Merger Agreement (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Merger Agreement (Details) [Line Items]
Business Combination, Merger Agreement Description			On August 7, 2013, Apple REIT Seven, Inc. ("Apple Seven"), Apple REIT Eight, Inc. ("Apple Eight"), Apple REIT Nine, Inc. ("Apple Nine"), Apple Seven Acquisition Sub, Inc. ("Seven Acquisition Sub"), a wholly-owned subsidiary of Apple Nine, and Apple Eight Acquisition Sub, Inc. ("Eight Acquisition Sub"), a wholly-owned subsidiary of Apple Nine, entered into an Agreement and Plan of Merger, as amended (the "Merger Agreement"). The Merger Agreement provides for the merger of Apple Seven and Apple Eight with and into Seven Acquisition Sub and Eight Acquisition Sub, respectively, which were formed solely for engaging in the mergers and have not conducted any prior activities. Upon completion of the mergers, the separate corporate existence of Apple Seven and Apple Eight will cease and Seven Acquisition Sub and Eight Acquisition Sub will be the surviving corporations. Pursuant to the terms of the Merger Agreement, upon completion of the mergers, the current Apple Nine common shares totaling 182,784,131 will remain outstanding
Business Combination, Merger Agreement, Termination Terms			Under the Merger Agreement, Apple Seven, Apple Eight and Apple Nine may terminate the Merger Agreement under certain circumstances; however, each of the companies may be required to pay a fee of $1.7 million, plus reasonable third party expenses, to each of the other companies upon such termination.
Merger Transaction Costs (in Dollars)	$ 1,253,000	$ 0	$ 1,305,000	$ 484,000
Apple Seven [Member] | Apple Seven, Eight and Nine Merger Agreement [Member]
Merger Agreement (Details) [Line Items]
Business Combination, Merger Agreement Description			Each issued and outstanding unit of Apple Seven (consisting of one Apple Seven common share together with one Apple Seven Series A preferred share) will be converted into one (the "Apple Seven exchange ratio") common share of Apple Nine, or a total of approximately 90,613,633 common shares (assuming no dissenting shares), and each issued and outstanding Series B convertible preferred share of Apple Seven will be converted into a number of Apple Nine's common shares equal to 24.17104 multiplied by the Apple Seven exchange ratio, or a total of 5,801,050 common shares
Business Combination, Unit Exchange Ratio	1		1
Business Combination, Number of Acquirer Common Shares to be Issued Upon Conversion of Acquiree Units	90,613,633		90,613,633
Convertible Preferred Stock, Conversion Rate	24.17104		24.17104
Business Combination, Conversion of Preferred Stock Into Number of Acquirer Common Shares to be Issued	5,801,050		5,801,050
Apple Eight [Member] | Apple Seven, Eight and Nine Merger Agreement [Member]
Merger Agreement (Details) [Line Items]
Business Combination, Merger Agreement Description			Each issued and outstanding unit of Apple Eight (consisting of one Apple Eight common share together with one Apple Eight Series A preferred share) will be converted into 0.85 (the "Apple Eight exchange ratio") common share of Apple Nine, or a total of approximately 78,319,004 common shares (assuming no dissenting shares), and each issued and outstanding Series B convertible preferred share of Apple Eight will be converted into a number of Apple Nine's common shares equal to 24.17104 multiplied by the Apple Eight exchange ratio, or a total of 4,930,892 common shares.
Business Combination, Unit Exchange Ratio	0.85		0.85
Business Combination, Number of Acquirer Common Shares to be Issued Upon Conversion of Acquiree Units	78,319,004		78,319,004
Convertible Preferred Stock, Conversion Rate	24.17104		24.17104
Business Combination, Conversion of Preferred Stock Into Number of Acquirer Common Shares to be Issued	4,930,892		4,930,892
Estimated Expense Related to the Conversion of the Convertible Preferred Stock, Minimum (in Dollars)			44,000,000
Estimated Expense Related to the Conversion of the Convertible Preferred Stock, Maximum (in Dollars)			54,000,000
Merger Transaction Costs (in Dollars)			$ 1,300,000
Apple Nine [Member] | Apple Seven, Eight and Nine Merger Agreement [Member]
Merger Agreement (Details) [Line Items]
Preliminary Minimum Estimate of the Fair Value of the Acquirer's Common Stock, Per Share (in Dollars per share)	$ 9.00		$ 9.00
Preliminary Maximum Estimate of the Fair Value of the Acquirer's Common Stock, Per Share (in Dollars per share)	$ 11.00		$ 11.00