Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2020

Fair Values of Financial Instruments

Schedule of assets measured at fair value on a recurring basis categorized by level of inputs

			Fair Value Measurements at
			December 31, 2020
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Financial Assets
Available-for-sale debt securities:
U.S. Treasury & Agency securities	$	138,997	$	40,192	$	98,805	$	—
Mortgage-backed securities		33,814		—		33,814		—
Collateralized mortgage obligations		126,596		—		126,596		—
Collateralized debt obligations		187		—		—		187
Equity securities		5,118		5,118		—		—

			Fair Value Measurements at
			December 31, 2019
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Financial Assets
Available-for-sale debt securities:
U.S. Treasury securities	$	122,803	$	122,803	$	—	$	—
Mortgage-backed securities		23,104		—		23,104		—
Collateralized mortgage obligations		1,183		—		1,183		—
Collateralized debt obligations		199		—		—		199
Equity securities		5,009		5,009		—		—

Summary of reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs

	Fair Value Measurements Using Significant
	Unobservable Inputs (Level 3)
	Collateralized Debt Obligations
	2020		2019
Balance of recurring Level 3 assets at beginning of period	$	199	$	297
Total gains or losses (realized/unrealized):
Included in income-realized		—		—
Included in other comprehensive income (loss)		(10)		(6)
Principal maturities/settlements		(2)		(92)
Sales		—		—
Transfers in and/or out of Level 3		—		—
Balance of recurring Level 3 assets at end of period	$	187	$	199

Schedule of assets measured at fair value on a nonrecurring basis categorized by level of inputs

	Fair Value Measurements at December 31, 2020
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
	Fair		Assets		Inputs		Inputs
	Value		(Level 1)		(Level 2)		(Level 3)
Impaired loans:
Commercial real estate	$	8,240	$	—	$	—	$	8,240
Construction		5,015		—		—		5,015
Mortgage loans held for sale		19,375		—		19,375		—
Mortgage servicing rights		5,175		—		—		5,175

	Fair Value Measurements at December 31, 2019
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Fair Value		(Level 1)		(Level 2)		(Level 3)
Mortgage servicing rights	$	7,949	$	—	$	—	$	7,949

Schedule of quantitative information about nonrecurring Level 3 fair value measurements

	Quantitative Information about Level 3 Fair Value Measurements at December 31, 2020
					Range
	Fair Value		Valuation Technique	Unobservable Inputs	(Weighted Average) (1)
Impaired loans:
Commercial real estate	$	8,240	Sales comparison approach/Income capitalization approach	Adjustments for differences between the comparable sales and income data for similar loans and collateral underlying such loans	N/A (36%)
Construction	$	5,015	Hybrid of sales comparison and income capitalization approaches	Adjustments for differences between the comparable sales and income data for similar loans and collateral underlying such loans	N/A (15%)
Mortgage servicing rights	$	5,175	Discounted cash flow	Discount rate	9.5% -12.0%
					(11.6)%
				Prepayment speed	10.5% -37.0%
					(23.7)%
				Default rate	0.1% -0.2%
					(0.2)%

(1) The range and weighted average for an asset category consisting of a single investment represents the significant unobservable input used in the fair value of the investment.

	Quantitative Information about Level 3 Fair Value Measurements at December 31, 2019
					Range
	Fair Value		Valuation Technique	Unobservable Inputs	(Weighted Average) (1)
Mortgage servicing rights	$	7,949	Discounted cash flow	Discount rate	9.5% - 12.0% (11.9)%
				Prepayment speed	7.2% - 47.1% (21.3)%
				Default rate	0.1% - 0.3% (0.2)%

(1) The range and weighted average for an asset category consisting of a single investment represents the significant unobservable input used in the fair value of the investment.

Schedule of carrying amounts and estimated fair values of financial instruments not carried at fair value

	Fair Value Measurements at December 31, 2020
	Carrying		Fair
	Amount		Value		Level 1		Level 2		Level 3
Financial Assets
Cash and due from banks	$	998,497	$	998,497	$	998,497	$	—	$	—
Interest-bearing time deposits with other banks		7,021		7,021		7,021		—		—
Mortgage loans held for sale		2,909		3,052		—		3,052		—
Loans, net		2,434,356		2,521,874		—		—		2,521,874
Financial Liabilities
Time deposits		1,646,523		1,658,020		—		1,658,020		—
Federal Home Loan Bank borrowings		318,000		328,150		—		328,150		—
Subordinated notes, net		65,341		65,753		—		65,753		—

	Fair Value Measurements at December 31, 2019
	Carrying		Fair
	Amount		Value		Level 1		Level 2		Level 3
Financial Assets
Cash and due from banks	$	77,819	$	77,819	$	77,819	$	—	$	—
Interest-bearing time deposits with other banks		1,025		1,025		1,025		—		—
Mortgage loans held for sale		1,337		1,368		—		1,368		—
Loans, net		2,891,530		2,978,846		—		—		2,978,846
Financial Liabilities
Time deposits		1,154,076		1,161,490		—		1,161,490		—
Federal Home Loan Bank borrowings		229,000		227,333		—		227,333		—
Subordinated notes, net		65,179		65,650		—		65,650		—