Fair Value of Financial Instruments (Estimated Fair Values of Financial Instruments) (Details) - USD ($)
$ in Thousands |
Mar. 31, 2020 |
Dec. 31, 2019 |
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
$ 0
|
$ 87,561
|
| Loans and leases, net |
6,709,346
|
6,676,734
|
| Restricted equity securities |
68,472
|
53,818
|
| Financial liabilities: |
|
|
| Borrowed funds |
70,743
|
60,689
|
| Level 1 |
|
|
| Financial assets: |
|
|
| Loans and leases, net |
0
|
0
|
| Restricted equity securities |
0
|
0
|
| Financial liabilities: |
|
|
| Certificates of deposits |
0
|
0
|
| Borrowed funds |
0
|
0
|
| Level 2 |
|
|
| Financial assets: |
|
|
| Loans and leases, net |
0
|
0
|
| Restricted equity securities |
0
|
0
|
| Financial liabilities: |
|
|
| Certificates of deposits |
2,049,775
|
2,026,683
|
| Borrowed funds |
1,299,591
|
902,670
|
| Level 3 |
|
|
| Financial assets: |
|
|
| Loans and leases, net |
6,718,600
|
6,697,583
|
| Restricted equity securities |
68,472
|
53,818
|
| Financial liabilities: |
|
|
| Certificates of deposits |
0
|
0
|
| Borrowed funds |
0
|
0
|
| Carrying Value |
|
|
| Financial assets: |
|
|
| Loans and leases, net |
6,709,346
|
6,676,734
|
| Restricted equity securities |
68,472
|
53,818
|
| Financial liabilities: |
|
|
| Certificates of deposits |
2,023,637
|
2,021,642
|
| Borrowed funds |
1,291,804
|
902,749
|
| Estimated Fair Value |
|
|
| Financial assets: |
|
|
| Loans and leases, net |
6,718,600
|
6,697,583
|
| Restricted equity securities |
68,472
|
53,818
|
| Financial liabilities: |
|
|
| Certificates of deposits |
2,049,775
|
2,026,683
|
| Borrowed funds |
$ 1,299,591
|
902,670
|
| GSE debentures |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
31,290
|
| GSE debentures | Level 1 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| GSE debentures | Level 2 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
31,290
|
| GSE debentures | Level 3 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| GSE debentures | Carrying Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
31,228
|
| GSE debentures | Estimated Fair Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
31,290
|
| GSE MBSs |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
9,279
|
| GSE MBSs | Level 1 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| GSE MBSs | Level 2 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
9,279
|
| GSE MBSs | Level 3 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| GSE MBSs | Carrying Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
9,360
|
| GSE MBSs | Estimated Fair Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
9,279
|
| Municipal obligations |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
46,514
|
| Municipal obligations | Level 1 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| Municipal obligations | Level 2 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
46,514
|
| Municipal obligations | Level 3 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| Municipal obligations | Carrying Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
45,692
|
| Municipal obligations | Estimated Fair Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
46,514
|
| Foreign government obligations |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
478
|
| Foreign government obligations | Level 1 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| Foreign government obligations | Level 2 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
0
|
| Foreign government obligations | Level 3 |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
478
|
| Foreign government obligations | Carrying Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
500
|
| Foreign government obligations | Estimated Fair Value |
|
|
| Financial assets: |
|
|
| Investment securities held-to-maturity: |
|
$ 478
|