Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income	$ 21,995	$ 19,212
Adjustments to reconcile net income to net cash from operating activities:
Provision for loan losses	61	119
Depreciation and amortization	1,171	1,255
Deferred income tax expense	1,466	829
Amortization of fees, discounts, and premiums, net	(493)	(469)
Amortization of right-of-use asset	2,761
Origination of loans held for sale	(7,982)	(9,912)
Proceeds from sales of loans held for sale	10,133	10,078
Gain on sale of loans, net	(1,540)	(72)
Net gain on sale of real estate owned		(4)
Gain on sale of investment securities available for sale	(153)
Gain on sale of investment securities held to maturity	(2,757)	(45)
Net loss on disposal of premises and equipment		6
ESOP expense	1,398	1,456
Share-based compensation expense	571	341
Increase in accrued interest receivable	(135)	(132)
Net increase in bank-owned life insurance	(835)	(865)
Net decrease in prepaid expenses and other assets	81	1,315
Net decrease in accounts payable and accrued expenses	(629)	(4,367)
Net decrease in lease liability	(2,638)
Net (decrease) increase in advance payments by borrowers for taxes and insurance	(46)	386
Net decrease in income taxes receivable		1,571
Net (decrease) increase in income taxes payable	(102)	924
Net cash from operating activities	22,327	21,626
Cash flows from investing activities:
Purchases of investment securities held to maturity	(9,210)	(14,983)
Principal repayments on investment securities held to maturity	42,698	43,959
Principal repayments on investment securities available for sale	1,187	224
Proceeds from sale of investment securities held to maturity	3,527	4,462
Proceeds from sale of investment securities available for sale	5,117
Loan originations, net of principal repayments on loans receivable	(48,782)	(85,547)
Purchases of Federal Home Loan Bank stock	(22,366)	(9,180)
Proceeds from redemption of Federal Home Loan Bank stock	21,736	7,628
Purchases of Federal Reserve Bank stock	(14)	(11)
Proceeds from bank-owned life insurance	788
Proceeds from sale of real estate owned		50
Purchases of premises and equipment	(718)	(363)
Net cash from investing activities	(6,037)	(53,761)
Cash flows from financing activities:
Net increase in deposits	2,769	31,869
Proceeds from advances from the Federal Home Loan Bank	557,200	215,700
Repayments of advances from the Federal Home Loan Bank	(543,400)	(180,700)
Proceeds from securities sold under agreements to repurchase	5,000
Repayments of securities sold under agreements to repurchase	(25,000)
Purchases of Fed Funds	10	10
Sales of Fed Funds	(10)	(10)
Proceeds from issuance of common stock	170
Repurchases of common stock	(1,597)	(9,270)
Cash dividends paid	(13,689)	(10,490)
Net cash from financing activities	(18,547)	47,109
Net (decrease) increase in cash and cash equivalents	(2,257)	14,974
Cash and cash equivalents at beginning of the period	47,063	32,089
Cash and cash equivalents at end of the period	44,806	47,063
Cash paid for:
Interest on deposits and borrowings	16,873	13,862
Income taxes	4,947	2,787
Supplemental disclosure of noncash investing and financing activities:
Company stock acquired through stock swap and net settlement transactions	3,703	1,282
Company stock repurchased through stock swap and net settlement transactions	3,789	1,282
Loans transferred to real estate owned		46
Loans securitized into investment securities	36,826
Dividends declared, not yet paid	82	$ 45
Establishment of right-of-use asset	14,341
Establishment of lease liability	14,821
Transfer of securities from held-to-maturity to available-for-sale	$ 11,390