Investment Securities - Gross Unrealized Losses on Available-for-sale Securities and the Related Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	$ 459,828	$ 327,268
Less than 12 months, unrealized losses	(20,429)	(4,111)
More than 12 months, fair value	102,375	21,743
More than 12 months, unrealized losses	(7,507)	(355)
Fair Value	562,203	349,011
Unrealized Losses	(27,936)	(4,466)
U.S. Treasury and government sponsored entities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	372,559	292,845
Less than 12 months, unrealized losses	(18,154)	(4,012)
More than 12 months, fair value	102,375	21,743
More than 12 months, unrealized losses	(7,507)	(355)
Fair Value	474,934	314,588
Unrealized Losses	(25,661)	(4,367)
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	28,584	4,953
Less than 12 months, unrealized losses	(708)	(77)
More than 12 months, fair value	0	0
More than 12 months, unrealized losses	0	0
Fair Value	28,584	4,953
Unrealized Losses	(708)	(77)
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	57,878	29,470
Less than 12 months, unrealized losses	(1,554)	(22)
More than 12 months, fair value	0	0
More than 12 months, unrealized losses	0	0
Fair Value	57,878	29,470
Unrealized Losses	(1,554)	$ (22)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, fair value	807
Less than 12 months, unrealized losses	(13)
More than 12 months, fair value	0
More than 12 months, unrealized losses	0
Fair Value	807
Unrealized Losses	$ (13)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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