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Long-Term Borrowings - Components (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Long-term borrowings |  |
Long-term borrowings | $ 600,028 | $ 600,026
Finance lease |  |
Long-term borrowings |  |
Long-term borrowings | $ 28 | $ 26
Interest rate (as a percent) | 6.78% | 6.78%
FHLB short-term advance |  |
Long-term borrowings |  |
Long-term borrowings | $ 600,000 | $ 600,000
Remaining borrowing capacity | $ 1,400,000 | $ 1,300,000
Interest rate (as a percent) | 2.80% | 2.80%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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