Represents the amortized cost basis of securities intended to sell.

No definition available.

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- Definition

Represents the number of securities intended to sell or sold.

+ References

No definition available.

+ Details

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- Definition

This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.

+ References

+ Details

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- Definition

The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=SL6284393-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=SL6284393-111563

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- Definition

Amount of increase (decrease) in the cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8B
-URI http://asc.fasb.org/extlink&oid=82897076&loc=SL6284393-111563

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- Definition

Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=109979856&loc=SL6284422-111562

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Investment Securities - Other-Than-Temporary Impairment (Details)	1 Months Ended	12 Months Ended
	Jan. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security	Dec. 31, 2017 USD ($) security
Investment securities
Total OTTI write-downs included in earnings		$ (24,085,000)
Number of securities intended to sell or sold \| security		48	0
Amortized cost of securities intended to sell		$ 898,200,000
Expected credit losses in debt securities		0	$ 0
OTTI related to credit losses		0	$ 0
U.S. Treasury securities
Investment securities
Total OTTI write-downs included in earnings		(13,634,000)
Government-sponsored enterprises debt securities
Investment securities
Total OTTI write-downs included in earnings		(1,344,000)
Government agency mortgage-backed securities
Investment securities
Total OTTI write-downs included in earnings		(146,000)
Government-sponsored enterprises mortgage-backed securities
Investment securities
Total OTTI write-downs included in earnings		(763,000)
Collateralized mortgage obligations: Government agency
Investment securities
Total OTTI write-downs included in earnings		(5,064,000)
Collateralized mortgage obligations: Government-sponsored enterprises
Investment securities
Total OTTI write-downs included in earnings		(2,711,000)
States and political subdivisions
Investment securities
Total OTTI write-downs included in earnings		$ (423,000)
Subsequent Event
Investment securities
Number of securities intended to sell or sold \| security	48
Additional loss from sale of securities	$ 2,600,000