Mortgage Banking Activities (Tables)

6 Months Ended

Jun. 30, 2012

Mortgage Banking Activities [Abstract]

Capitalized mortgage servicing rights

	Six Months Ended June 30, 2012			Six Months Ended June 30, 2011
	(Dollars in thousands)
Balance, beginning of year	$	6,375		$	6,400
Originations		1,167			1,036
Amortized to expense		(1,282	)		(1,002	)
Balance, end of period		6,260			6,434
Less valuation allowance		(1,344	)		(58	)
Net balance	$	4,916		$	6,376

Valuation allowance for mortgage servicing rights

	Six Months Ended June 30, 2012			Six Months Ended June 30, 2011
	(Dollars in thousands)
Balance, beginning of year	$	(1,785	)	$	(285	)
Impairment charges		(507	)		—
Recoveries		948			227
Balance, end of period	$	(1,344	)	$	(58	)

Key economic assumptions in measuring the value of mortgage servicing rights

	June  30, 2012			December 31, 2011
Weighted average prepayment rate		444 PSA			475 PSA
Weighted average life (in years)		3.82			3.70
Weighted average discount rate		8	%		8	%