Deposits - Composition of Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Deposits [Abstract]
Non-interest-bearing demand deposits	$ 2,180,927	$ 2,158,420
Interest-bearing checking accounts	535,856	572,426
Money market demand accounts	1,323,287	1,106,272
Other savings	669,164	638,218
Time deposits (below $250,000)	544,759	532,589
Time deposits ($250,000 and above)	134,384	147,122
Total deposits	$ 5,388,377	$ 5,155,047