Business Combinations - Fair Value of Acquired Loans (Details) - First Green Bancorp, Inc. $ in Thousands	Oct. 19, 2018 USD ($)
Business Acquisition [Line Items]
Book Balance	$ 668,216
Fair Value	631,497
Commercial real estate
Business Acquisition [Line Items]
Book Balance	437,767
Fair Value	406,613
Commercial loans
Business Acquisition [Line Items]
Book Balance	56,288
Fair Value	54,973
Single family residential real estate
Business Acquisition [Line Items]
Book Balance	101,674
Fair Value	101,119
Construction/development/land
Business Acquisition [Line Items]
Book Balance	61,195
Fair Value	58,385
Consumer and other loans
Business Acquisition [Line Items]
Book Balance	9,156
Fair Value	8,942
Purchased Credit Impaired
Business Acquisition [Line Items]
Book Balance	2,136
Fair Value	$ 1,465

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- Definition

Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

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- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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

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