Loans and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 22,381	$ 26,510
Charge-offs	(12)	(45)
Recoveries on loans previously charged off	20	196
Reversal for loan losses	(1,191)	(1,147)
Ending balance	21,198	25,514
Allowance for loan losses:
Individually evaluated for impairment	0		$ 0
Collectively evaluated for impairment	21,198		22,381
Total	21,198	25,514	22,381
Loans receivable:
Individually evaluated for impairment	1,958		1,535
Collectively evaluated for impairment	1,740,997		1,730,670
Total	1,742,955		1,732,205
Real Estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	16,797	18,894
Charge-offs	0	(18)
Recoveries on loans previously charged off	0	30
Reversal for loan losses	(195)	(213)
Ending balance	16,602	18,693
Allowance for loan losses:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	16,602		16,797
Total	16,602	18,693	16,797
Loans receivable:
Individually evaluated for impairment	1,754		1,314
Collectively evaluated for impairment	1,502,401		1,451,927
Total	1,504,155		1,453,241
Commercial and Industrial
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	5,310	7,222
Charge-offs	0	(5)
Recoveries on loans previously charged off	5	149
Reversal for loan losses	(959)	(898)
Ending balance	4,356	6,468
Allowance for loan losses:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	4,356		5,310
Total	4,356	6,468	5,310
Loans receivable:
Individually evaluated for impairment	204		221
Collectively evaluated for impairment	216,844		257,122
Total	217,048		257,343
Other Consumer
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	274	394
Charge-offs	(12)	(22)
Recoveries on loans previously charged off	15	17
Reversal for loan losses	(37)	(36)
Ending balance	240	353
Allowance for loan losses:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	240		274
Total	240	$ 353	274
Loans receivable:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	21,752		21,621
Total	$ 21,752		$ 21,621

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable.

+ References

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount excluding accrued interest, before allowance for credit loss, of financing receivable.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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