Fair Value of Financial Instruments (Changes In Company's Level 3 Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Assets Held-for-sale [Member]
Changes in Company's Level 3 assets [Roll Forward]
Beginning balance	$ 197,831	$ 304,313
Total gains or losses (realized/unrealized) Included in earnings	(487)	352
Purchases, issuances, and settlements [Abstract]
Issuances	2,125	1,664
Sales	(7,136)	(35,000)
Settlements	(49,021)	(62,754)
Charge-offs	(2,655)	(10,744)
Ending balance	140,657	197,831
The amount of total gains or (losses) for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	(487)	352
Investment In Unconsolidated Entity [Member]
Changes in Company's Level 3 assets [Roll Forward]
Beginning balance	59,273	74,473
Total gains or losses (realized/unrealized) Included in earnings		(3,689)
Purchases, issuances, and settlements [Abstract]
Settlements	(20,119)	(11,511)
Ending balance	39,154	59,273
The amount of total gains or (losses) for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date		(3,689)
Available-for-sale Securities [Member]
Changes in Company's Level 3 assets [Roll Forward]
Beginning balance	24,390	40,644
Transfers into level 3	100,664
Transfers out of level 3		(74,355)
Included in other comprehensive gain (loss)	688	(688)
Purchases, issuances, and settlements [Abstract]
Purchases		62,076
Settlements	(8,409)	(3,287)
Ending balance	117,333	24,390
Commercial Loans Held for Sale [Member]
Changes in Company's Level 3 assets [Roll Forward]
Beginning balance	688,471	503,316
Total gains or losses (realized/unrealized) Included in earnings	25,986	19,850
Purchases, issuances, and settlements [Abstract]
Issuances	1,795,376	866,303
Sales	(1,329,287)	(700,998)
Ending balance	1,180,546	688,471
The amount of total gains or (losses) for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	$ 963	$ (922)

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Charge-offs

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- Definition

Gains Losses For The Period Included In Earnings Due To The Change In Unrealized Gains Losses For Assets Held At Reporting Date

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No definition available.

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

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
-Paragraph 2
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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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-Publisher FASB
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Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
-Paragraph 2
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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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