Business Combinations - Purchase Price (Details) $ / shares in Units, shares in Thousands, $ in Thousands	Aug. 21, 2020 USD ($) $ / shares shares	Mar. 13, 2020 USD ($) $ / shares shares
Fourth Street Banking Company
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares	11,220
Shares issued upon conversion of convertible debt (in shares) | shares	5,405
Per share exchange ratio (in shares)	0.1275
Number of shares of common stock issued (in shares) | shares	2,120
Multiplied by common stock price per share (in dollars per share) | $ / shares	$ 19.40
Value of common stock issued	$ 41,121
Cash paid for vested stock options	596
Total purchase price	$ 41,717
First Bank of the Palm Beaches
Business Acquisition [Line Items]
Number of common shares outstanding (in shares) | shares		5,213
Per share exchange ratio (in shares)		0.2000
Number of shares of common stock issued (in shares) | shares		1,043
Multiplied by common stock price per share (in dollars per share) | $ / shares		$ 20.17
Value of common stock issued		$ 21,031
Cash paid for vested stock options		866
Total purchase price		$ 21,897