INVESTMENT SECURITIES (Tables)

6 Months Ended

Jun. 30, 2015

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.

	June 30, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Securities available for sale:
GSE obligations	$	19,930	$	101	$	—	$	20,031
SBA-guaranteed securities	55,417		156		260		55,313
Mortgage-backed securities issued by GSE	398,769		1,089		5,679		394,179
Corporate bonds	129,775		963		358		130,380
Non-agency RMBS	4,240		77		10		4,307
Non-agency CMBS	3,528		—		9		3,519
Municipal bonds	38,746		289		7		39,028
Other debt securities	245		—		—		245
Equity securities	2,381		12		380		2,013
Total securities available for sale	$	653,031	$	2,687	$	6,703	$	649,015
Securities held to maturity:
Municipal bonds	$	39,402	$	602	$	27	$	39,977

	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
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

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
June 30, 2015
Securities available for sale:
SBA-guaranteed securities	$	3,471	$	5	$	32,214	$	255	$	35,685	$	260
Mortgage-backed securities issued by GSE	132,048		1,891		119,173		3,788		251,221		5,679
Corporate bonds	31,008		250		3,721		108		34,729		358
Non-agency RMBS	1,081		10		—		—		1,081		10
Non-agency CMBS	3,519		9		—		—		3,519		9
Municipal bonds	5,153		7		—		—		5,153		7
Equity securities	1,800		380		—		—		1,800		380
Total temporarily impaired AFS securities	$	178,080	$	2,552	$	155,108	$	4,151	$	333,188	$	6,703
Securities held to maturity:
Municipal bonds	$	3,635	$	27	$	—	$	—	$	3,635	$	27
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

Trading Securities

The table below summarizes the number of investment securities in an unrealized loss position.

	June 30, 2015	December 31, 2014
Securities available for sale:
SBA-guaranteed securities	16	19
Mortgage-backed securities issued by GSE	69	76
Corporate bonds	9	5
Non-agency RMBS	2	1
Non-agency CMBS	1	—
Municipal bonds	9	6
Equity securities	2	4
Total number of AFS securities in an unrealized loss position	108	111
Securities held to maturity:
Municipal bonds	2	—
Total number of investment securities in an unrealized loss position	110	111

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. 

	June 30, 2015				December 31, 2014
	Amortized cost		Fair value		Amortized cost		Fair value
Securities available for sale:
Due within one year	$	72,634	$	73,131	$	30,365	$	30,536
Due after one year through five years	335,941		334,806		294,557		295,252
Due after five years through ten years	200,386		197,749		313,733		311,313
Due after ten years	41,689		41,316		32,484		32,455
Equity securities	2,381		2,013		3,017		2,865
	$	653,031	$	649,015	$	674,156	$	672,421
Securities held to maturity:
Due after one year through five years	$	27,215	$	27,617	$	20,177	$	20,747
Due after five years through ten years	8,540		8,638		15,836		16,092
Due after ten years	3,647		3,722		3,607		3,747
	$	39,402	$	39,977	$	39,620	$	40,586

The following table summarizes securities gains for the periods presented.

	Three months ended June 30,				Six months ended June 30,
	2015		2014		2015		2014
Gross gains on sales of securities available for sale	$	84	$	218	$	85	$	218
Gross losses on sales of securities available for sale	—		—		—		—
Total securities gains	$	84	$	218	$	85	$	218