Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Amortized Cost

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- Definition

Debt Securities, Available-For-Sale, Transfer To Held-To-Maturity, Fair Value

+ References

No definition available.

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- Definition

Number of Trust Preferred Securities

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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- Definition

Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

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- Definition

Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

No definition available.

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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

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-Publisher FASB
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-Topic 320
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-Section 50
-Paragraph 8B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=SL6284393-111563

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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.

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Investment Securities Narrative (Details) $ in Thousands		9 Months Ended
Investment Securities Narrative (Details) $ in Thousands	Aug. 01, 2018 USD ($)	Sep. 30, 2018 USD ($) security	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)
Schedule of Investments [Line Items]
Debt securities held-to-maturity, fair value	$ 641,700
Available-for-sale securities, transfers to held-to-maturity, Amortized Cost	665,500
Amortized cost		$ 2,071,734
Available-for-sale Securities, Fair Value Disclosure		2,008,816
Pooled Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held		11,500		$ 11,500
Amortized cost		0	$ 0
Available-for-sale Securities, Fair Value Disclosure		875	707
Residential Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Debt securities held-to-maturity, fair value	485,300
Available-for-sale securities, transfers to held-to-maturity, Amortized Cost	505,500
Amortized cost		497,614
Available-for-sale Securities, Fair Value Disclosure		478,177
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Debt securities held-to-maturity, fair value	156,400
Available-for-sale securities, transfers to held-to-maturity, Amortized Cost	$ 160,000
Amortized cost		269,582
Available-for-sale Securities, Fair Value Disclosure		261,140
Single-issuer Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Amortized cost		20,860	31,335
Available-for-sale Securities, Fair Value Disclosure		19,596	30,703
Unrealized loss on debt securities		$ 1,264
Number of Trust Preferred Securities \| security		11
Single-issuer Trust Preferred Securities [Member] \| External Credit Rating, BBB [Member]
Schedule of Investments [Line Items]
Amortized cost		$ 2,800
Available-for-sale Securities, Fair Value Disclosure		$ 2,500
Single-issuer Trust Preferred Securities [Member] \| Not Rated By An External Agency [Member]
Schedule of Investments [Line Items]
Number of Trust Preferred Securities \| security		1
Single-issuer Trust Preferred Securities [Member] \| External Credit Rating, Rated Below Investment Grade [Member]
Schedule of Investments [Line Items]
Amortized cost		$ 2,000
Available-for-sale Securities, Fair Value Disclosure		$ 1,900
Number of Trust Preferred Securities \| security		2
Collateral Pledged [Member]
Schedule of Investments [Line Items]
Securities pledged as collateral		$ 1,600,000	$ 1,800,000