Investment Securities (Amortized Cost and Estimated Fair Values) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	$ 66,024	$ 36,427
Held-to-maturity Securities, Unrealized Gains	2,313	1,254
Held-to-maturity Securities, Unrealized Losses	(30)
Held-to-maturity, Total investment securities, Estimated Fair Value	68,307	37,681
Available-for-sale Securities, Amortized Cost	134,035	107,543
Available-for-sale Securities, Unrealized Gains	1,657	913
Available-for-sale Securities, Unrealized Losses	(404)	(926)
Available-for-sale Securities, Estimated Fair Value	135,288	107,530
US Government agency obligations [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	7,266
Held-to-maturity Securities, Unrealized Gains	563
Held-to-maturity, Total investment securities, Estimated Fair Value	7,829
Available-for-sale Securities, Amortized Cost	35,424	43,698
Available-for-sale Securities, Unrealized Gains	133	194
Available-for-sale Securities, Unrealized Losses	(18)	(1)
Available-for-sale Securities, Estimated Fair Value	35,539	43,891
Government Sponsored Entities (GSE) mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	9,135	14,363
Held-to-maturity Securities, Unrealized Gains	435	493
Held-to-maturity, Total investment securities, Estimated Fair Value	9,570	14,856
Available-for-sale Securities, Amortized Cost	21,885	24,792
Available-for-sale Securities, Unrealized Gains	507	533
Available-for-sale Securities, Unrealized Losses		(12)
Available-for-sale Securities, Estimated Fair Value	22,392	25,313
Corporate bonds [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	6,500	1,548
Held-to-maturity Securities, Unrealized Gains	371	18
Held-to-maturity Securities, Unrealized Losses	(11)
Held-to-maturity, Total investment securities, Estimated Fair Value	6,860	1,566
Available-for-sale Securities, Amortized Cost	41,005	27,141
Available-for-sale Securities, Unrealized Gains	772	84
Available-for-sale Securities, Unrealized Losses	(330)	(878)
Available-for-sale Securities, Estimated Fair Value	41,447	26,347
Collateralized mortgage obligations GSE [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	7,204	8,139
Held-to-maturity Securities, Unrealized Gains	185	163
Held-to-maturity, Total investment securities, Estimated Fair Value	7,389	8,302
Available-for-sale Securities, Amortized Cost	21,526	6,148
Available-for-sale Securities, Unrealized Gains	151	24
Available-for-sale Securities, Unrealized Losses	(27)	(20)
Available-for-sale Securities, Estimated Fair Value	21,650	6,152
State and municipal tax-exempt [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Amortized Cost	35,919	12,377
Held-to-maturity Securities, Unrealized Gains	759	580
Held-to-maturity Securities, Unrealized Losses	(19)
Held-to-maturity, Total investment securities, Estimated Fair Value	36,659	12,957
Available-for-sale Securities, Amortized Cost	3,195
Available-for-sale Securities, Unrealized Gains	1
Available-for-sale Securities, Unrealized Losses	(11)
Available-for-sale Securities, Estimated Fair Value	3,185
Asset-backed securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	9,723	5,737
Available-for-sale Securities, Unrealized Gains	90	78
Available-for-sale Securities, Estimated Fair Value	9,813	5,815
Certificates of deposit [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	1,250
Available-for-sale Securities, Unrealized Gains	3
Available-for-sale Securities, Unrealized Losses	(5)
Available-for-sale Securities, Estimated Fair Value	1,248
Equity securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	27	27
Available-for-sale Securities, Unrealized Losses	(13)	(15)
Available-for-sale Securities, Estimated Fair Value	$ 14	$ 12

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Publisher FASB

-Name FASB Staff Position (FSP)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 12

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 13

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 14

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Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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+ Details

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details

- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References+ Details

- Definition

As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.

+ References+ Details

- Definition

As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss.

+ References+ Details