Summary of Significant Accounting Policies (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2012
Basic earnings per share:
Net income attributable to RCIHH shareholders	$ 2,404	$ 4,423	$ 691	$ 3,722	$ 2,647	$ 1,604	$ 2,195	$ 2,745	$ 2,185	$ 1,453	$ 1,823	$ 2,117	$ 11,240		$ 9,191		$ 7,578
Average number of common shares outstanding	9,546	10,179	9,883	9,661	9,575	9,504	9,479	9,514	9,685	9,633	9,725	9,720	9,816		9,518		9,691
Basic earnings per share													$ 1.15		$ 0.97		$ 0.78
Diluted earnings per share:
Net income attributable to RCIHH shareholders	2,404	4,423	691	3,722	2,647	1,604	2,195	2,745	2,185	1,453	1,823	2,117	11,240		9,191		7,578
Adjustment. to net earnings from assumed conversion of debentures													821	[1]	57	[1]	0	[1]
Adjusted net income attributable to RCIHH shareholders													$ 12,061		$ 9,248		$ 7,578
Average number of common shares outstanding:
Common shares outstanding													9,816		9,518		9,691
Potential dilutive shares resulting from exercise of warrants and options													9	[2]	4	[2]	6	[2]
Potential dilutive shares resulting from conversion of debentures													812	[1]	93	[1]	0	[1]
Total average number of common shares outstanding used for dilution	9,855	11,014	9,968	10,853	9,833	9,603	9,647	9,988	9,687	9,636	9,731	9,731	10,637		9,615		9,697
Diluted earnings per share:
Net income attributable to RCIHH shareholders	$ 0.25	$ 0.42	$ 0.07	$ 0.37	$ 0.28	$ 0.17	$ 0.23	$ 0.29	$ 0.23	$ 0.15	$ 0.19	$ 0.22	$ 1.13		$ 0.96		$ 0.78

[1] Represents interest expense on dilutive convertible securities that would not occur if they were assumed converted.

[2] All outstanding warrants and options were considered for the EPS computation.