Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Total assets	$ 795,834	$ 746,059
Standard Commercial P And C Business Unit [Member]
Total assets	148,302	144,673
Specialty Commercial Segment [Member]
Total assets	439,233	348,699
Personal Segment [Member]
Total assets	193,839	232,381
Corporate [Member]
Total assets	$ 14,460	$ 20,306