Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of the year	$ (1,162)		$ 1,744		$ 1,736
Other comprehensive (loss) income before reclassification	4,726		(2,906)		8
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(186)		0		0
Other comprehensive income (loss)	4,540		(2,906)		8
Balance of AOCI at the end of the year	3,378		(1,162)		1,744
Changes in Fair Value of Available for Sale Securities
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of the year	(923)	[1]	2,042	[1]	2,105	[1]
Other comprehensive (loss) income before reclassification	4,676	[1]	(2,965)	[1]	(63)	[1]
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	(186)	[1]	0	[1]	0	[1]
Other comprehensive income (loss)	4,490	[1]	(2,965)	[1]	(63)	[1]
Balance of AOCI at the end of the year	3,567	[1]	(923)	[1]	2,042	[1]
Accretion of Other-than-temporary Impairment on Held-to-maturity Securities
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of the year	(239)	[1]	(298)	[1]
Other comprehensive (loss) income before reclassification	50	[1]	59	[1]
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income	0	[1]	0	[1]
Other comprehensive income (loss)	50	[1]	59	[1]
Balance of AOCI at the end of the year	(189)	[1]	(239)	[1]
Accretion of Other-than-temporary Impairment on Held-to-maturity Securities
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of the year					(369)	[1]
Other comprehensive (loss) income before reclassification					105	[1]
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income					0	[1]
Other comprehensive income (loss)					105	[1]
Balance of AOCI at the end of the year					(264)	[1]
Other-than-temporary Impairments on Securities Held-to-maturity
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Balance of AOCI at the beginning of the year					0	[1]
Other comprehensive (loss) income before reclassification					(34)	[1]
Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income					0	[1]
Other comprehensive income (loss)					(34)	[1]
Balance of AOCI at the end of the year					$ (34)	[1]

[1] All amounts are net of tax. Year ended December 31, 2012 Changes infair value ofavailable for sale securities (1) Accretion of other-than-temporaryimpairment on held to maturitysecurities (1) Other-than-temporary impairments on securities held to maturity (1) Total (In thousands)Balance of AOCI at the beginning of the year$2,105 $(369) $— $1,736Other comprehensive (loss) income before reclassification(63) 105 (34) 8Amounts reclassified from AOCI for gain on sale of investment securities available for sale included in net income— — — —Net current period other comprehensive (loss) income(63) 105 (34) 8Balance of AOCI at the end of the year$2,042 $(264) $(34) $1,744(1)All amounts are net of tax.