Other Assets (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2010
Other Assets
Other invested assets	$ 124,723,000	$ 142,911,000
Fixed assets, net	69,717,000	85,920,000
Real estate owned	68,419,000	128,946,000
Prepaid expenses and deferred charges	46,875,000	39,911,000
Other intangible assets, net	29,065,000	42,683,000	83,680,000
Derivatives fair values	26,699,000	79,427,000
Escrow advance receivable	18,520,000	14,891,000
Receivables from parent and affiliates	16,196,000	24,778,000
Income tax assets	10,832,000	41,643,000
Other	49,060,000	13,488,000
Total	460,106,000	614,598,000	1,640,283,000
Accumulated depreciation on fixed assets	148,700,000	164,600,000
Branch office leases included in other liabilities	800,000	2,800,000
Branch office leases included in fixed assets, net	$ 600,000	$ 1,800,000