Value Of Business Acquired

12 Months Ended

Dec. 31, 2012

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5. VALUE OF BUSINESS ACQUIRED

Details of VOBA and related interest and gross amortization for the years ended December 31,areas follows:

			2012		2011		2010
	(in thousands)
Balance, beginning of period		$	29,010	$	32,497	$	52,596
Amortization - Impact of assumption and experience unlocking and true-ups (1)			21,931		(1,489)		(1,494)
Amortization - All other (1)			(13,871)		(15,967)		(10,295)
Interest (2)			2,077		2,288		2,965
Change in unrealized gains/losses			3,943		11,681		(11,275)
Balance, end of year		$	43,090	$	29,010	$	32,497

(1) The weighted average remaining expected life of VOBA was approximately 5.06 years from the date of acquisition.

(2) The interest accrual rate for the VOBA related to the businesses acquired was6.18%, 4.81% and 4.97% for years ended December 31, 2012, 2011and 2010.

The following table provides estimated future amortization, net of interest, for the periods indicated (in thousands):

		2013		2014		2015		2016		2017
	(in thousands)
Estimated future VOBA amortization	$	7,544	$	6,012	$	4,930	$	4,051	$	3,487