Deposits - Schedule of Deposit Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Deposits	$ 4,489,337	$ 4,552,101
Time deposits	898,091	961,069
Non-interest-bearing demand deposits	1,176,285	1,209,822
Interest-bearing checking and savings accounts	2,414,961	2,381,210
Total Deposits	$ 4,489,337	$ 4,552,101
Weighted average interest rate on certificates of deposit	0.58%	0.60%
Weighted average rate on interest-bearing demand and savings deposits	0.12%	0.12%
0.00% - 0.99%
Time deposits	$ 777,469	$ 825,217
0.00% - 0.99% | Minimum
Weighted average interest rate on certificates of deposit	0.00%
0.00% - 0.99% | Maximum
Weighted average interest rate on certificates of deposit	0.99%
1.00% - 1.99%
Time deposits	$ 69,436	73,563
1.00% - 1.99% | Minimum
Weighted average interest rate on certificates of deposit	1.00%
1.00% - 1.99% | Maximum
Weighted average interest rate on certificates of deposit	1.99%
2.00% - 2.99%
Time deposits	$ 46,139	55,509
2.00% - 2.99% | Minimum
Weighted average interest rate on certificates of deposit	2.00%
2.00% - 2.99% | Maximum
Weighted average interest rate on certificates of deposit	2.99%
3.00% and above
Time deposits	$ 5,047	$ 6,780
3.00% and above | Minimum
Weighted average interest rate on certificates of deposit	3.00%