Consolidated Statements of Stockholders' Equity - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjustment	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjustment
Beginning balance (in shares) at Dec. 31, 2021				50,450,045
Beginning balance at Dec. 31, 2021	$ 667,573,000			$ 526,000		$ (28,347,000)		$ 526,806,000		$ 147,099,000		$ 21,489,000
Beginning balance (ASU 2016-13 [Member]) at Dec. 31, 2021		$ (2,610,000)			$ 0		$ 0		$ 0		$ (2,610,000)		$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	32,373,000			0		0		0		32,373,000		0
Other comprehensive gain (loss) - available-for-sale securities	(73,966,000)			0		0		0		0		(73,966,000)
Other comprehensive gain (loss) - cash flow hedges	3,048,000			$ 0				0		0		3,048,000
Preferred dividends	0
Issuance of shares from equity-based awards (in shares)				382,229
Issuance of shares from equity-based awards	(490,000)			$ 3,000		0		(493,000)		0		0
Open market common share repurchases	(20,154,000)			$ 0		(20,154,000)		0		0		0
Open market common share repurchases (in shares)				(1,296,325)
Warrants exercised, cash settled	0
Employee receivables from sale of stock	6,000			$ 0		0		0		6,000		0
Stock-based compensation	2,235,000			$ 0		0		2,235,000		0		0
Ending balance (in shares) at Jun. 30, 2022				49,535,949
Ending balance at Jun. 30, 2022	608,015,000			$ 529,000		(48,501,000)		528,548,000		176,868,000		(49,429,000)
Beginning balance (in shares) at Mar. 31, 2022				49,728,253
Beginning balance at Mar. 31, 2022	623,199,000			$ 529,000		(45,109,000)		527,468,000		161,323,000		(21,012,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	15,545,000			0		0		0		15,545,000		0
Other comprehensive loss - available-for-sale securities	(29,463,000)			0		0		0		0		(29,463,000)
Other comprehensive gain (loss) - cash flow hedges	1,046,000			$ 0		0		0		0		1,046,000
Preferred dividends	0
Issuance of shares from equity-based awards (in shares)				45,689
Issuance of shares from equity-based awards	(40,000)			$ 0		0		(40,000)		0		0
Open market common share repurchases	(3,392,000)			$ 0		(3,392,000)		0		0		0
Open market common share repurchases (in shares)				(237,993)
Stock-based compensation	1,120,000			$ 0		0		1,120,000		0		0
Ending balance (in shares) at Jun. 30, 2022				49,535,949
Ending balance at Jun. 30, 2022	$ 608,015,000			$ 529,000		(48,501,000)		528,548,000		176,868,000		(49,429,000)
Beginning balance (in shares) at Dec. 31, 2022	53,036,613		0	48,448,215
Beginning balance at Dec. 31, 2022	$ 608,599,000		$ 0	$ 530,000		(64,127,000)		530,658,000		206,095,000		(64,557,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	32,155,000			0		0		0		32,155,000		0
Other comprehensive gain (loss) - available-for-sale securities	3,298,000			0		0		0		0		3,298,000
Other comprehensive gain (loss) - cash flow hedges	(1,603,000)			0				0		0		(1,603,000)
Preferred dividends	103,000			0		0		0		103,000		0
Issuance of preferred shares (in shares)			7,750
Issuance of preferred shares	7,750,000			$ 0		0		7,750,000		0		0
Issuance of shares from equity-based awards (in shares)				205,272
Issuance of shares from equity-based awards	(698,000)			$ 2,000		0		(700,000)		0		0
Warrants exercised, cash settled	418,000			0		0		(418,000)		0		0
Stock-based compensation	$ 2,503,000			$ 0		0		2,503,000		0		0
Ending balance (in shares) at Jun. 30, 2023	53,241,885		7,750	48,653,487
Ending balance at Jun. 30, 2023	$ 651,483,000			$ 532,000		(64,127,000)		539,793,000		238,147,000		(62,862,000)
Beginning balance (in shares) at Mar. 31, 2023			7,750	48,600,618
Beginning balance at Mar. 31, 2023	645,491,000			$ 532,000		(64,127,000)		539,023,000		222,203,000		(52,140,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	16,047,000			0		0		0		16,047,000		0
Other comprehensive loss - available-for-sale securities	(7,948,000)			0		0		0		0		(7,948,000)
Other comprehensive gain (loss) - cash flow hedges	(2,774,000)			$ 0				0		0		(2,774,000)
Preferred dividends	103,000					0		0		(103,000)		0
Issuance of shares from equity-based awards (in shares)				52,869
Issuance of shares from equity-based awards	(77,000)			$ 0		0		(77,000)		0		0
Warrants exercised, cash settled	(418,000)			0		0		(418,000)		0		0
Stock-based compensation	$ 1,265,000			$ 0		0		1,265,000		0		0
Ending balance (in shares) at Jun. 30, 2023	53,241,885		7,750	48,653,487
Ending balance at Jun. 30, 2023	$ 651,483,000			$ 532,000		$ (64,127,000)		$ 539,793,000		$ 238,147,000		$ (62,862,000)