Accounting Policies - Error Correction (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of allowance for credit losses	$ 3,659,209		$ 3,590,331
Total assets	7,420,328		7,411,889
Borrowings	728,664		712,739
Total liabilities	6,742,878		6,688,680
Total liabilities and stockholders' equity	7,420,328		7,411,889
Net change in loans	(67,592)	$ 199,428
Net cash provided by investing activities	(555,959)	52,583
Proceeds from borrowings	228,597	2,909
Net cash provided by financing activities	56,350	193,671
Net Change in Cash and Cash Equivalents	$ (472,554)	279,625
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of allowance for credit losses			3,553,345
Total assets			7,374,903
Borrowings			675,753
Total liabilities			6,651,694
Total liabilities and stockholders' equity			7,374,903
Net change in loans		202,290
Net cash provided by investing activities		55,445
Proceeds from borrowings		47
Net cash provided by financing activities		190,809
Net Change in Cash and Cash Equivalents		279,625
Revision of Prior Period, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans, net of allowance for credit losses			36,986
Total assets			36,986
Borrowings			36,986
Total liabilities			36,986
Total liabilities and stockholders' equity			$ 36,986
Net change in loans		(2,862)
Net cash provided by investing activities		(2,862)
Proceeds from borrowings		2,862
Net cash provided by financing activities		$ 2,862