Business Combinations - Fair Value of the Assets Purchased, Including Goodwill and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Aug. 06, 2021	Dec. 31, 2020	Aug. 21, 2020	Mar. 13, 2020
Assets:
Goodwill	$ 252,154		$ 221,176
Legacy Bank of Florida
Assets:
Cash		$ 98,107
Investment securities		992
Loans		477,215
Bank premises and equipment		2,577
Core deposit intangibles		3,454
Goodwill		30,978
Other assets		15,532
Total assets		628,855
Liabilities:
Deposits		494,921
Other liabilities		42,705
Total liabilities		$ 537,626
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
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 Bank of the Palm Beaches | Initially Measured
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
First Bank of the Palm Beaches | Measurement Period Adjustments
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