INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Unrealized Gain (Loss) on Investments [Table Text Block]

The following tables present information related to the Company’s portfolio of securities available-for-sale and held-to-maturity at December 31, 2014 and 2013.

	Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses				Fair Value
	December 31, 2014
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Federal agency obligations		$	32,650		$	217		$	(50	)		$	32,817
Residential mortgage pass-through securities			58,836			1,531			(11	)			60,356
Commercial mortgage pass-through securities			3,042			4			—				3,046
Obligations of U.S. states and political subdivisions			8,201			205			—				8,406
Trust preferred securities			16,086			489			(269	)			16,306
Corporate bonds and notes			119,838			5,950			(11	)			125,777
Asset-backed securities			27,393			140			(31	)			27,502
Certificates of deposit			2,098			27			(2	)			2,123
Equity securities			376			—			(69	)			307
Other securities			12,941			33			(82	)			12,892
Total		$	281,461		$	8,596		$	(525	)		$	289,532
Investment Securities Held-to-Maturity:
U.S. Treasury and agency securities		$	28,264		$	920		$	—			$	29,184
Federal agency obligations			27,103			322			(28	)			27,397
Residential mortgage-backed securities			5,955			28			—				5,983
Commercial mortgage-backed securities			4,266			50			—				4,316
Obligations of U.S. states and political subdivisions			120,144			4,512			(60	)			124,596
Corporate bonds and notes			38,950			1,026			(7	)			39,969
Total		$	224,682		$	6,858		$	(95	)		$	231,445
Total investment securities		$	506,143		$	15,454		$	(620	)		$	520,977

	Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses				Fair Value
	December 31, 2013
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
U.S. Treasury and agency securities		$	14,344		$	—		$	(825	)		$	13,519
Federal agency obligations			20,567			29			(655	)			19,941
Residential mortgage pass-through securities			48,312			791			(229	)			48,874
Commercial mortgage pass-through securities			7,145			3			(157	)			6,991
Obligations of U.S. states and political subdivisions			30,804			711			(55	)			31,460
Trust preferred securities			19,763			150			(510	)			19,403
Corporate bonds and notes			154,182			4,930			(482	)			158,630
Asset-backed securities			15,733			246			—				15,979
Certificates of deposit			2,250			32			(20	)			2,262
Equity securities			376			—			(89	)			287
Other securities			5,671			68			(15	)			5,724
Total		$	319,147		$	6,960		$	(3,037	)		$	323,070
Investment Securities Held-to-Maturity:
U.S. Treasury and agency securities		$	28,056		$	—		$	(1,019	)		$	27,037
Federal agency obligations			15,249			23			(389	)			14,883
Residential mortgage-backed securities			2,246			—			(64	)			2,182
Commercial mortgage-backed securities			4,417			41			(62	)			4,396
Obligations of U.S. states and political subdivisions			127,418			1,303			(3,688	)			125,033
Corporate bonds and notes			37,900			149			(622	)			37,427
Total		$	215,286		$	1,516		$	(5,844	)		$	210,958
Total investment securities		$	534,433		$	8,476		$	(8,881	)		$	534,028

Investments Classified by Contractual Maturity Date [Table Text Block]

The following table presents information for investments in securities available-for-sale and held-to-maturity at December 31, 2014, based on scheduled maturities. Actual maturities can be expected to differ from scheduled maturities due to prepayment or early call options of the issuer.

	December 31, 2014
	Amortized Cost			Fair Value
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Due in one year or less		$	12,903		$	13,054
Due after one year through five years			42,369			43,670
Due after five years through ten years			93,793			98,615
Due after ten years			57,201			57,592
Residential mortgage pass-through securities			58,836			60,356
Commercial mortgage pass-through securities			3,042			3,046
Equity securities			376			307
Other securities			12,941			12,892
Total		$	281,461		$	289,532
Investment Securities Held-to-Maturity:
Due in one year or less		$	5,001		$	5,054
Due after one year through five years			9,211			9,367
Due after five years through ten years			70,030			72,302
Due after ten years			130,219			134,423
Residential mortgage-backed securities			5,955			5,983
Commercial mortgage-backed securities			4,266			4,316
Total		$	224,682		$	231,445
Total investment securities		$	506,143		$	520,977

Schedule of Realized Gain (Loss) [Table Text Block]

Gross gains and losses from the sales calls and maturities of investment securities for the years ended December 31, 2014, 2013 and 2012 were as follows:

(Dollars in Thousands)	Years Ended December 31,
	2014				2013				2012
Proceeds		$	81,844			$	122,165			$	130,059
Gross gains on sales of investment securities			2,837				2,451				2,905
Gross losses on sales of investment securities			19				88				23
Net gains on sales of investment securities			2,818				2,363				2,882
Less: tax provision on net gains			(986	)			(645	)			(879	)
Net gains on sales of investment securities		$	1,832			$	1,718			$	2,003

Schedule of OTTI Charges for period

Summary of Other-than-Temporary Impairment Charges

	Years Ended December 31,
	2014			2013			2012
	(Dollars in Thousands)
One variable rate private label CMO		$	—		$	—		$	484
Pooled trust preferred securities			—			628			68
Principal losses on a variable rate CMO			—			24			318
Total other-than-temporary impairment charges		$	—		$	652		$	870

Schedule of Preferred Security and Associated Ratings [Table Text Block]

The following table presents detailed information for each single issue trust preferred security held by the Company at December 31, 2014, of which all but one has at least one rating below investment grade.

