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Face (par) amount of debt instrument at time of issuance.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Shareholders' Equity (Additional Information) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Jan. 03, 2023 shares	Jan. 31, 2022 shares	Feb. 28, 2021 shares	Jan. 31, 2020 shares	Dec. 31, 2008 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
number of years	2
Dividends declared to shareholders \| $	$ 23,700	$ 22,100	$ 19,800
Subordinated Debt \| $	44,331	44,331
Junior Subordinated Debt
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Subordinated Debt \| $	43,000
Value Of Trust Preferred Securities Included In Tier 1 Capital \| $	43,000
Debt Instrument, Face Amount \| $								$ 43,000
Subsidiaries [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Dividends declared to shareholders \| $	$ 31,700	$ 41,700	$ 39,400
Share Repurchase Program 2020
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock repurchase program, shares of common stock approved for repurchase							750,000
Stock repurchased during period, shares			274,354
Shares repurchased, average cost per share \| $ / shares			$ 35.36
Share Repurchase Program 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock repurchase program, shares of common stock approved for repurchase						750,000
Stock repurchased during period, shares		217,931
Shares repurchased, average cost per share \| $ / shares		$ 46.25
Share Repurchase Program 2022
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock repurchase program, shares of common stock approved for repurchase					750,000
Stock repurchased during period, shares	225,245
Shares repurchased, average cost per share \| $ / shares	$ 45.46
Subsequent Event [Member] \| Share Repurchase Program 2023
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Stock repurchase program, shares of common stock approved for repurchase				750,000