Investment Securities (Unrealized Losses and Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Investments [Line Items]
Held-to-maturity Securities, Fair Value, Total	$ 14,098	$ 11,277
Held-to-maturity Securities, Unrealized Losses	578	30
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	14,098	11,277
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months	578	30
Available-for-sale Securities, Fair Value, Total	28,199	32,784
Available-for-sale Securities, Unrealized Loss, Total	(379)	(404)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	26,217	29,385
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(337)	(276)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	1,982	3,399
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(42)	(128)
US Government agency obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Fair Value, Total	6,743	10,238
Available-for-sale Securities, Unrealized Loss, Total	(12)	(18)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	6,743	10,238
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(12)	(18)
Collateralized mortgage obligations GSE [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Fair Value, Total	833
Held-to-maturity Securities, Unrealized Losses	12
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	833
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(12)
Available-for-sale Securities, Fair Value, Total	9,826	4,703
Available-for-sale Securities, Unrealized Loss, Total	(211)	(27)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	9,826	4,703
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(211)	(27)
Corporate bonds [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Fair Value, Total	13,265	2,587
Held-to-maturity Securities, Unrealized Losses	566	11
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	13,265	2,587
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months	566	11
Available-for-sale Securities, Fair Value, Total	8,023	15,989
Available-for-sale Securities, Unrealized Loss, Total	(130)	(330)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	6,052	12,604
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(101)	(215)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	1,971	3,385
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(29)	(115)
State and municipal tax-exempt [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Fair Value, Total		8,690
Held-to-maturity Securities, Unrealized Losses		19
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months		8,690
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		19
Available-for-sale Securities, Fair Value, Total	3,097	1,095
Available-for-sale Securities, Unrealized Loss, Total	(12)	(11)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	3,097	1,095
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(12)	(11)
Certificates of deposit [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Fair Value, Total	499	745
Available-for-sale Securities, Unrealized Loss, Total	(1)	(5)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	499	745
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(1)	(5)
Equity securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Fair Value, Total	11	14
Available-for-sale Securities, Unrealized Loss, Total	(13)	(13)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	11	14
Available-for-sale Securities, Unrealized Loss More Than 12 Months	$ (13)	$ (13)