Schedule V. Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Allowance for bad debts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 896		$ 866		$ 825
Charged to costs and expenses	0		30		41
Deductions	278		0		0
Balance at end of period	618		896		866
Deferred tax asset valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	2,361	[1]	2,909	[1]	3,456	[1]
Charged to costs and expenses	0	[1]	0	[1]	0	[1]
Deductions	548	[1]	548	[1]	547	[1]
Balance at end of period	$ 1,813	[1]	$ 2,361	[1]	$ 2,909	[1]

[1] Recorded in connection with the purchase of American Indemnity Financial Corporation in 1999.