Borrowings (Advances from the Federal Home Loan Bank) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014
Advances From Federal Home Loan Banks [Line Items]
FHLB, Weighted Average Interest Rate	0.73%
Federal Home Loan Bank Advances [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	$ 359,912
Federal Home Loan Bank Advances [Member] \| April 3 2017 [Member] \| Four Million [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	4,615
FHLB, Weighted Average Interest Rate	1.24%
Settlement Date	Apr. 03, 2012
Maturity Date	Apr. 03, 2017
Federal Home Loan Bank Advances [Member] \| January 16, 2018 [Member] \| Twenty Five Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	25,000
FHLB, Weighted Average Interest Rate	2.18%
Settlement Date	Jan. 16, 2013
Maturity Date	Jan. 16, 2018
Federal Home Loan Bank Advances [Member] \| January 16, 2018 [Member] \| Thirty Million [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	30,000
FHLB, Weighted Average Interest Rate	2.19%
Settlement Date	Jan. 16, 2013
Maturity Date	Jan. 16, 2018
Federal Home Loan Bank Advances [Member] \| July 20, 2020 [Member] \| Ten Million [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	10,336
FHLB, Weighted Average Interest Rate	2.59%
Settlement Date	Jul. 19, 2013
Maturity Date	Jul. 20, 2020
Federal Loan Home Bank Advances Short Term Period Matured [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	289,961,000
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| Julyl 4, 2014 [Member] \| Twenty Five Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	25,000
FHLB, Weighted Average Interest Rate	0.42%
Settlement Date	Jun. 30, 2014
Maturity Date	Jul. 01, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 7, 2014 [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	25,000,000
FHLB, Weighted Average Interest Rate	0.35%
Settlement Date	Jun. 04, 2014
Maturity Date	Jul. 07, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 10, 2014 [Member] \| Fifty Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	50,000
FHLB, Weighted Average Interest Rate	0.37%
Settlement Date	Jun. 10, 2014
Maturity Date	Jul. 10, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 16, 2014 [Member] \| One Hundred Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	100,000
FHLB, Weighted Average Interest Rate	0.38%
Settlement Date	Jun. 16, 2014
Maturity Date	Jul. 16, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 24, 2014 [Member] \| Twenty Five Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	25,000
FHLB, Weighted Average Interest Rate	0.37%
Settlement Date	Jun. 24, 2014
Maturity Date	Jul. 24, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 30, 2014 [Member] \| Twenty Five Millions [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	25,000
FHLB, Weighted Average Interest Rate	0.38%
Settlement Date	Jun. 30, 2014
Maturity Date	Jul. 30, 2014
Federal Loan Home Bank Advances Short Term Period Matured [Member] \| July 1, 2014 [Member] \| Fourty Million [Member]
Advances From Federal Home Loan Banks [Line Items]
Borrowed fund	$ 39,961
FHLB, Weighted Average Interest Rate	0.35%
Settlement Date	Jun. 02, 2014
Maturity Date	Jul. 01, 2014