Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 operating_lease branch_office	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Number of offices	16
Number of operating leases	21
Employment agreements, contract term	1 year
Rental expense	$ 0.7	$ 2.0	$ 1.9
Rental expense, net of sublease rental income	0.2
Branch closure obligation	$ 0.3