DEPOSITS - Schedule of Deposit Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits	$ 4,626,936	$ 4,516,903
Time deposits	1,251,626	1,390,792
Non-interest-bearing demand deposits	1,061,781	984,798
Interest-bearing demand and savings deposits	2,313,529	2,141,313
Total Deposits	$ 4,626,936	$ 4,516,903
Weighted average interest rate on certificates of deposit	0.83%	1.00%
Weighted average rate on interest-bearing demand and savings deposits	0.19%	0.22%
0.00% - 0.99%
Time deposits	$ 928,694	$ 803,737
0.00% - 0.99% \| Minimum
Weighted average interest rate on certificates of deposit	0.00%
0.00% - 0.99% \| Maximum
Weighted average interest rate on certificates of deposit	0.99%
1.00% - 1.99%
Time deposits	$ 194,740	425,061
1.00% - 1.99% \| Minimum
Weighted average interest rate on certificates of deposit	1.00%
1.00% - 1.99% \| Maximum
Weighted average interest rate on certificates of deposit	1.99%
2.00% - 2.99%
Time deposits	$ 110,265	143,417
2.00% - 2.99% \| Minimum
Weighted average interest rate on certificates of deposit	2.00%
2.00% - 2.99% \| Maximum
Weighted average interest rate on certificates of deposit	2.99%
3.00% and above
Time deposits	$ 17,927	$ 18,577
3.00% and above \| Minimum
Weighted average interest rate on certificates of deposit	3.00%

Represents the Weighted average interest rate on certificates of deposit, as of the indicated date.

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- Definition

The weighted average rate on interest-bearing demand and savings deposits.

+ References

No definition available.

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- Definition

The aggregate of all domestic interest-bearing and noninterest-bearing deposit liabilities.

+ References

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- Definition

The aggregate of all domestic and foreign interest-bearing deposit liabilities.

+ References

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- Definition

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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- Definition

Amount of time deposit liabilities, including certificates of deposit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

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 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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