Securities (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013
Summary of pertinent information
Amortized Cost	$ 10,978	[1]
Gross Unrealized Gain/(Loss)	(2,044)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	(2,281)
Fair Value	6,653
Total Cumulative Credit Related Other- Than- Temporary Impairment	(10,848)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(13,129)
Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Amortized Cost	8,158	[1]
Gross Unrealized Gain/(Loss)	(2,044)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	(2,497)
Fair Value	3,617
Total Cumulative Credit Related Other- Than- Temporary Impairment	(9,997)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(12,494)
Private mortgage-backed securities [Member]
Summary of pertinent information
Amortized Cost	2,820	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	216
Fair Value	3,036
Total Cumulative Credit Related Other- Than- Temporary Impairment	(851)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(635)
Trust Preferred Security A [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	C1
Amortized Cost	1,283	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	(851)
Fair Value	432
Total Cumulative Credit Related Other- Than- Temporary Impairment	(3,676)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(4,527)
Trust Preferred Security B [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	D
Amortized Cost		[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery
Fair Value
Total Cumulative Credit Related Other- Than- Temporary Impairment	(3,481)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(3,481)
Trust Preferred Security C [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	C1
Amortized Cost	506	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	(319)
Fair Value	187
Total Cumulative Credit Related Other- Than- Temporary Impairment	(482)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(801)
Trust Preferred Security D [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	D
Amortized Cost		[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery
Fair Value
Total Cumulative Credit Related Other- Than- Temporary Impairment	(990)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(990)
Trust Preferred Security E [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	C1
Amortized Cost	2,081	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	(1,327)
Fair Value	754
Total Cumulative Credit Related Other- Than- Temporary Impairment	(1,368)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(2,695)
Trust Preferred Security F [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	B
Amortized Cost	1,878	[1]
Gross Unrealized Gain/(Loss)	(1,082)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery
Fair Value	796
Total Cumulative Credit Related Other- Than- Temporary Impairment
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date
Trust Preferred Security G [Member] | Pooled Trust Preferred Securities [Member]
Summary of pertinent information
Class	A1
Amortized Cost	2,410	[1]
Gross Unrealized Gain/(Loss)	(962)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery
Fair Value	1,448
Total Cumulative Credit Related Other- Than- Temporary Impairment
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date
Private Mortgage Backed-Securities-One [Member] | Private mortgage-backed securities [Member]
Summary of pertinent information
Class	2A1
Amortized Cost	1,974	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	125
Fair Value	2,099
Total Cumulative Credit Related Other- Than- Temporary Impairment	(766)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	(641)
Private Mortgage-Backed Securities-Two [Member] | Private mortgage-backed securities [Member]
Summary of pertinent information
Class	A19
Amortized Cost	846	[1]
Gross Unrealized Gain/(Loss)
Non-Credit Related Other-Than Temporary (Impairment)/Recovery	91
Fair Value	937
Total Cumulative Credit Related Other- Than- Temporary Impairment	(85)
Total Cumulative Other- Than- Temporary (Impairment)/Recovery to Date	$ 6

[1] The amortized cost reflects previously recorded OTTI charges recognized in earnings for the applicable securities.