LOANS - Rollforward of Purchased Loans (Details) - Purchased Loans - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance, January 1	$ 2,588,832	$ 861,595
Charge-offs	(184)	(151)
Accretion	2,980	1,571
Transfers to purchased other real estate owned	(2,523)	(457)
Payments received, net of principal advances	(116,834)	(43,971)
Ending balance	$ 2,472,271	$ 818,587

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Charge-Offs

No definition available.

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- Definition

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Payments Received

+ References

No definition available.

+ Details

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- Definition

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Transfers to Other Real Estate Owned

+ References

No definition available.

+ Details

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- Definition

Amount of 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
-Section 15
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

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- Definition

Amount of accretion recognized for 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

+ 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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