Issuer	Class/ Tranche		Amortized Cost			Fair Value			Gross Unrealized Gain (Loss)			Lowest Credit Rating Assigned
	(dollars in thousands)
Countrywide Capital IV		n/a		$	1,771		$	1,805		34			BB
Countrywide Capital V		n/a			2,747			2,833		86			BB
Countrywide Capital V		n/a			250			257		7			BB
Nationsbank Cap Trust III		n/a			1,575			1,306		(269	)		BB
Morgan Stanley Cap Trust IV		n/a			2,500			2,535		35			BB
Morgan Stanley Cap Trust IV		n/a			1,743			1,773		30			BB
Goldman Sachs		n/a			1,000			1,185		185			BB
Stifel Financial		n/a			4,500			4,612		112			BBB	-
Total				$	16,086		$	16,306		220

Schedule of Unrealized Loss on Investments [Table Text Block]

The following tables indicate gross unrealized losses not recognized in income and fair value, aggregated by investment category and the length of time individual securities have been in a continuous unrealized loss position at December 31, 2014 and 2013:

	December 31, 2014
	Total							Less than 12 Months							12 Months or Longer
	Fair Value			Unrealized Losses				Fair Value			Unrealized Losses				Fair Value			Unrealized Losses
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Federal agency obligation		$	6,755		$	(50	)		$	2,770		$	(9	)		$	3,985		$	(41	)
Residential mortgage pass-through securities			5,694			(11	)			5,694			(11	)			—			—
Trust preferred securities			1,307			(269	)			—			—				1,307			(269	)
Corporate bonds and notes			1,961			(11	)			1,961			(11	)			—			—
Asset-backed securities			9,773			(31	)			9,773			(31	)			—			—
Certificates of deposit			369			(2	)			369			(2	)			—			—
Equity securities			307			(69	)			—			—				307			(69	)
Other securities			5,417			(82	)			1,978			(21	)			3,439			(61	)
Total		$	31,583		$	(525	)		$	22,545		$	(85	)		$	9,038		$	(440	)
Investment Securities Held-to-Maturity:
Federal agency obligation			3,228			(28	)			3,228			(28	)			—			—
Obligations of U.S. states and political subdivisions			8,341			(60	)			1,401			(3	)			6,940			(57	)
Corporate bonds and notes			993			(7	)			993			(7	)			—			—
Total			12,562			(95	)			5,622			(38	)			6,940			(57	)
Total Temporarily Impaired Securities		$	44,145		$	(620	)		$	28,167		$	(123	)		$	15,978		$	(497	)

	December 31, 2013
	Total							Less than 12 Months							12 Months or Longer
	Fair Value			Unrealized Losses				Fair Value			Unrealized Losses				Fair Value			Unrealized Losses
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
U.S. Treasury and agency securities		$	13,519		$	(825	)		$	13,519		$	(825	)		$	—		$	—
Federal agency obligation			17,200			(655	)			17,200			(655	)			—			—
Residential mortgage pass-through securities			18,293			(229	)			18,293			(229	)			—			—
Commercial mortgage pass-through securities			2,924			(157	)			2,924			(157	)			—			—
Obligations of U.S. states and political subdivisions			4,199			(55	)			4,199			(55	)			—			—
Trust preferred securities			5,306			(510	)			4,031			(211	)			1,275			(299	)
Corporate bonds and notes			32,498			(482	)			30,533			(448	)			1,965			(34	)
Certificates of deposit			552			(20	)			552			(20	)			—			—
Equity securities			287			(89	)			—			—				287			(89	)
Other securities			985			(15	)			—			—				985			(15	)
Total			95,763			(3,037	)			91,251			(2,600	)			4,512			(437	)
Investment Securities Held-to-Maturity:
U.S. Treasury and agency securities			27,037			(1,019	)			27,037			(1,019	)			—			—
Federal agency obligation			13,492			(389	)			13,197			(388	)			295			(1	)
Residential mortgage pass-through securities			2,182			(64	)			2,182			(64	)			—			—
Commercial mortgage-backed securities			1,395			(62	)			1,395			(62	)			—			—
Obligations of U.S. states and political subdivisions			66,034			(3,688	)			57,072			(2,957	)			8,962			(731	)
Corporate bonds and notes			27,210			(622	)			27,210			(622	)			—			—
Total			137,350			(5,844	)			128,093			(5,112	)			9,257			(732	)
Total Temporarily Impaired Securities		$	233,113		$	(8,881	)		$	219,344		$	(7,712	)		$	13,769		$	(1,169	)