Reserves for Unpaid Losses and Loss Adjustment Expenses	9 Months Ended
Sep. 30, 2016
Reserves for Unpaid Losses and Loss Adjustment Expenses [Abstract]
Reserves for Unpaid Losses and Loss Adjustment Expenses	7. Reserves for Unpaid Losses and Loss Adjustment Expenses We recorded $2.0 million of unfavorable prior years’ net loss development during the three months ended September 30, 2016. We recorded $0.8 million of favorable prior years’ net loss development during the nine months ended September 30, 2016. For the year to date, the $0.8 million of net favorable development was attributable to $8.6 million net favorable development on claims incurred in the 2015 accident year, $0.2 million net favorable development on claims incurred in the 2012 accident year, $1.0 million net favorable development on claims incurred in the 2011 accident year and $0.8 million net favorable development on claims incurred in the 2010 accident year, partially offset by $2.8 million net unfavorable development on claims incurred during the 2014 accident year, $5.7 million net unfavorable development on claims incurred during the 2013 accident year and $1.3 million net unfavorable development on claims incurred in the 2009 and prior accident years. During the nine months ended September 30, 2016, our Standard Commercial P&C operating unit accounted for $3.3 million of the net favorable development, our Workers Compensation operating unit accounted for $3.0 million of the net favorable development, and our Specialty Commercial operating unit accounted for $0.4 million of the net favorable development. These favorable developments were partially offset by net unfavorable development of $3.6 million in our Specialty Personal Lines operating unit and $2.3 million of net unfavorable development in our MGA Commercial Products operating unit. The net favorable development for our Standard Commercial P&C operating unit of $3.3 million was driven primarily by net favorable claims development in our general liability line of business in the 2015 and prior accident years, partially offset by net unfavorable claims development in our occupational accident line of business in the 2015, 2014 and 2013 accident years. The net favorable development of $3.0 million for our Workers Compensation operating unit was attributable to the 2015 and prior accident years. The net favorable development of $0.4 million in our Specialty Commercial operating unit consisted of $0.2 million of net favorable development in our general aviation line of business, $0.1 million of net favorable development in our commercial excess liability line of business and $0.1 million of net favorable development in our medical professional liability line of business. The net unfavorable development for our Specialty Personal Lines operating unit of $3.6 million was mostly attributable to the 2015, 2014 and 2013 accident years. The net unfavorable development of $2.3 million in our MGA Commercial Products operating unit was primarily driven by net unfavorable development in our commercial auto liability and general liability lines of business in the 2014, 2013, 2012, 2009 and prior accident years, partially offset by net favorable development in the 2015, 2011 and 2010 accident years. We recorded $3.1 million of favorable prior years’ net loss development during the three months ended September 30, 2015. We recorded $4.6 million of favorable prior years’ net loss development during the nine months ended September 30, 2015. For the year to date, the $4.6 million of net favorable development was attributable to $4.0 million net favorable development on claims incurred in the 2014 accident year and $2.1 million net favorable development on claims incurred during the 2011 and prior accident years, partially offset by $0.5 million net unfavorable development on claims incurred in the 2013 accident year and $1.0 million net unfavorable development on claims incurred in the 2012 accident year. During the nine months ended September 30, 2015, our Standard Commercial P&C operating unit accounted for $4.0 million of the net favorable development, our Workers Compensation operating unit accounted for $0.8 million of the net favorable development, our MGA Commercial Products operating unit accounted for $0.5 million of the net favorable development and our Specialty Commercial operating unit accounted for $1.3 million of the net favorable development. These favorable developments were partially offset by net unfavorable development of $2.0 million in our Specialty Personal Lines operating unit. The net favorable development for our Standard Commercial P&C operating unit of $4.0 million was driven primarily by our general liability and commercial property lines of business in the 2014 and prior accident years. The net favorable development of $0.8 million for our Workers Compensation operating unit was primarily attributable to the 2014 through 2011 accident years. The net favorable development of $0.5 million in our MGA Commercial Products operating unit was primarily driven by net favorable development in our commercial auto liability and general liability lines of business. The net favorable development of $1.3 million in our Specialty Commercial operating unit consisted of $0.3 million of net favorable development in our commercial excess liability line of business, $0.3 million in our professional medical liability products and $0.7 million of net favorable development in our general aviation line of business. The net unfavorable development of $2.0 million in our Specialty Personal Lines operating unit was primarily attributable to the 2014 and prior accident years.

