Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
INTEREST INCOME
Loans receivable, including fees	$ 58,616,000	$ 43,457,000
Interest and dividends on investment securities, cash and cash equivalents, and certificates of deposit at other financial institutions	3,710,000	2,724,000
Total interest and dividend income	62,326,000	46,181,000
INTEREST EXPENSE
Deposits	7,321,000	3,920,000
Borrowings	2,228,000	334,000
Subordinated note	679,000	679,000
Total interest expense	10,228,000	4,933,000
NET INTEREST INCOME	52,098,000	41,248,000
PROVISION FOR LOAN LOSSES	1,540,000	750,000
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	50,558,000	40,498,000
NONINTEREST INCOME
Service charges and fee income	3,233,000	3,548,000
Bargain purchase gain	7,414,000	0
Gain on sale of loans	14,861,000	17,985,000
Loss on disposed fixed assets	(71,000)	0
Gain on sale of investment securities	171,000	380,000
Gain on sale of mortgage servicing rights (MSR)	0	1,062,000
Earnings on cash surrender value of BOLI	413,000	274,000
Other noninterest income	829,000	825,000
Total noninterest income	26,850,000	24,074,000
NONINTEREST EXPENSE
Salaries and benefits	28,538,000	26,595,000
Operations	6,709,000	6,205,000
Occupancy	3,042,000	2,672,000
Data processing	2,870,000	2,521,000
OREO expenses	2,000	0
Loan costs	2,801,000	2,652,000
Professional and board fees	1,872,000	1,697,000
Federal Deposit Insurance Corporation (FDIC) insurance	517,000	535,000
Marketing and advertising	747,000	716,000
Acquisition costs	1,389,000	0
Amortization of core deposit intangible	351,000	400,000
Total noninterest expense	48,838,000	43,993,000
INCOME BEFORE PROVISION FOR INCOME TAXES	28,570,000	20,579,000
PROVISION FOR INCOME TAXES	4,223,000	6,494,000
NET INCOME	$ 24,347,000	$ 14,085,000
Basic earnings per share (in dollars per share)	$ 6.58	$ 4.55
Diluted earnings per share (in dollars per share)	$ 6.29	$ 4.28