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Loans and Allowance for Loan Losses - Rollforward of Purchase Credit Impaired Loans (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Gross Carrying Value
Gross carrying value, beginning balance	$ 42,837
Acquisitions	1,883
Business Combination Acquired Receivable Gross Contractual Transfer	0
Year-to-date settlements	12,020
Gross carrying value, ending balance	32,700
Accretable Yield
Accretable yield, beginning balance	(114)
Acquired Accretable Yield	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications (to) from Nonaccretable Difference	(7,505)
Year-to-date settlements	1,451
Accretable yield, ending balance	(6,168)
Nonaccretable Yield
Nonaccretable yield, beginning balance	(17,394)
Acquired Nonaccretable Yield	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	7,505
Year-to-date settlements	4,229
Nonaccretable yield, ending balance	(5,660)
Net Carrying Value
Net carrying value, beginning balance	25,329
Acquisitions	1,883
Business Combination Acquired Receivable Net Contractual Transfer	0
Year-to-date settlements	6,340
Net carrying value, ending balance	$ 20,872

X

- Definition

The amount of additions due to acquisition to the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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- Definition

The amount of additions due to acquisition to the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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- Definition

Business Combination Acquired Receivable Gross Contractual Transfer

+ References

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Business Combination Acquired Receivable Net Contractual Transfer

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- Definition

For receivables acquired in a business combination, the amount of acquisitions to the fair value of the receivables acquired.

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Business Combination, Acquired Receivables, Fair Value [Roll Forward]

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- Definition

For receivables acquired in a business combination, the amount of settlements to the fair value of the receivables acquired.

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- Definition

For receivables acquired in a business combination, the amount of acquisitions to the gross contractual amounts receivable.

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No definition available.

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Business Combination, Acquired Receivables, Gross Contractual Amount [Roll Forward]

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- Definition

For receivables acquired in a business combination, the amount of settlements to the gross contractual amounts receivable.

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- Definition

The amount of settlements of the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

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The amount of settlements of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Certain Loans Acquired in Transfer, Accretable Yield [Roll Forward]

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Certain Loans Acquired in Transfer, Nonaccretable Difference [Roll Forward]

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- Definition

Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 20
-Section 50
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The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

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Amount of increase of reclassification from nonaccretable difference to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
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Amount of reclassification (to) from nonaccretable difference (from) to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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