7. Reserves for Unpaid Losses and Loss Adjustment Expenses

We recorded $2.0 million of unfavorable prior years’ net loss development during the three months ended September 30, 2016. We recorded $0.8 million of favorable prior years’ net loss development during the nine months ended September 30, 2016. For the year to date, the $0.8 million of net favorable development was attributable to $8.6 million net favorable development on claims incurred in the 2015 accident year, $0.2 million net favorable development on claims incurred in the 2012 accident year, $1.0 million net favorable development on claims incurred in the 2011 accident year and $0.8 million net favorable development on claims incurred in the 2010 accident year, partially offset by $2.8 million net unfavorable development on claims incurred during the 2014 accident year, $5.7 million net unfavorable development on claims incurred during the 2013 accident year and $1.3 million net unfavorable development on claims incurred in the 2009 and prior accident years. During the nine months ended September 30, 2016, our Standard Commercial P&C operating unit accounted for $3.3 million of the net favorable development, our Workers Compensation operating unit accounted for $3.0 million of the net favorable development, and our Specialty Commercial operating unit accounted for $0.4 million of the net favorable development. These favorable developments were partially offset by net unfavorable development of $3.6 million in our Specialty Personal Lines operating unit and $2.3 million of net unfavorable development in our MGA Commercial Products operating unit.

The net favorable development for our Standard Commercial P&C operating unit of $3.3 million was driven primarily by net favorable claims development in our general liability line of business in the 2015 and prior accident years, partially offset by net unfavorable claims development in our occupational accident line of business in the 2015, 2014 and 2013 accident years. The net favorable development of $3.0 million for our Workers Compensation operating unit was attributable to the 2015 and prior accident years. The net favorable development of $0.4 million in our Specialty Commercial operating unit consisted of $0.2 million of net favorable development in our general aviation line of business, $0.1 million of net favorable development in our commercial excess liability line of business and $0.1 million of net favorable development in our medical professional liability line of business. The net unfavorable development for our Specialty Personal Lines operating unit of $3.6 million was mostly attributable to the 2015, 2014 and 2013 accident years. The net unfavorable development of $2.3 million in our MGA Commercial Products operating unit was primarily driven by net unfavorable development in our commercial auto liability and general liability lines of business in the 2014, 2013, 2012, 2009 and prior accident years, partially offset by net favorable development in the 2015, 2011 and 2010 accident years.

We recorded $3.1 million of favorable prior years’ net loss development during the three months ended September 30, 2015. We recorded $4.6 million of favorable prior years’ net loss development during the nine months ended September 30, 2015. For the year to date, the $4.6 million of net favorable development was attributable to $4.0 million net favorable development on claims incurred in the 2014 accident year and $2.1 million net favorable development on claims incurred during the 2011 and prior accident years, partially offset by $0.5 million net unfavorable development on claims incurred in the 2013 accident year and $1.0 million net unfavorable development on claims incurred in the 2012 accident year. During the nine months ended September 30, 2015, our Standard Commercial P&C operating unit accounted for $4.0 million of the net favorable development, our Workers Compensation operating unit accounted for $0.8 million of the net favorable development, our MGA Commercial Products operating unit accounted for $0.5 million of the net favorable development and our Specialty Commercial operating unit accounted for $1.3 million of the net favorable development. These favorable developments were partially offset by net unfavorable development of $2.0 million in our Specialty Personal Lines operating unit.

The net favorable development for our Standard Commercial P&C operating unit of $4.0 million was driven primarily by our general liability and commercial property lines of business in the 2014 and prior accident years. The net favorable development of $0.8 million for our Workers Compensation operating unit was primarily attributable to the 2014 through 2011 accident years. The net favorable development of $0.5 million in our MGA Commercial Products operating unit was primarily driven by net favorable development in our commercial auto liability and general liability lines of business. The net favorable development of $1.3 million in our Specialty Commercial operating unit consisted of $0.3 million of net favorable development in our commercial excess liability line of business, $0.3 million in our professional medical liability products and $0.7 million of net favorable development in our general aviation line of business. The net unfavorable development of $2.0 million in our Specialty Personal Lines operating unit was primarily attributable to the 2014 and prior accident years.