Business Combinations - Fair Value of the Assets Purchased, Including Goodwill, and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Aug. 21, 2020	Mar. 13, 2020	Dec. 31, 2019	Dec. 31, 2018	Oct. 19, 2018	Dec. 31, 2017
Assets:
Goodwill	$ 221,176			$ 205,286	$ 204,753		$ 147,578
First Bank of The Palm Beaches
Assets:
Cash			$ 34,749
Investment securities			447
Loans			146,777
Bank premises and equipment			6,086
Core deposit intangibles			819
Goodwill			6,861
Other assets			1,305
Total assets			197,044
Liabilities:
Deposits			173,741
Other liabilities			1,406
Total liabilities			175,147
First Green Bancorp, Inc.
Assets:
Cash						$ 29,434
Investment securities						32,145
Loans						631,497
Bank premises and equipment						16,828
Other real estate owned						410
Core deposit intangibles						9,494
Goodwill						56,731
Other assets						40,847
Total assets						817,386
Liabilities:
Deposits						624,289
Other liabilities						79,053
Total liabilities						703,342
Initially Measured | Fourth Street Banking Company
Assets:
Cash		$ 38,082
Investment securities		3,498
Loans		303,434
Bank premises and equipment		9,480
Core deposit intangibles		1,310
Goodwill		9,030
Other assets		7,088
Total assets		371,922
Liabilities:
Deposits		329,662
Other liabilities		543
Total liabilities		$ 330,205
Initially Measured | First Bank of The Palm Beaches
Assets:
Cash			34,749
Investment securities			447
Loans			146,839
Bank premises and equipment			6,086
Core deposit intangibles			819
Goodwill			6,799
Other assets			1,285
Total assets			197,024
Liabilities:
Deposits			173,741
Other liabilities			1,386
Total liabilities			175,127
Initially Measured | First Green Bancorp, Inc.
Assets:
Cash						29,434
Investment securities						32,145
Loans						631,497
Bank premises and equipment						16,828
Other real estate owned						410
Core deposit intangibles						10,170
Goodwill						56,198
Other assets						40,669
Total assets						817,351
Liabilities:
Deposits						624,289
Other liabilities						79,018
Total liabilities						703,307
Measurement Period Adjustments | First Bank of The Palm Beaches
Assets:
Cash			0
Investment securities			0
Loans			(62)
Bank premises and equipment			0
Core deposit intangibles			0
Goodwill			62
Other assets			20
Total assets			20
Liabilities:
Deposits			0
Other liabilities			20
Total liabilities			$ 20
Measurement Period Adjustments | First Green Bancorp, Inc.
Assets:
Cash						0
Investment securities						0
Loans						0
Bank premises and equipment						0
Other real estate owned						0
Core deposit intangibles						(676)
Goodwill						533
Other assets						178
Total assets						35
Liabilities:
Deposits						0
Other liabilities						35
Total liabilities						$ 35