Other Debt - Repurchase Agreements (Details) (USD $)			6 Months Ended			0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Secured Debt [Member] Commercial Mortgage Backed Securities [Member]	Jun. 30, 2014 Secured Debt [Member] Debt Repurchase Agreement [Member]	Feb. 07, 2014 Secured Debt [Member] Debt Repurchase Agreement [Member]	Feb. 07, 2014 Secured Debt [Member] Debt Repurchase Agreement [Member] Minimum [Member] London Interbank Offered Rate (LIBOR) [Member]	Feb. 07, 2014 Secured Debt [Member] Debt Repurchase Agreement [Member] Maximum [Member] London Interbank Offered Rate (LIBOR) [Member]
Short-term Debt [Line Items]
Other debt, net	$ 146,158,000	$ 104,804,000			$ 49,000,000
Debt instrument, basis spread on variable rate						1.35%	1.75%
Line of Credit Facility, Length of Optional Renewable Period				90 days
Weighted average maturity			7 years 8 months 19 days
Financial instruments, owned and pledged as collateral, at fair value			144,800,000
Available-for-sale securities, restricted			$ 139,300,000