Discontinued Operations (Details) Income Statement and Balance Sheet Disclosures (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income (Loss) from Discontinued Operation
Net investment income	$ 572	$ 1,136	$ 1,764
Net realized gain on investments	4,059	19,113	8,791
Other income	123	65	72
Revenue	4,754	20,314	10,627
Operating and other costs	(977)	(1,341)	(1,810)
Income before income taxes	3,777	18,973	8,817
Provision for income taxes		6,674	3,035
Income from operations	3,777	12,299	5,782
Loss on write down of assets to fair value	(6,920)
Net income (loss)	(3,143)	12,299	5,782
ASSETS
Available-for-sale investments		35,170
Cash and cash equivalents		25,998	6,244
Reinsurance receivables		15,475
Other assets		405
Assets of discontinued operations		77,048
LIABILITIES
Unpaid losses and loss adjustment expenses		23,292
Other liabilities		4,532
Total liabilities		27,824
Net carrying value		$ 49,224