Securities (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Less Than 12 Months
Fair Value	$ 134,462	$ 67,063
Unrealized Losses	(12,967)	(352)
More Than 12 Months
Fair Value	4,859	4,032
Unrealized Losses	(7,407)	(7,882)
Total
Fair Value	139,321	71,095
Unrealised Losses	(20,374)	(8,234)
Mortgage Backed Securities - Residential
Less Than 12 Months
Fair Value	62,792	7,245
Unrealized Losses	(1,887)	(13)
More Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
Total
Fair Value	62,792	7,245
Unrealised Losses	(1,887)	(13)
Mortgage Backed Securities - Commercial
Less Than 12 Months
Fair Value	4,599	5,086
Unrealized Losses	(268)	(16)
More Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
Total
Fair Value	4,599	5,086
Unrealised Losses	(268)	(16)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value	31,480	46,121
Unrealized Losses	(9,158)	(246)
More Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
Total
Fair Value	31,480	46,121
Unrealised Losses	(9,158)	(246)
State and Municipal Obligations
Less Than 12 Months
Fair Value	35,591	8,611
Unrealized Losses	(1,654)	(77)
More Than 12 Months
Fair Value	985	0
Unrealized Losses	(103)	0
Total
Fair Value	36,576	8,611
Unrealised Losses	(1,757)	(77)
Collateralized Debt Obligations
Less Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
More Than 12 Months
Fair Value	3,874	4,032
Unrealized Losses	(7,304)	(7,882)
Total
Fair Value	3,874	4,032
Unrealised Losses	$ (7,304)	$ (7,882)