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Other Borrowed Funds (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Federal Home Loan Bank advances |  |
Balance at year end | $ 1,223,950 | $ 749,027
Federal Home Loan Bank advances short-term |  |
Federal Home Loan Bank advances |  |
Balance at year end | 1,215,000 | 742,500
Rate on balance outstanding at year end (as a percent) | 0.17% | 0.15%
Average daily balance | 833,868 | 412,919
Average rate (as a percent) | 0.16% | 0.19%
Maximum amount outstanding at any month end | 1,280,500 | 1,005,500
Federal Home Loan Bank advances long-term |  |
Federal Home Loan Bank advances |  |
Balance at year end | 8,950 | 6,527
Rate on balance outstanding at year end (as a percent) | 3.53% | 3.51%
Average daily balance | 7,289 | 6,590
Average rate (as a percent) | 3.53% | 3.51%
Maximum amount outstanding at any month end | 8,993 | 6,650
Amortization of long-term advances for the next five years | $ 207,000 |
Period of amortization of long-term advances | 5 years |

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- Definition The annual amortization amount for Federal Home Loan Bank advances for the next five years. Update label as: Annual amortization of long-term advances for the next five years. + References No definition available. + Details
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- Definition This represents the period of amortization of the long-term advances in years. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Details
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- Definition The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The maximum balance outstanding at any month end during the period as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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