Consolidated Statements of Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income:
Loans receivable		$ 263,559	$ 228,841	$ 255,236
Debt securities available for sale and equity securities		34,221	30,211	28,376
Debt securities held to maturity		9,694	8,632	8,025
Federal funds and interest-earning deposits		474	430	413
Federal Home Loan Bank stock dividends		1,722	2,036	3,661
Total interest income		309,670	270,150	295,711
Interest expense:
Deposits		27,878	29,109	55,246
Borrowings		15,015	7,907	18,892
Total interest expense		42,893	37,016	74,138
Net interest income		266,777	233,134	221,573
Provision for (reversal of) credit losses	[1]	5,485	(9,953)	18,447
Net interest income after provision for (reversal of) credit losses		261,292	243,087	203,126
Non-interest income:
Bank-owned life insurance		7,393	5,994	6,620
Gain on securities transactions		210	2,025	370
Change in fair value of equity securities		(401)	(1,792)	767
Gain on sale of loans		178	10,790	5,444
Other non-interest income		10,380	8,940	6,983
Total non-interest income (loss)		30,400	38,831	31,270
Non-interest expense:
Compensation and employee benefits		116,926	99,534	100,687
Occupancy		22,589	20,071	19,170
Federal deposit insurance premiums		2,591	2,374	1,901
Advertising		2,865	2,358	2,641
Professional fees		8,158	7,363	5,810
Data processing and software expenses		13,362	11,497	10,285
Merger-related expenses		2,810	822	1,931
Loss on extinguishment of debt		0	2,851	1,158
Other non-interest expense		5,515	8,867	14,556
Total non-interest expense		174,816	155,737	158,139
Income before income tax expense		116,876	126,181	76,257
Income tax expense		30,703	34,132	18,654
Net income		$ 86,173	$ 92,049	$ 57,603
Earnings per share - basic (in dollars per share)		$ 0.82	$ 0.88	$ 0.52
Earnings per share - diluted (in dollars per share)		$ 0.81	$ 0.88	$ 0.52
Weighted average shares outstanding - basic (in shares)		105,580,823	104,156,112	109,755,924
Weighted average shares outstanding - diluted (in shares)		106,193,161	104,156,112	109,755,924
Demand deposit account fees
Non-interest income:
Revenue		$ 5,293	$ 3,803	$ 3,633
Title insurance fees
Non-interest income:
Revenue		3,423	6,088	5,034
Loan fees and service charges
Non-interest income:
Revenue		$ 3,924	$ 2,983	$ 2,419

[1] (1) The Company adopted ASU 2016-13 as of January 1, 2022. Prior year periods have not been restated.