Quarterly report pursuant to Section 13 or 15(d)

Schedule of Underlying Assets of Federal Home Loan Bank Advances (Details)

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Schedule of Underlying Assets of Federal Home Loan Bank Advances (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items]  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged $ 1,653,297
Available-for-sale Securities [Member]
 
Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items]  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged 1,355,320
Loans Held-for-sale, Mortgages [Member]
 
Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items]  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged 116,149
Retained Interest [Member]
 
Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items]  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged 181,578
Restricted Cash and Cash Equivalents [Member]
 
Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items]  
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged $ 250