Business Combinations - Fair Value of Acquired Loans (Details) - USD ($) $ in Thousands	Aug. 21, 2020	Mar. 13, 2020	Oct. 19, 2018
Fourth Street Banking Company
Business Acquisition [Line Items]
Book Balance	$ 317,193
Fair Value	303,434
Fourth Street Banking Company | Construction and land development
Business Acquisition [Line Items]
Book Balance	9,197
Fair Value	8,851
Fourth Street Banking Company | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance	77,936
Fair Value	75,215
Fourth Street Banking Company | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance	76,014
Fair Value	71,171
Fourth Street Banking Company | Residential real estate
Business Acquisition [Line Items]
Book Balance	23,548
Fair Value	23,227
Fourth Street Banking Company | Commercial and financial
Business Acquisition [Line Items]
Book Balance	72,745
Fair Value	68,096
Fourth Street Banking Company | Consumer
Business Acquisition [Line Items]
Book Balance	2,748
Fair Value	2,694
Fourth Street Banking Company | PPP loans
Business Acquisition [Line Items]
Book Balance	55,005
Fair Value	$ 54,180
First Bank of The Palm Beaches
Business Acquisition [Line Items]
Book Balance		$ 150,342
Fair Value		146,777
First Bank of The Palm Beaches | Construction and land development
Business Acquisition [Line Items]
Book Balance		9,493
Fair Value		9,012
First Bank of The Palm Beaches | Commercial real estate - owner occupied
Business Acquisition [Line Items]
Book Balance		46,221
Fair Value		45,171
First Bank of The Palm Beaches | Commercial real estate - non-owner occupied
Business Acquisition [Line Items]
Book Balance		36,268
Fair Value		35,079
First Bank of The Palm Beaches | Residential real estate
Business Acquisition [Line Items]
Book Balance		47,569
Fair Value		47,043
First Bank of The Palm Beaches | Commercial and financial
Business Acquisition [Line Items]
Book Balance		9,659
Fair Value		9,388
First Bank of The Palm Beaches | Consumer
Business Acquisition [Line Items]
Book Balance		1,132
Fair Value		$ 1,084
First Green Bancorp, Inc.
Business Acquisition [Line Items]
Book Balance			$ 668,216
Fair Value			631,497
First Green Bancorp, Inc. | Commercial real estate
Business Acquisition [Line Items]
Book Balance			437,767
Fair Value			406,613
First Green Bancorp, Inc. | Commercial loans
Business Acquisition [Line Items]
Book Balance			56,288
Fair Value			54,973
First Green Bancorp, Inc. | Single family residential real estate
Business Acquisition [Line Items]
Book Balance			101,674
Fair Value			101,119
First Green Bancorp, Inc. | Construction/development/land
Business Acquisition [Line Items]
Book Balance			61,195
Fair Value			58,385
First Green Bancorp, Inc. | Consumer and other loans
Business Acquisition [Line Items]
Book Balance			9,156
Fair Value			8,942
First Green Bancorp, Inc. | PCD Loans
Business Acquisition [Line Items]
Book Balance			2,136
Fair Value			$ 1,465