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OTHER BORROWINGS - Components of Other Borrowings (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Subordinated Borrowing [Line Items]
Junior subordinated debentures	$ 184,150	$ 184,150
Junior Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	184,150	184,150
Junior Subordinated Debt [Member] | due June 17, 2034 [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	65,593	65,593
Junior Subordinated Debt [Member] | due September 20, 2034 [Member]
Subordinated Borrowing [Line Items]
Junior subordinated debentures	$ 118,557	$ 118,557

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- Definition

Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	credit
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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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- Details

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- Details

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