Subsequent Events (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended
	Jan. 23, 2012	Dec. 31, 2011
Subsequent Events [Abstract]
Rentable square feet of office facilities	48,469
Additional lease terms, years		5
Letter of credit on lease agreement	$ 1,500,000
Tenant improvement allowance	2,000,000
Minimum lease commitment		$ 2,359,000