Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest income:
Loans receivable	$ 51,709	$ 45,865	$ 103,969	$ 89,706
Debt securities available for sale and equity securities	7,900	4,922	15,559	11,336
Debt securities held to maturity	2,115	2,991	4,022	3,455
Federal funds and interest earning deposits	134	584	223	1,072
Federal Home Loan Bank stock dividends	874	657	1,846	1,244
Total interest income	62,732	55,019	125,619	106,813
Interest expense:
Deposits	15,250	9,194	28,929	17,293
Borrowings	6,639	4,810	13,463	9,442
Total interest expense	21,889	14,004	42,392	26,735
Net interest income	40,843	41,015	83,227	80,078
Provision for loan losses	112	2,400	548	4,400
Net interest income after provision for loan losses	40,731	38,615	82,679	75,678
Non-interest income:
Bank-owned life insurance	1,345	1,493	2,665	2,557
Loan fees and service charges	1,500	451	2,320	922
Gain on securities transactions	339	0	465	116
Change in fair value of equity securities	71	0	247	0
Gain on sale of loans	196	15	328	15
Other non-interest income	1,174	1,260	2,637	2,433
Total non-interest income	6,775	5,450	12,812	9,992
Non-interest expense:
Compensation and employee benefits	20,343	18,275	39,923	36,325
Occupancy	3,824	3,518	7,655	7,234
Federal deposit insurance premiums	462	473	887	901
Advertising	1,390	1,292	2,778	2,139
Professional fees	1,431	1,076	2,678	1,857
Data processing	669	672	1,307	1,314
Charitable contribution to foundation	0	34,767	0	34,767
Merger-related expenses	462	0	462	0
Other non-interest expense	3,260	1,695	5,710	3,246
Total non-interest expense	31,841	61,768	61,400	87,783
Income (loss) before income tax expense (benefit)	15,665	(17,703)	34,091	(2,113)
Income tax expense (benefit)	3,634	(2,961)	7,141	845
Net income (loss)	$ 12,031	$ (14,742)	$ 26,950	$ (2,958)
Basic and diluted earnings (loss) per share (in usd per share)	$ 0.11	$ (0.13)	$ 0.24	$ (0.03)
Weighted average shares outstanding - basic and diluted (in shares)	111,553,203	111,360,278	111,544,339	111,360,278
Demand deposit account fees
Non-interest income:
Revenue from contract with customer	$ 1,051	$ 976	$ 2,010	$ 1,920
Title insurance fees
Non-interest income:
Revenue from contract with customer	$ 1,099	$ 1,255	$ 2,140	$ 2,029