It is a rate of marketability discount under fair value inputs.

No definition available.

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- Definition

The fair value amount of impaired loans.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

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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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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

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- Definition

Rate at which loans or a loan portfolio are expected to prepay principal balances, used as an input to measure fair value.

+ References

+ Details

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746

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- Details

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- Details

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- Details

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Disclosures about Fair Value of Assets and Liabilities - Quantitative Information about Unobservable Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quantitative information about unobservable inputs
Mortgage servicing rights	$ 66,079	$ 53,670	$ 55,553	$ 52,913
Available for sale securities	$ 408,371	$ 325,874
Level 3 \| Minimum
Quantitative information about unobservable inputs
Constant prepayment rate (as a percent)	1.00%	0.00%
Level 3 \| Maximum
Quantitative information about unobservable inputs
Constant prepayment rate (as a percent)	36.00%	25.00%
Collateral-dependent impaired loans \| Level 3
Quantitative information about unobservable inputs
Collateral-dependent impaired loans	$ 2,126	$ 225
Marketability discount (as a percent)		40.00%
Collateral-dependent impaired loans \| Level 3 \| Minimum
Quantitative information about unobservable inputs
Marketability discount (as a percent)	5.00%
Collateral-dependent impaired loans \| Level 3 \| Maximum
Quantitative information about unobservable inputs
Marketability discount (as a percent)	47.00%
Municipals
Quantitative information about unobservable inputs
Available for sale securities	$ 6,688	$ 9,500
Municipals \| Level 3
Quantitative information about unobservable inputs
Available for sale securities	6,700
Mortgage servicing rights \| Level 3
Quantitative information about unobservable inputs
Mortgage servicing rights	$ 66,079	$ 53,670
Mortgage servicing rights \| Level 3 \| Minimum
Quantitative information about unobservable inputs
Discount rate (as a percent)	8.00%	8.00%
Mortgage servicing rights \| Level 3 \| Maximum
Quantitative information about unobservable inputs
Discount rate (as a percent)	13.00%	15.00%