Securities Available for Sale (Tables)

12 Months Ended

Dec. 31, 2012


	2012
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Agency obligations	$	90,443		574		—			91,017
Mortgage-backed securities		1,134,647		27,934		(256	)		1,162,325
State and municipal obligations		9,933		384		(1	)		10,316
Equity securities		307		37		—			344

	$	1,235,330		28,929		(257	)		1,264,002


	2011
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Agency obligations	$	105,130		442		(14	)		105,558
Mortgage-backed securities		1,221,988		31,206		(2,191	)		1,251,003
State and municipal obligations		11,066		553		(5	)		11,614
Corporate obligations		7,517		119		—			7,636
Equity securities		307		1		—			308

	$	1,346,008		32,321		(2,210	)		1,376,119

Securities Available for Sale by Contractual Maturity


	2012
	Amortized cost		Fair value
Due in one year or less	$	37,851		37,956
Due after one year through five years		62,110		62,931
Due after five years through ten years		415		446
Mortgage-backed securities		1,134,647		1,162,325
Equity securities		307		344

	$	1,235,330		1,264,002

Roll-Forward of Credit Loss Component of Other-than-Temporary Impairment


	December 31, 2012		December 31, 2011
Beginning credit loss amount	$	1,240		938
Add: Initial OTTI credit losses		—		—
Subsequent OTTI credit losses		—		302
Less: Realized losses for securities sold		—		—
Securities intended or required to be sold		—		—
Increases in expected cash flows on debt securities		—		—

Ending credit loss amount	$	1,240		1,240

Disclosure on Securities Available for Sale with Temporary Impairment


	December 31, 2012 Unrealized Losses
	Less than 12 months					12 months or longer					Total
	Fair value		Gross unrealized losses			Fair value		Gross unrealized losses			Fair value		Gross unrealized losses
Mortgage-backed securities	$	59,521		(205	)		11,012		(51	)		70,533		(256	)
State and municipal obligations		—		—			503		(1	)		503		(1	)

	$	59,521		(205	)		11,515		(52	)		71,036		(257	)


	December 31, 2011 Unrealized Losses
	Less than 12 months					12 months or longer					Total
	Fair value		Gross unrealized losses			Fair value		Gross unrealized losses			Fair value		Gross unrealized losses
Mortgage-backed securities	$	64,838		(278	)		12,453		(1,913	)		77,291		(2,191	)
State and municipal obligations		777		(5	)		—		—			777		(5	)
Agency obligations		5,032		(14	)		—		—			5,032		(14	)

	$	70,647		(297	)		12,453		(1,913	)		83,100		(2,210	)

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

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-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 03-1

-Paragraph 21

-Subparagraph a, b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 320

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-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 19, 20, 21

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563

+ Details

- Definition

Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

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