ORGANIZATION - Portfolio of Resorts (Detail)	Sep. 30, 2012 Suite sqft
Wisconsin Dells, WI [Member]
Schedule of Investments [Line Items]
Opened	1997
Number of Guest Suites	385
Indoor Entertainment Area	102,000
Sandusky, OH [Member]
Schedule of Investments [Line Items]
Opened	2001
Number of Guest Suites	271
Indoor Entertainment Area	41,000
Traverse City, MI [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2003
Number of Guest Suites	280
Indoor Entertainment Area	57,000
Kansas City, KS [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2003
Number of Guest Suites	281
Indoor Entertainment Area	57,000
Williamsburg, VA [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2005
Number of Guest Suites	405
Indoor Entertainment Area	87,000
Pocono Mountains, PA [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2005
Number of Guest Suites	401
Indoor Entertainment Area	101,000
Niagara Falls, ONT [Member]
Schedule of Investments [Line Items]
Opened	2006
Number of Guest Suites	406
Indoor Entertainment Area	104,000
Mason, OH [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2006
Number of Guest Suites	401
Indoor Entertainment Area	105,000
Grapevine, TX [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2007
Number of Guest Suites	605
Indoor Entertainment Area	110,000
Grand Mound WA [Member]
Schedule of Investments [Line Items]
Ownership Percentage	49.00%
Opened	2008
Number of Guest Suites	398
Indoor Entertainment Area	74,000
Concord NC [Member]
Schedule of Investments [Line Items]
Ownership Percentage	100.00%
Opened	2009
Number of Guest Suites	402
Indoor Entertainment Area	97,000