Unpaid Loss and Loss Adjustment Expenses Property and casualty (table) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Dec. 31, 2012
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Liability for Unpaid Claims and Claims Adjustment Expense, Gross		$ 84,534		$ 103,116
Policyholder Benefits and Claims Incurred, Net, Property, Casualty and Liability	(86,227)	(87,553)
Property and casualty	63,895	84,534
Property, Liability and Casualty Insurance Product Line [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Supplemental Information for Property, Casualty Insurance Underwriters, Reserves for Unpaid Claims and Claims Adjustment Expense	3,203	7,942		5,478
Liability for Claims and Claims Adjustment Expense	60,692	76,592		97,638
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year	(52,521)	(48,346)
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years	(42,428)	(53,426)
Property and casualty	63,895	84,534
Property, Liability and Casualty Insurance Product Line [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims Current Year	84,577	81,906
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims, Prior Years	(5,123)	(1,180)
Property and casualty		84,180
Other Expense [Member]
Liability for Unpaid Claims and Claims Adjustment Expense, Adjustment of Opening Balance [Line Items]
Policyholder Benefits and Claims Incurred, Net, Property, Casualty and Liability		$ 0	$ (405)