Fair Value (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets measured at fair value on a recurring basis

			Fair Value Measurements at December 31, 2012 Using:
	December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs  (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Available for sale securities
US Treasury and government sponsored entities’ securities	$	163,692	$	—	$	163,692	$	—
Equity securities		313		313		—		—
Mortgage-backed GSE securities: residential		410,557		—		410,557		—
Interest rate caps		436		—		—		436

Assumptions used in the valuation of interest rate caps are back-tested for reasonableness on a quarterly basis

			Fair Value Measurements at December 31, 2011 Using:
	December 31, 2011		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Assets:
Available for sale securities
US Treasury and government sponsored entities’ securities	$	50,800	$	—	$	50,800	$	—
Equity securities		263		263		—		—
Mortgage-backed GSE securities: residential		408,535		—		408,535		—
Interest rate caps		1,933		—		—		1,933

Reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)

	Interest Rate Caps
	Twelve Months Ended			Twelve Months Ended
	December 31, 2012			December 31, 2011
	(Dollars in thousands)
Balance of recurring Level 3 assets at beginning of period	$	1,933		$	—
Total gains (losses) for the period
Included in other income		(979	)		(528	)
Included in other comprehensive income		—			—
Purchases		—			2,590
Amortization		(518	)		(129	)
Sales		—			—
Balance of recurring Level 3 assets at end of period	$	436		$	1,933

Quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis

	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range
	(Dollars in thousands)
Interest rate caps	$	436	Discounted cash flow	Discount rate	0.47% - 1.5%

	Fair Value		Valuation Technique(s)	Unobservable Input(s)	Range (Average)
	(Dollars in thousands)
Impaired loans:
Permanent real estate loans	$	6,166	Sales comparison approach	Adjustment for differences between comparable sales	12.07%-45.44% (28.75%)
			Income approach	Adjustment for differences in net operating income Capitalization rate	7.52%-10.73% (9.49%)
Construction loans		3,489	Sales comparison approach	Adjustment for differences between comparable sales	0.00%-25.00% (9.83%)
			Income approach	Adjustment for differences in net operating income Capitalization rate	10.00%
Commercial loans		257	Sales comparison approach	Adjustment for differences between comparable sales	1.6%-24.18% (11.15%)
			Income approach	Adjustment for differences in net operating income Capitalization rate	8.5%-10% (9.25%)
Foreclosed assets:
Permanent real estate loans		3,172	Sales comparison approach	Adjustment for differences between comparable sales	3.60%-16.47% (10.20%)
Construction loans		6,918	Sales comparison approach	Adjustment for differences between comparable sales	0.00%-47.24% (17.63%)

Assets Measured on a Non-Recurring Basis

			Fair Value Measurements at December 31, 2012 Using:
	December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	2012		(Level 1)		(Level 2)		(Level 3)
	(Dollars in thousands)
Assets:
Impaired loans:
Permanent real estate loans	$	6,166	$	—	$	—	$	6,166
Construction loans		3,489		—		—		3,489
Commercial loans		257		—		—		257
Mortgage servicing assets		4,920		—		4,920		—
Other real estate owned, net:
Permanent real estate loans		3,172		—		—		3,172
Construction loans		6,918		—		—		6,918

			Fair Value Measurements at December 31, 2011 Using:
	December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	2011		(Level 1)		(Level 2)		(Level 3)
	(Dollars in thousands)
Assets:
Impaired loans:
Permanent real estate loans	$	38,627	$	—	$	—	$	38,627
Construction loans		14,953		—		—		14,953
Consumer loans		282						282
Commercial loans		291		—		—		291
Mortgage servicing assets		3,921		—		3,921		—
Other real estate owned, net:
Permanent real estate loans		7,586		—		—		7,586
Construction loans		7,581		—		—		7,581

Carrying value and estimated fair values of financial instruments

	December 31, 2012 Carrying			Fair Value Measurements at December 31, 2012 Using:
	Value			(Level 1)			(Level 2)			(Level 3)
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	42,613		$	42,613		$	—		$	—
Available for sale securities		574,562			313			574,249			—
Loans held for sale		13,031			—			13,428			—
Loans, net		1,066,240			—			—			1,087,205
FHLB stock		26,464			n/a			n/a			n/a
Accrued interest receivable		6,238			—			2,380			3,858
Interest rate caps		436			—			—			436
Liabilities:
Deposits:
Checking, savings and money market accounts		(902,776	)		(902,776	)		—			—
Certificates of deposit		(559,298	)		—			(571,836	)		—
FHLB advances		(50,000	)		—			(57,077	)		—
Repurchase agreements and other		(90,598	)		—			(102,086	)		—
Advance payments by borrowers for taxes and insurance		(23,590	)		—			(23,590	)		—
Accrued interest payable		(563	)		—			(563	)		—

	December 31, 2011
	Carrying			Fair
	Value			Value
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	54,136		$	54,136
Available for sale securities		459,598			459,598
Loans held for sale		12,727			13,098
Loans, net		1,379,276			1,402,452
Federal Home Loan Bank stock		26,464			n/a
Accrued interest receivable		6,741			6,741
Interest Rate Caps		1,933			1,933
Liabilities:
Deposits:
Checking, savings and money market accounts		(817,082	)		(817,082	)
Certificates of deposit		(771,415	)		(782,146	)
Federal Home Loan Bank advances		(128,155	)		(136,727	)
Repurchase agreements and other		(90,618	)		(103,719	)
Advance payments by borrowers for taxes and insurance		(23,282	)		(23,282	)
Accrued interest payable		(610	)		(610	)