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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=36462937&loc=d3e19207-110258

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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=7882072&loc=d3e122625-111746

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Fair Value Measurement - Quantitative Information about Recurring Level 3 Fair Value Measurements (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended				9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Mortgage servicing rights [Member]	Dec. 31, 2013 Mortgage servicing rights [Member]	Sep. 30, 2014 Minimum [Member] Mortgage servicing rights [Member]	Dec. 31, 2013 Minimum [Member] Mortgage servicing rights [Member]	Sep. 30, 2014 Minimum [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]	Dec. 31, 2013 Minimum [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]	Sep. 30, 2014 Maximum [Member] Mortgage servicing rights [Member]	Dec. 31, 2013 Maximum [Member] Mortgage servicing rights [Member]	Sep. 30, 2014 Maximum [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]	Dec. 31, 2013 Maximum [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]	Sep. 30, 2014 Weighted Average [Member] Mortgage servicing rights [Member]	Dec. 31, 2013 Weighted Average [Member] Mortgage servicing rights [Member]	Sep. 30, 2014 Weighted Average [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]	Dec. 31, 2013 Weighted Average [Member] Mortgage servicing rights [Member] Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Mortgages Servicing Rights, Fair Value			$ 5,985	$ 6,165
Constant prepayment rate	10.40%	11.00%					6.00%	6.30%			22.40%	33.00%			10.40%	10.30%
Discount rate	10.00%	10.00%			10.00%	10.00%			12.00%	12.00%			10.00%	10.00%