Benefit Plans	12 Months Ended
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Benefit Plans	Benefit Plans ProAssurance maintains the ProAssurance Savings Plan that is intended to provide retirement income to eligible employees. ProAssurance provides employer contributions to the plan of between 5% and 10% of salary for qualified employees. During 2014 and 2013, ProAssurance also maintained similar plans of acquired entities prior to the plans being merged into the ProAssurance Savings Plan. ProAssurance incurred expense related to savings and retirement plans of $7.0 million, $6.0 million and $5.1 million during the years ended December 31, 2015, 2014 and 2013, respectively. ProAssurance also maintains the ProAssurance Plan that allows participating management employees to defer a portion of their current salary. ProAssurance incurred expense related to the ProAssurance Plan, as well as another plan acquired as a part of a business combination, of $0.4 million, $0.3 million, and $0.4 million during the years ended December 31, 2015, 2014 and 2013, respectively. ProAssurance deferred compensation liabilities totaled $14.9 million, $14.0 million and $13.1 million at December 31, 2015, 2014 and 2013, respectively. The liabilities included amounts due under the ProAssurance Plan and amounts due under individual agreements with current or former employees.

Benefit Plans

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

ProAssurance maintains the ProAssurance Savings Plan that is intended to provide retirement income to eligible employees. ProAssurance provides employer contributions to the plan of between 5% and 10% of salary for qualified employees. During 2014 and 2013, ProAssurance also maintained similar plans of acquired entities prior to the plans being merged into the ProAssurance Savings Plan. ProAssurance incurred expense related to savings and retirement plans of $7.0 million, $6.0 million and $5.1 million during the years ended December 31, 2015, 2014 and 2013, respectively.

ProAssurance also maintains the ProAssurance Plan that allows participating management employees to defer a portion of their current salary. ProAssurance incurred expense related to the ProAssurance Plan, as well as another plan acquired as a part of a business combination, of $0.4 million, $0.3 million, and $0.4 million during the years ended December 31, 2015, 2014 and 2013, respectively. ProAssurance deferred compensation liabilities totaled $14.9 million, $14.0 million and $13.1 million at December 31, 2015, 2014 and 2013, respectively. The liabilities included amounts due under the ProAssurance Plan and amounts due under individual agreements with current or former employees.