Fair Value Measurements - Fair Value of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial assets:
Securities available for sale, at fair value	$ 1,533,942	$ 2,386,052
Derivative instruments	36,493	8,007
Financial liabilities:
Derivative instruments	22,056	13,436
Recurring
Financial assets:
Securities available for sale, at fair value	1,533,942	2,386,052
Derivative instruments	38,047	17,698
Mortgage loans held for sale in loans held for sale	110,105	453,533
Total financial assets	1,682,094	2,857,283
Financial liabilities:
Derivative instruments	33,185	13,803
Recurring \| Securities available for sale
Financial assets:
Securities available for sale, at fair value	1,533,942	2,386,052
Recurring \| Trust preferred securities
Financial assets:
Securities available for sale, at fair value		0
Recurring \| Level 1
Financial assets:
Securities available for sale, at fair value	0	0
Derivative instruments	0	0
Mortgage loans held for sale in loans held for sale	0	0
Total financial assets	0	0
Financial liabilities:
Derivative instruments	0	0
Recurring \| Level 1 \| Securities available for sale
Financial assets:
Securities available for sale, at fair value	0	0
Recurring \| Level 1 \| Trust preferred securities
Financial assets:
Securities available for sale, at fair value		0
Recurring \| Level 2
Financial assets:
Securities available for sale, at fair value	1,533,942	2,386,052
Derivative instruments	38,047	17,698
Mortgage loans held for sale in loans held for sale	110,105	453,533
Total financial assets	1,682,094	2,857,283
Financial liabilities:
Derivative instruments	33,185	13,803
Recurring \| Level 2 \| Securities available for sale
Financial assets:
Securities available for sale, at fair value	1,533,942	2,386,052
Recurring \| Level 2 \| Trust preferred securities
Financial assets:
Securities available for sale, at fair value		0
Recurring \| Level 3
Financial assets:
Securities available for sale, at fair value	0	0
Derivative instruments	0	0
Mortgage loans held for sale in loans held for sale	0	0
Total financial assets	0	0
Financial liabilities:
Derivative instruments	0	0
Recurring \| Level 3 \| Securities available for sale
Financial assets:
Securities available for sale, at fair value	$ 0	0
Recurring \| Level 3 \| Trust preferred securities
Financial assets:
Securities available for sale, at fair value		$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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