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Long-Term Debt - Schedule of long-Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Long-term Debt, Fiscal Year Maturity [Abstract] |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five | $ 0 |
FHLB Advances |  |
Debt Instrument [Line Items] |  |
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year | 0 |
Long-term Debt, Fiscal Year Maturity [Abstract] |  |
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths | 100,000 | $ 150,000
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo | 50,000 | 100,000
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree | 100,000 | 50,000
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour | 50,000 | 100,000
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive | 100,000 | 0
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix |  | 100,000
Long-term Debt, Maturities, Repayments of Principal after Year Five | 0 |
Thereafter |  | 0
Total | $ 400,000 | $ 500,000
Long-term Debt, Fiscal Year Maturity, Average Rate [Abstract] [Abstract] |  |
LongTermDebtMaturitiesAverageRateInNextTwelveMonths | 1.92% | 2.04%
LongTermDebtMaturitiesAverageRateInYearTwo | 2.04% | 1.92%
LongTermDebtMaturitiesAverageRateInYearThree | 1.96% | 2.04%
LongTermDebtMaturitiesAverageRateInYearFour | 3.01% | 1.96%
LongTermDebtMaturitiesAverageRateInYearFive | 3.40% | 0.00%
LongTermDebtMaturitiesAverageRateInYearSix |  | 3.40%
Long Term Debt Maturities Average Rate In After Year Five | 0.00% |
Thereafter |  | 0.00%
Total | 2.45% | 2.27%

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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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