CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Total
Balance (Accounting Standards Update 2016-13) at Dec. 31, 2020			$ (937)		$ (937)
Balance at Dec. 31, 2020	$ 15,806	$ 275,807	300,804	$ 1,376	593,793
Net income			17,982		17,982
Other comprehensive (loss), net of tax				(1,751)	(1,751)
Common cash dividends declared			(949)		(949)
Stock-based compensation expense		841			841
Issuance of common stock under employee benefit plans	38	(298)			(260)
Balance at Mar. 31, 2021	15,844	276,350	316,900	(375)	608,719
Balance (Accounting Standards Update 2016-13) at Dec. 31, 2020			(937)		(937)
Balance at Dec. 31, 2020	15,806	275,807	300,804	1,376	593,793
Net income					71,896
Other comprehensive (loss), net of tax					(119)
Balance at Sep. 30, 2021	15,590	272,964	360,003	1,257	649,814
Balance at Mar. 31, 2021	15,844	276,350	316,900	(375)	608,719
Net income			22,349		22,349
Other comprehensive (loss), net of tax				4,179	4,179
Common cash dividends declared			(951)		(951)
Repurchase and cancellation of shares of common stock as a result of share repurchase program	(100)	(1,826)	(2,874)		(4,800)
Stock-based compensation expense		520			520
Issuance of common stock under employee benefit plans	20	440			460
Balance at Jun. 30, 2021	15,764	275,485	335,424	3,803	630,476
Net income			31,565		31,565
Other comprehensive (loss), net of tax				(2,546)	(2,546)
Common cash dividends declared			(946)		(946)
Repurchase and cancellation of shares of common stock as a result of share repurchase program	(193)	(3,134)	(6,040)		(9,367)
Stock-based compensation expense		504			504
Issuance of common stock under employee benefit plans	19	109			128
Balance at Sep. 30, 2021	15,590	272,964	360,003	1,257	649,814
Balance at Dec. 31, 2021	15,613	273,768	386,077	1,552	677,010
Net income			23,624		23,624
Other comprehensive (loss), net of tax				(27,340)	(27,340)
Common cash dividends declared			(939)		(939)
Repurchase and cancellation of shares of common stock as a result of share repurchase program	(77)	(1,338)	(3,000)		(4,415)
Stock-based compensation expense		751			751
Issuance of common stock under employee benefit plans	44	(811)			(767)
Balance at Mar. 31, 2022	15,580	272,370	405,762	(25,788)	667,924
Balance at Dec. 31, 2021	15,613	273,768	386,077	1,552	677,010
Net income					68,160
Other comprehensive (loss), net of tax					(76,409)
Balance at Sep. 30, 2022	16,885	372,086	422,958	(74,857)	737,072
Balance at Mar. 31, 2022	15,580	272,370	405,762	(25,788)	667,924
Net income			15,242		15,242
Other comprehensive (loss), net of tax				(24,286)	(24,286)
Common cash dividends declared			(1,059)		(1,059)
Issuance of shares of common stock as a result of the acquisition	2,071	115,143			117,214
Repurchase and cancellation of shares of common stock as a result of share repurchase program	(603)	(13,258)	(19,155)		(33,016)
Stock-based compensation expense		545			545
Issuance of common stock under employee benefit plans	16	558			574
Balance at Jun. 30, 2022	17,064	375,358	400,790	(50,074)	743,138
Net income			29,294		29,294
Other comprehensive (loss), net of tax				(24,783)	(24,783)
Common cash dividends declared			(1,012)		(1,012)
Repurchase and cancellation of shares of common stock as a result of share repurchase program	(190)	(4,181)	(6,114)		(10,485)
Stock-based compensation expense		382			382
Issuance of common stock under employee benefit plans	11	527			538
Balance at Sep. 30, 2022	$ 16,885	$ 372,086	$ 422,958	$ (74,857)	$ 737,072