INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost, gross unrealized gains and losses, and fair value of investment securities

The following tables summarize the amortized cost, gross unrealized gains and losses, and fair value of investment securities available for sale and held to maturity by major classification.

	December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
GSE obligations	$	14,914	$	30	$	—	$	14,944
SBA-guaranteed securities	60,408		84		372		60,120
Mortgage-backed securities issued by GSE	428,076		1,086		3,879		425,283
Corporate bonds	118,799		1,261		148		119,912
Non-agency RMBS	4,961		3		1		4,963
Non-agency CMBS	3,576		2		—		3,578
Municipal bonds	39,907		355		4		40,258
Other debt securities	498		—		—		498
Marketable equity securities	3,017		1		153		2,865
Total securities available for sale	$	674,156	$	2,822	$	4,557	$	672,421
Securities held to maturity:
Municipal bonds	$	39,620	$	966	$	—	$	40,586

	December 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
GSE obligations	$	14,834	$	—	$	161	$	14,673
SBA-guaranteed securities	66,579		52		751		65,880
Mortgage-backed securities issued by GSE	216,818		69		11,627		205,260
Corporate bonds	109,423		1,800		483		110,740
Non-agency CMBS	5,867		71		—		5,938
Municipal bonds	600		1		—		601
Other debt securities	253		—		—		253
Marketable equity securities	677		366		—		1,043
Total securities available for sale	$	415,051	$	2,359	$	13,022	$	404,388
Securities held to maturity:
Corporate bonds	$	500	$	—	$	—	$	500

Schedule of gross unrealized losses and fair values of securities in a continuous unrealized loss position

The following tables summarize gross unrealized losses and fair values, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position. 

	Less than 12 months				12 months or more				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
December 31, 2014
Securities available for sale:
SBA-guaranteed securities	$	94	$	1	$	41,950	$	371	$	42,044	$	372
Mortgage-backed securities issued by GSE	152,186		1,117		149,746		2,762		301,932		3,879
Corporate bonds	18,123		64		3,767		84		21,890		148
Non-agency RMBS	1,318		1		—		—		1,318		1
Municipal bonds	1,953		4		—		—		1,953		4
Equity securities	2,711		153		—		—		2,711		153
Total temporarily impaired AFS securities	$	176,385	$	1,340	$	195,463	$	3,217	$	371,848	$	4,557
December 31, 2013
Securities available for sale:
GSE obligations	$	14,673	$	161	$	—	$	—	$	14,673	$	161
SBA-guaranteed securities	57,277		751		—		—		57,277		751
Mortgage-backed securities issued by GSE	198,885		11,627		—		—		198,885		11,627
Corporate bonds	19,420		483		—		—		19,420		483
Total temporarily impaired AFS securities	$	290,255	$	13,022	$	—	$	—	$	290,255	$	13,022

Schedule of amortized cost and fair value by contractual maturity

The amortized cost and fair values of securities available for sale, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. 

	December 31, 2014				December 31, 2013
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Securities available for sale:
Due within one year	$	30,365	$	30,536	$	677	$	678
Due after one year through five years	294,557		295,252		182,777		182,713
Due after five years through ten years	313,733		311,313		173,624		166,765
Due after ten years	32,484		32,455		57,296		53,189
Marketable equity securities	3,017		2,865		677		1,043
	$	674,156	$	672,421	$	415,051	$	404,388
Securities held to maturity:
Due after one year through five years	$	20,177	$	20,747	$	500	$	500
Due after five years through ten years	15,836		16,092		—		—
Due after ten years	3,607		3,747		—		—
	$	39,620	$	40,586	$	500	$	500

Schedule of securities gains (losses)

The following table summarizes securities gains (losses) for the periods presented.

	Year ended December 31,
	2014			2013			2012
Gross gains on sales of securities available for sale	$	453		$	1,250		$	1,335
Gross losses on sales of securities available for sale	(327		)	(35		)	(84		)
Total securities gains (losses)	$	126		$	1,215		$	1,251