907
Dividend receivable - equity affiliate	12,200	0
Joint interest and other	10,288	2,325
Note receivable	3,335	3,420
Advances to equity affiliate	2,288	1,706
Assets held for sale (See Note 3)	0	88,774
Prepaid expenses and other	2,463	4,793
TOTAL CURRENT ASSETS	128,618	161,628
OTHER ASSETS	2,336	2,477
INVESTMENT IN EQUITY AFFILIATES	329,964	287,933
PROPERTY AND EQUIPMENT:
Oil and gas properties (successful efforts method)	90,501	34,679
Other administrative property	3,167	3,209
TOTAL PROPERTY AND EQUIPMENT	93,668	37,888
Accumulated depletion, depreciation and amortization	(1,938)	(1,682)
TOTAL PROPERTY AND EQUIPMENT, NET	91,730	36,206
TOTAL ASSETS	552,648	488,244
CURRENT LIABILITIES:
Accounts payable, trade and other	9,763	3,205
Accounts payable, carry obligation	3,596	8,395
Accrued expenses	15,436	15,087
Liabilities held for sale (See Note 3)	0	663
Accrued interest	220	896
Income taxes payable	5,858	72
TOTAL CURRENT LIABILITIES	34,873	28,318
OTHER LONG-TERM LIABILITIES	958	1,834
LONG-TERM DEBT	32,000	81,237
COMMITMENTS AND CONTINGENCIES (See Note 5)
STOCKHOLDERS' EQUITY:
Preferred stock, par value $0.01 a share; authorized 5,000 shares; outstanding, none
Common stock, par value $0.01 a share; authorized 80,000 shares at September 30, 2011 and December 31, 2010, respectively; issued 40,555 shares and 40,103 shares at September 30, 2011 and December 31, 2010, respectively	406	401
Additional paid-in capital	232,209	230,362
Retained earnings	237,525	141,584
Treasury stock, at cost, 6,521 shares and 6,475 shares at September 30, 2011 and December 31, 2010, respectively	(66,104)	(65,543)
TOTAL HARVEST STOCKHOLDERS' EQUITY	404,036	306,804
NONCONTROLLING INTEREST	80,781	70,051
TOTAL EQUITY	484,817	376,855
TOTAL LIABILITIES AND EQUITY	$ 552,648	$ 488,244