Policy and Claim Reserves (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of claims and claim adjustment expense reserves
Reinsurance recoverable on unpaid losses	$ 1,541,000	$ 2,778,000
P&C Insurance Operations [Member]
Summary of claims and claim adjustment expense reserves
Balance, beginning of year	11,214,000	14,386,000	13,184,000
Reinsurance recoverable on unpaid losses	1,229,000	2,381,000	1,329,000
Net balance at end of year	9,985,000	12,005,000	11,855,000
Net losses:
Provision for claims and claim adjustment expenses for claims arising in current year	30,569,000	39,292,000
Estimated claims and claim adjustment expenses for claims arising in prior years	(1,476,000)	59,000
Total increases	29,093,000	39,351,000
Claims and claim adjustment expense payments for claims arising in:
Current year	26,272,000	33,012,000
Prior years	4,841,000	6,189,000
Total payments	$ 31,113,000	$ 39,201,000