Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings per Share
Net income	$ 8,006	$ 10,384	$ 4,507	$ 29,173
Less: preferred stock dividends	0	0	0	175
Net income available to common stockholders	$ 8,006	$ 10,384	$ 4,507	$ 28,998
Weighted average common shares (in shares)	52,136,286	48,351,553	52,104,372	46,239,021
Earnings per share (in dollars per share)	$ 0.15	$ 0.22	$ 0.09	$ 0.63
Dilutive Earnings Per Share
Net income available to common stockholders	$ 8,006	$ 10,384	$ 4,507	$ 28,998
Weighted average common shares (in shares)	52,136,286	48,351,553	52,104,372	46,239,021
Effect of dilutive shares (in shares)	423,840	812,996	463,219	842,706
Weighted average dilutive common shares (in shares)	52,560,126	49,164,549	52,567,591	47,081,727
Diluted earnings per share (in dollars per share)	$ 0.15	$ 0.21	$ 0.09	$ 0.61
Stock-based awards not included because to do so would be antidilutive (in shares)	1,214,433	541,556	1,053,393	507,167