Loans and Allowance for Loan Losses (Activity in Loss Share Receivable) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Loans and Allowance for Loan Losses [Abstract]
Beginning balance	$ 16,219	$ 29,868
Amortization	(2,427)	(5,918)	$ (5,747)
Charge-offs, write-downs and other (recoveries) losses	(2,442)	(8,264)
External expenses qualifying under loss share agreement	79	1,356
Adjustment due to changes in cash flow projections	(2,526)	(3,957)
Net payments to FDIC	934	3,134
Loss on termination of loss share agreements	(6,603)
Cash received from FDIC for final settlement of agreements	$ (3,234)
Ending balance		$ 16,219	$ 29,868

FDIC Indemnification Asset Amortization Accretion

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- Definition

FDIC Indemnification Asset Qualifying External Expenses

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No definition available.

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- Definition

FDIC Indemnification Asset, Write-Down For Termination Of Loss Share Agreement

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- Definition

Net payments paid to (received from) FDIC.

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- Definition

Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

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No definition available.

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- Definition

Amount of decreases to the indemnification asset due to cash payments received relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

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No definition available.

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- Definition

Amount of decreases to the indemnification asset due to write offs of loans, net of recoveries, relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

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No definition available.

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- Definition

Change in carrying amount of the indemnification asset relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). The change includes for example, but is not limited to, acquisitions, additional estimated losses, disposals, cash payments, accretion of discount and write-offs, net of recoveries.

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