Investment securities (Tables)

12 Months Ended

Dec. 31, 2013

Amortized Cost and Fair Value of Investment Securities Aggregated by Investment Category

The amortized cost and fair value of investment securities aggregated by investment category at December 31, 2013 and 2012 are summarized as follows:

December 31, 2013	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
U.S. Government agencies	$	207			$	3	$	204
U.S. Government-sponsored enterprises		113,221	$	296		472		113,045
State and municipals:
Taxable		16,664		160		126		16,698
Tax-exempt		96,194		2,267		380		98,081
Corporate debt securities		4,433		32		78		4,387
Mortgage-backed securities:
U.S. Government agencies		20,179		113		63		20,229
U.S. Government-sponsored enterprises		45,251		763		40		45,974
Common equity securities		756		351		10		1,097
Total	$	296,905	$	3,982	$	1,172	$	299,715
Held-to-maturity:
U.S. Government-sponsored enterprises
State and municipals:
Taxable
Tax-exempt	$	7,372	$	11	$	777	$	6,606
Corporate debt securities
Mortgage-backed securities:
U.S. Government agencies		117		2				119
U.S. Government-sponsored enterprises		9,806		644				10,450
Common equity securities
Total	$	17,295	$	657	$	777	$	17,175

December 31, 2012	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Available-for-sale:
U.S. Government agencies
U.S. Government-sponsored enterprises	$	83,927	$	757	$	2	$	84,682
State and municipals:
Taxable
Tax-exempt		53,846		4,991				58,837
Corporate debt securities
Mortgage-backed securities:
U.S. Government agencies
U.S. Government-sponsored enterprises		15,962		839				16,801
Common equity securities		801		281		11		1,071
Total	$	154,536	$	6,868	$	13	$	161,391
Held-to-maturity:
U.S. Government agencies
U.S. Government-sponsored enterprises
State and municipals:
Taxable
Tax-exempt	$	1,083	$	16			$	1,099
Corporate debt securities
Mortgage-backed securities:
U.S. Government agencies		136		4				140
U.S. Government-sponsored enterprises		14,683		852				15,535
Common equity securities
Total	$	15,902	$	872			$	16,774

Maturity Distribution of Debt Securities Classified as Available-for-Sale

The maturity distribution of the amortized cost and fair value, of debt securities classified as held-to-maturity at December 31, 2013, is summarized as follows:

December 31, 2013	Amortized Cost		Fair Value
Within one year
After one but within five years	$	157	$	160
After five but within ten years		342		350
After ten years		6,873		6,096
		7,372		6,606
Mortgage-backed securities		9,923		10,569
Total	$	17,295	$	17,175

Fair Value and Unrealized Losses of Investment Securities in Continuous Unrealized Loss Position

The fair value and gross unrealized losses of investment securities with unrealized losses for which an OTTI has not been recognized at December 31, 2013 and 2012, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position, are summarized as follows:

	Less Than 12 Months				12 Months or More				Total
December 31, 2013	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Government agencies	$	204	$	3					$	204	$	3
U.S. Government-sponsored enterprises		66,391		468	$	3,114	$	4		69,505		472
State and municipals:
Taxable		10,621		126						10,621		126
Tax-exempt		36,471		1,157						36,471		1,157
Corporate debt securities		1,095		78						1,095		78
Mortgage-backed securities:
U.S. Government agencies		12,774		63						12,774		63
U.S. Government-sponsored enterprises		5,624		40						5,624		40
Common equity securities		137		10						137		10
Total	$	133,317	$	1,945	$	3,114	$	4	$	136,431	$	1,949

	Less Than 12 Months				12 Months or More				Total
December 31, 2012	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
U.S. Government agencies
U.S. Government-sponsored enterprises	$	3,169	$	2					$	3,169	$	2
State and municipals:
Taxable
Tax-exempt
Corporate debt securities
Mortgage-backed securities:
U.S. Government agencies
U.S. Government-sponsored enterprises
Common equity securities		141		9	$	48	$	2		189		11
Total	$	3,310	$	11	$	48	$	2	$	3,358	$	13

Available-for-sale Securities [Member]

Maturity Distribution of Debt Securities Classified as Available-for-Sale

The maturity distribution of the fair value, which is the net carrying amount, of the debt securities classified as available-for-sale at December 31, 2013, is summarized as follows:

December 31, 2013	Fair Value
Within one year	$	22,544
After one but within five years		104,683
After five but within ten years		29,066
After ten years		76,122
		232,415
Mortgage-backed securities		66,203
Total	$	298,618