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Investments (Equity in Earnings (Loss) of Unconsolidated Subsidiaries) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investments, Debt and Equity Securities [Abstract]
Losses recorded	$ 3,591	$ 4,798	$ 11,712	$ 14,152
Tax credits recognized	3,226	4,369	9,880	13,106
Losses (gains) recorded	0	(264)	(182)	1,820
Tax credits recognized (reversed)	$ (100)	$ 103	$ 0	$ 309

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- Definition

Historic Tax Credits Investments and Other Tax Benefits, Amount

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- Definition

Income (Loss) from Historical Projects, Equity Method Investments

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- Definition

Amount of affordable housing tax credits and other tax benefits recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

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Amount of investment income (loss) of qualified affordable housing project investments accounted for using the equity method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985

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