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Fair Value Measurements (Other Assumptions) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Deposits
Carrying amount of time deposits	$ 1,969,425	$ 1,973,468
Significant Unobservable Inputs (Level 3)
Loans
Carrying amount of fixed rate performing loans	1,522,893	1,515,437
Estimated fair value of fixed rate performing loans	1,498,527	1,469,231
Deposits
Carrying amount of time deposits	1,969,425	1,973,468
Estimated fair value of time deposits	1,970,714	1,976,156
Significant Other Observable Inputs (Level 2)
Other borrowed funds
Carrying amount of the long-term FHLB borrowings	436,601	436,690
Estimated fair value of long-term FHLB borrowings	$ 445,252	$ 436,238

X

- Definition

Represents the aggregate of long-term FHLB borrowings reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with fair value disclosures required in footnote disclosures to financial statements. Such borrowings are initially due beyond one year or beyond the normal operating cycle, if longer.

+ References

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- Definition

Represents the portion of fixed rate performing loans valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Fixed rate loan represents loans charging borrowers fixed rates of interest.

+ References

No definition available.

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- Definition

Represents the portion of time deposits valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Time deposits include certificates of deposits, individual retirement accounts and open accounts.

+ References

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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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Amount of loan with fixed rate of interest.

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Amount of time deposit liabilities, including certificates of deposit.

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