Loans Receivable, Net - Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment and Based on Impairment Method Excluding PCI Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	$ 48,850	$ 60,735
Credit loss (benefit) expense	7,634	(12,346)
Charge-offs	(573)	(1,031)
Recoveries	913	1,492
Balance at period end	56,824	48,850
Commercial Real Estate - Investor
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	25,504	26,703
Credit loss (benefit) expense	(4,481)	(974)
Charge-offs	(8)	(345)
Recoveries	55	120
Balance at period end	21,070	25,504
Commercial real estate – owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	5,884	15,054
Credit loss (benefit) expense	(1,569)	(9,190)
Charge-offs	(62)	(65)
Recoveries	170	85
Balance at period end	4,423	5,884
Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	5,039	5,390
Credit loss (benefit) expense	561	(321)
Charge-offs	(60)	(154)
Recoveries	155	124
Balance at period end	5,695	5,039
Residential real estate
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	11,155	11,818
Credit loss (benefit) expense	13,275	(761)
Charge-offs	(56)	(254)
Recoveries	156	352
Balance at period end	24,530	11,155
Other consumer
Allowance for Loan and Lease Losses [Roll Forward]
Balance at period start	1,268	1,770
Credit loss (benefit) expense	(152)	(1,100)
Charge-offs	(387)	(213)
Recoveries	377	811
Balance at period end	$ 1,106	$ 1,268