Schedule of Maturities of Federal Home Loan Bank Advances (Details) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
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| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | $ 865,024 | $ 1,215,024 |
| Maturity Within One Year [Member] | ||
| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | 815,024 | 0 |
| Maturity One to Three Years [Member] | ||
| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | 0 | 815,024 |
| Maturity Three to Five Years [Member] | ||
| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | 0 | 0 |
| Maturity Five to Ten Years [Member] | ||
| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | 0 | 0 |
| Maturity Over Ten Years [Member] | ||
| Schedule of Maturities of Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank advances | $ 50,000 | $ 400,000 |
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- Definition [Line Items] for Tabular disclosure of maturities of Federal Home Loan Bank advances. No definition available.
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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