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Long-Term Debt - Schedule of long-Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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Long-term Debt, Fiscal Year Maturity [Abstract] |  |
2015 | $ 0 | $ 51,000
2016 | 350,000 | 26,000
2017 | 150,000 | 351,000
2018 | 75,000 | 125,049
2019 | 25,000 | 75,333
2020 |  | 25,462
Thereafter | 150,000 | 150,699
Total long-term debt, excluding prepayment penalty | 750,000 | 804,543
Prepayment penalty | (11,895) | (17,941)
Total long-term debt | $ 738,105 | $ 786,602
Long-term Debt, Fiscal Year Maturity, Average Rate [Abstract] [Abstract] |  |
2015 | 0.00% | 2.00%
2016 | 1.68% | 0.92%
2017 | 2.04% | 1.68%
2018 | 1.96% | 2.11%
2019 | 2.14% | 1.97%
2020 |  | 2.19%
Long-term Debt, Maturities, Repayments of Principal after Year Five | $ 150,000 |
Thereafter |  | 3.33%
Average rate, total, excluding prepayment penalty | 2.12% | 2.09%
Average rate, total | 2.16% | 2.89%
Long Term Debt Maturities Average Rate In After Year Five | 3.32% |
FHLB Advances |  |
Long-term Debt, Fiscal Year Maturity [Abstract] |  |
2015 | $ 0 | $ 51,000
2016 | 50,000 | 26,000
2017 | 150,000 | 51,000
2018 | 75,000 | 125,049
2019 | 25,000 | 75,333
2020 |  | 25,462
Thereafter |  | 150,699
Total long-term debt, excluding prepayment penalty | $ 450,000 | $ 504,543
Long-term Debt, Fiscal Year Maturity, Average Rate [Abstract] [Abstract] |  |
2015 | 0.00% | 2.00%
2016 | 1.25% | 0.92%
2017 | 2.04% | 1.28%
2018 | 1.96% | 2.11%
2019 | 2.14% | 1.97%
2020 |  | 2.19%
Long-term Debt, Maturities, Repayments of Principal after Year Five | $ 150,000 |
Thereafter |  | 3.33%
Average rate, total, excluding prepayment penalty | 2.37% | 2.30%
Long Term Debt Maturities Average Rate In After Year Five | 3.32% |
Broker Repurchase Agreements |  |
Long-term Debt, Fiscal Year Maturity [Abstract] |  |
2017 | $ 300,000 |
2018 |  | $ 300,000
Total long-term debt, excluding prepayment penalty | 300,000 | $ 300,000
Prepayment penalty | $ (9,800) |
Long-term Debt, Fiscal Year Maturity, Average Rate [Abstract] [Abstract] |  |
2017 | 1.75% |
2018 |  | 1.75%
Average rate, total, excluding prepayment penalty | 1.75% | 1.75%

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