Commitments and Contingencies (Changes To Anticipated Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Loss Contingency Accrual [Roll Forward]
Liabilities, beginning of period	$ 35,116	$ 47,093	$ 35,114	$ 46,381
Reserves provided (released), net	(7)	(99)	(5)	767
Payments	(175)	(11,049)	(175)	(11,203)
Liabilities, end of period	$ 34,934	$ 35,945	$ 34,934	$ 35,945

Amount of loss contingency liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Amount of cash outflow reducing loss contingency liability.

+ References

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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