A valuation allowance for financing receivables that are expected to be uncollectible.

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Period Type:	instant

- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

+ Details

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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.

+ Details

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Period Type:	duration

- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

+ Details

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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ALLL Activity (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
ALLL Activity (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allowance for loan and lease losses
Balance at beginning of period				$ 129,568				$ 129,572	$ 129,568	$ 129,572	$ 129,697
Provision for loan losses	$ 1,246	$ 3,194	$ 4,718	795	$ 2,886	$ 3,327	$ 3,013	1,598	9,953	10,824	2,333
Charge-offs									(17,807)	(19,331)	(11,496)
Recoveries									9,525	8,503	9,038
Balance at end of period	131,239				129,568				131,239	129,568	129,572
Residential Real Estate \| Residential Real Estate
Allowance for loan and lease losses
Balance at beginning of period				10,798				12,436	10,798	12,436	14,427
Provision for loan losses									474	(1,521)	(1,734)
Charge-offs									(728)	(199)	(464)
Recoveries									87	82	207
Balance at end of period	10,631				10,798				10,631	10,798	12,436
Commercial \| Commercial Real Estate
Allowance for loan and lease losses
Balance at beginning of period				68,515				65,773	68,515	65,773	67,877
Provision for loan losses									4,343	7,152	(2,686)
Charge-offs									(3,469)	(6,188)	(3,082)
Recoveries									3,059	1,778	3,664
Balance at end of period	72,448				68,515				72,448	68,515	65,773
Commercial \| Other Commercial
Allowance for loan and lease losses
Balance at beginning of period				39,303				37,823	39,303	37,823	32,525
Provision for loan losses									1,916	2,545	5,164
Charge-offs									(5,045)	(2,856)	(1,778)
Recoveries									1,986	1,791	1,912
Balance at end of period	38,160				39,303				38,160	39,303	37,823
Consumer and Other \| Home Equity
Allowance for loan and lease losses
Balance at beginning of period				6,204				7,572	6,204	7,572	8,998
Provision for loan losses									(471)	(1,103)	(520)
Charge-offs									(210)	(489)	(1,185)
Recoveries									288	224	279
Balance at end of period	5,811				6,204				5,811	6,204	7,572
Consumer and Other \| Other Consumer
Allowance for loan and lease losses
Balance at beginning of period				$ 4,748				$ 5,968	4,748	5,968	5,870
Provision for loan losses									3,691	3,751	2,109
Charge-offs									(8,355)	(9,599)	(4,987)
Recoveries									4,105	4,628	2,976
Balance at end of period	$ 4,189				$ 4,748				$ 4,189	$ 4,748	$ 5,968