CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Class B Preferred Stock Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI (Loss), Net	Total
Balance at Dec. 31, 2019	$ 3	$ 82	$ 216,468	$ 81,364	$ 1,207	$ 299,124
Balance (in shares) at Dec. 31, 2019	272,636	8,312,918
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock, net of forfeiture				1		1
Restricted stock, net of forfeiture (in shares)		(16,976)
Stock-based compensation			2,489			2,489
Impact of shares for tax withholding for restricted stock vesting			(597)			(597)
Impact of shares for tax withholding for restricted stock vesting (in shares)		(6,463)
Net income				27,690		27,690
Other comprehensive income (loss)					(123)	(123)
Balance at Sep. 30, 2020	$ 3	$ 82	218,360	109,055	1,084	328,584
Balance (in shares) at Sep. 30, 2020	272,636	8,289,479
Balance at Jun. 30, 2020	$ 3	$ 82	217,643	98,272	1,169	317,169
Balance (in shares) at Jun. 30, 2020	272,636	8,294,801
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted stock, net of forfeiture			735			735
Restricted stock, net of forfeiture (in shares)		(4,732)
Stock-based compensation			(18)			(18)
Stock-based compensation (in shares)		(590)
Net income				10,783		10,783
Other comprehensive income (loss)					(85)	(85)
Balance at Sep. 30, 2020	$ 3	$ 82	218,360	109,055	1,084	328,584
Balance (in shares) at Sep. 30, 2020	272,636	8,289,479
Balance at Dec. 31, 2020	$ 3	$ 82	218,899	120,830	973	340,787
Balance (in shares) at Dec. 31, 2020	272,636	8,295,272
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock		$ 23	162,664			162,687
Issuance of common stock (in shares)		2,300,000
Restricted stock, net of forfeiture		$ 1				1
Restricted stock, net of forfeiture (in shares)		93,090
Stock-based compensation			3,605			3,605
Impact of shares for tax withholding for restricted stock vesting			(2,246)			(2,246)
Impact of shares for tax withholding for restricted stock vesting (in shares)		(44,170)
Net income				41,668		41,668
Other comprehensive income (loss)					(3,848)	(3,848)
Balance at Sep. 30, 2021	$ 3	$ 106	382,922	162,498	(2,875)	542,654
Balance (in shares) at Sep. 30, 2021	272,636	10,644,192
Balance at Jun. 30, 2021	$ 3	$ 83	219,098	146,283	(1,872)	363,595
Balance (in shares) at Jun. 30, 2021	272,636	8,344,192
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock		$ 23	162,664			162,687
Issuance of common stock (in shares)		2,300,000
Stock-based compensation			1,160			1,160
Net income				16,215		16,215
Other comprehensive income (loss)					(1,003)	(1,003)
Balance at Sep. 30, 2021	$ 3	$ 106	$ 382,922	$ 162,498	$ (2,875)	$ 542,654
Balance (in shares) at Sep. 30, 2021	272,636	10,644,192