Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues:
Direct earned premiums	$ 249,810	$ 241,428	$ 231,419
Assumed earned premiums	60,756	51,047	40,872
Ceded earned premiums	(56,700)	(59,596)	(71,558)
Net earned premiums	253,866	232,879	200,733
Net investment income	30,198	31,338	32,138
Net realized gains	9,693	10,966	2,251
Fee income	3,316	3,309	4,631
Other income (loss)	49	47	(443)
Total revenues	297,122	278,539	239,310
Expenses:
Losses and loss adjustment expenses	171,698	169,367	120,295
Acquisition expenses	58,579	52,080	43,044
Other underwriting expenses	47,531	42,230	42,158
Interest expense	1,521	1,444	2,677
Corporate and other expenses	3,844	2,688	3,267
Total expenses	283,173	267,809	211,441
Earnings before income taxes	13,949	10,730	27,869
Income tax expense (benefit)	841	(3,394)	(2,082)
Net earnings	13,108	14,124	29,951
Less: Net earnings (loss) attributable to the non-controlling interest	1,269	3,282	(557)
Net earnings attributable to American Safety Insurance Holdings, Ltd.	$ 11,839	$ 10,842	$ 30,508
Net earnings per share:
Basic	$ 1.18	$ 1.04	$ 2.96
Diluted	$ 1.14	$ 1.01	$ 2.87
Weighted average number of shares outstanding:
Basic	10,073,304	10,393,766	10,302,525
Diluted	10,382,887	10,739,174	10,646,104