Information About Segments of Business Textuals (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended			1 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 segment	Jun. 30, 2014 RMIC and RMICNC [Member]	Jun. 30, 2014 Maximum [Member] RMIC and RMICNC [Member]	Jul. 31, 2014 Subsequent Event [Member] RMIC and RMICNC [Member]
Segment Reporting Information
Number of major segments		3
Risk to capital ratio				25
Original deferred payment obligation percentage			50.00%
Revised deferred payment obligation percentage			40.00%
Percentage of deferred payment obligation to be paid			100.00%
Payment to subsidiary in anticipation of deferred payment obligation	$ 125.0
Payment of deferred payment obligation					$ 657