Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	COMMON STOCK	RETAINED EARNINGS	RETAINED EARNINGS Cumulative Impact of ASU 2016-13 Adoption (CECL)	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	TREASURY STOCK, AT COST
Beginning balance at Dec. 31, 2019		$ 186,345	$ 108,851	$ 0	$ 9,826	$ (5,713)
Net income	$ 30,519		30,519
Dividends declared			(9,552)
Other comprehensive income (loss)	10,724				10,724
Purchased shares						(14,238)
Issued shares under the Long Term Incentive Plan						1,305
Retained shares to cover tax withholdings under the Long Term Incentive Plan						(398)
Issued treasury shares under the Long Term Incentive Plan		(1,305)
Shares issued in contingent payments as part of a business combination		22,554
Stock compensation expense for unvested shares		1,050
Ending balance at Sep. 30, 2020	339,968	208,644	129,818		20,550	(19,044)
Beginning balance at Jun. 30, 2020		208,390	122,061		20,036	(19,135)
Net income	10,869		10,869
Dividends declared			(3,112)
Other comprehensive income (loss)	514				514
Issued shares under the Long Term Incentive Plan						110
Retained shares to cover tax withholdings under the Long Term Incentive Plan						(19)
Issued treasury shares under the Long Term Incentive Plan		(110)
Stock compensation expense for unvested shares		364
Ending balance at Sep. 30, 2020	339,968	208,644	129,818		20,550	(19,044)
Beginning balance at Dec. 31, 2020	350,097	208,763	138,073	$ (1,936)	22,032	(18,771)
Net income	$ 46,142		46,142
Accounting Standards Update [Extensible List]	ASU 2016-13
Dividends declared			(9,340)
Other comprehensive income (loss)	$ (7,772)				(7,772)
Purchased shares						(116)
Issued shares under the Long Term Incentive Plan						1,089
Retained shares to cover tax withholdings under the Long Term Incentive Plan						(416)
Issued treasury shares under the Long Term Incentive Plan		(1,089)
Shares issued in contingent payments as part of a business combination		0
Stock compensation expense for unvested shares		865
Ending balance at Sep. 30, 2021	377,524	208,539	172,939		14,260	(18,214)
Beginning balance at Jun. 30, 2021		208,312	160,042		16,804	(18,250)
Net income	16,011		16,011
Dividends declared			(3,114)
Other comprehensive income (loss)	(2,544)				(2,544)
Issued shares under the Long Term Incentive Plan						51
Retained shares to cover tax withholdings under the Long Term Incentive Plan						(15)
Issued treasury shares under the Long Term Incentive Plan		(51)
Stock compensation expense for unvested shares		278
Ending balance at Sep. 30, 2021	$ 377,524	$ 208,539	$ 172,939		$ 14,260	$ (18,214)