Mortgage Servicing Rights (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2013

Dec. 31, 2012

Mortgage Servicing Rights [Abstract]

Mortgage Servicing Rights Activity

The following table presents the activity in the Company’s mortgage servicing rights:

	Three months ended March 31,
	2013			2012
	(In Thousands)
Mortgage servicing rights at beginning of the period	$	3,220		198
Additions	958			439
Amortization	(269		)	(22	)
Mortgage servicing rights at end of the period	3,909			615
Valuation allowance at end of period	—			—
Mortgage servicing rights at the end of the period, net	$	3,909		615

The following table presents the activity related to the Company’s mortgage servicing rights:

	Year ended December 31,
	2012			2011
	(In Thousands)
Mortgage servicing rights at beginning of the period	$	198		$	42
Additions	3,411			169
Amortization	(389		)	(13		)
Mortgage servicing rights at end of the period	3,220			198
Valuation allowance at end of period	—			—
Mortgage servicing rights at the end of the period, net	$	3,220		$	198

Estimated Amortization Expense of Mortgage Servicing Rights

The following table shows the estimated future amortization expense for mortgage servicing rights for the periods indicated:

		March 31,
		2013
		(In Thousands)
Estimate for the period ended December 31:	2013	$	862
	2014	935
	2015	765
	2016	597
	2017	429
	Thereafter	321
	Total	$	3,909

The following table shows the estimated future amortization expense for mortgage servicing rights at December 31, 2012 for the periods indicated:

		(In Thousands)
Estimate for the years ended December 31:	2013	890
	2014	747
	2015	603
	2016	459
	2017	316
	Thereafter	205
	Total	3,220