Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Summary of allowances for credit losses related to premium and agency receivables

At December 31, 2014 and 2013 ProAssurance had established allowances for credit losses related to premium and agency receivables as shown in the following table.

(in thousands)	Premium Receivables			Agency Receivables
Allowance for credit losses:
Balance at December 31, 2012	$	1,000		$	286
Estimated credit losses	236			—
Account write offs, net of recoveries	(246		)	(236		)
Balance at December 31, 2013	990			50
Estimated credit losses	299			—
Account write offs, net of recoveries	(299		)	—
Allowance acquired from acquisition	225			—
Balance at December 31, 2014	$	1,215		$	50

Schedule of Intangible Assets Excluding Goodwill

Information about ProAssurance's intangible assets is shown in the following table.

	Gross Carrying Value				Accumulated Amortization				Amortization Expense
	December 31				December 31				Year Ended December 31
(In millions)	2014		2013		2014		2013		2014		2013		2012
Intangible Assets
Non-amortizable	$	25.8	$	16.8
Amortizable	96.2		51.7		$	21.2	$	16.5	$	10.3	$	5.3	$	4.5
Total Intangible Assets	$	122.0	$	68.5

Other Liabilities

Other liabilities at December 31, 2014 and 2013 consisted of the following:

(In millions)	2014		2013
Unpaid dividends	$	167.7	$	18.5
Segregated portfolio cell (SPC) dividends payable	15.8		—
All other	137.4		124.6
Total other liabilities	$	320.9	$	143.1