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Fair Value, Components of fair value and other relevant information (Details)	9 Months Ended
	Sep. 30, 2018 USD ($)
Fair Value of Servicing Rights	$ 9,208
Total Fair Value Adjustment	9,208
Rate lock commitments
Notional/Principal Amount	37,965
Fair Value of Servicing Rights	749
Interest Rate Movement Effect	(28)
Total Fair Value Adjustment	721
Forward Sale Commitments
Notional/Principal Amount	530,931
Interest Rate Movement Effect	28
Total Fair Value Adjustment	28
Loans held-for-sale, net
Notional/Principal Amount	492,966
Fair Value of Servicing Rights	8,459
Total Fair Value Adjustment	$ 8,459

X

- Definition

Amount of addition (reduction) to the amount at which an instrument classified in derivative.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Amount of impairment on our loans held-for-sale related to changes in market interest rates.

+ References

No definition available.

+ Details

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X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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X

- Definition

The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)(6)
-URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746

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- Details

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