Note 8 - Fair Value (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2021
Securities:
Certificates of deposit	$	—	$	12,389	$	—	$	12,389
Municipal securities		—		407		—		407
Mortgage-backed securities – residential		—		5,926		—		5,926
Collateralized mortgage obligations – residential		—		2,029		—		2,029
	$	—	$	20,751	$	—	$	20,751
December 31, 2020
Securities:
Certificates of deposit	$	—	$	15,117	$	—	$	15,117
Municipal securities		—		409		—		409
Mortgage-backed securities - residential		—		6,108		—		6,108
Collateralized mortgage obligations – residential		—		2,195		—		2,195
	$	—	$	23,829	$	—	$	23,829

Fair Value Measurements, Nonrecurring [Table Text Block]

	Fair Value Measurement Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Fair Value
March 31, 2021
Impaired loans - nonresidential real estate	$	—	$	—	$	268	$	268
December 31, 2020
Impaired loans - nonresidential real estate	$	—	$	—	$	268	$	268

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

	Fair Value		Valuation Technique(s)	Significant Unobservable Input(s)	Range (Weighted Average)
March 31, 2021
Impaired loans - nonresidential real estate	$	268	Sales comparison	Discount applied to valuation		22.0	%
December 31, 2020
Impaired loans - nonresidential real estate	$	268	Sales comparison	Discount applied to valuation		22.0	%

Fair Value, by Balance Sheet Grouping [Table Text Block]

			Fair Value Measurements at March 31, 2021 Using:
	Carrying Amount		Level 1		Level 2		Level 3		Total
Financial assets
Cash and cash equivalents	$	498,583	$	9,567	$	489,016	$	—	$	498,583
Securities		20,751		—		20,751		—		20,751
Loans receivable, net of allowance for loan losses		1,028,840		—		—		1,028,208		1,028,208
FHLB and FRB stock		7,490		—		—		—		N /A
Accrued interest receivable		4,695		—		108		4,587		4,695
Financial liabilities
Certificates of deposit		236,590		—		237,119		—		237,119
Borrowings		4,000		—		4,000		—		4,000

			Fair Value Measurements at December 31, 2020 Using:
	Carrying Amount		Level 1		Level 2		Level 3		Total
Financial assets
Cash and cash equivalents	$	503,496	$	14,115	$	489,381	$	—	$	503,496
Securities		23,829		—		23,829		—		23,829
Loans receivable, net of allowance for loan losses		1,002,578		—		—		1,004,854		1,004,854
FHLB and FRB stock		7,490		—		—		—		N /A
Accrued interest receivable		3,941		—		52		3,889		3,941
Financial liabilities
Certificates of deposit		253,000		—		253,906		—		253,906
Borrowings		4,000		—		3,998		—		3,998