Represents the range of maturities of debt securities held by the entity during the period.

No definition available.

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- Definition

Represents the number of trust preferred securities held by the entity during the period.

+ References

No definition available.

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- Definition

Represents number of Trust Preferred Securities Sold during period by the entity

+ References

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.5-02.2)

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- Definition

Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature within one year from the balance sheet date or the normal operating cycle, whichever is longer.

+ References

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-Name FASB Staff Position (FSP)

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-Name Accounting Research Bulletin (ARB)

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-Paragraph 4, 5

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- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

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This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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

-Publisher FASB

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This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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- Definition

The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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

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-Subparagraph (SX 210.9-04.13(h))

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-Subparagraph (SX 210.7-04.3)

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-Section 04

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-Subparagraph h

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 3

-Article 7

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Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 securities	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Available-for-sale: [Abstract]
Amortized Cost	$ 511,648		$ 511,648		$ 500,862
Gross Unrealized Gains	4,193		4,193		11,871
Gross Unrealized (Losses)	(15,537)		(15,537)		(4,424)
Fair Value	500,304		500,304		508,309
Number Of Trust Preferred Securities Sold	2
Gain (Loss) on Sale of Securities, Net	1,456	110	2,291	933
Realized Investment Gains (Losses) [Abstract]
Gross gains			2,452	933
Gross losses			(161)	0
U.S. Treasury securities and obligations of U.S. government corporations & agencies
Available-for-sale: [Abstract]
Amortized Cost	198,037		198,037		180,851
Gross Unrealized Gains	163		163		1,321
Gross Unrealized (Losses)	(6,708)		(6,708)		(3)
Fair Value	191,492		191,492		182,169
Obligations of states and political subdivisions
Available-for-sale: [Abstract]
Amortized Cost	65,175		65,175		53,064
Gross Unrealized Gains	1,154		1,154		3,163
Gross Unrealized (Losses)	(1,652)		(1,652)		(20)
Fair Value	64,677		64,677		56,207
Mortgage-backed securities: GSE residential
Available-for-sale: [Abstract]
Amortized Cost	238,749		238,749		252,310
Gross Unrealized Gains	2,836		2,836		7,162
Gross Unrealized (Losses)	(3,689)		(3,689)		(12)
Fair Value	237,896		237,896		259,460
Trust preferred securities
Available-for-sale: [Abstract]
Amortized Cost	3,652		3,652		4,974
Gross Unrealized Gains	0		0		0
Gross Unrealized (Losses)	(3,478)		(3,478)		(4,389)
Fair Value	174		174		585
Number of trust preferred securities			1
Gain (Loss) on Sale of Securities, Net	1,400
Trust preferred securities \| Maximum [Member]
Available-for-sale: [Abstract]
Maturities of Debt Securities			twenty-four years
Other securities
Available-for-sale: [Abstract]
Amortized Cost	6,035		6,035		9,663
Gross Unrealized Gains	40		40		225
Gross Unrealized (Losses)	(10)		(10)		0
Fair Value	$ 6,065		$ 6,065		$ 9,888