Investment Securities (Gross Unrealized Losses and Fair Value by Length of Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	$ 48,698	$ 41,412
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	2,582	594
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	43,010	20,930
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	6,588	669
Available-for-sale securities, continuous unrealized loss position, fair value	91,708	62,342
Available-for-sale securities, continuous unrealized loss position, unrealized losses	9,170	1,263
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	344,831	291,677
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	35,792	2,850
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value	51,987	26,283
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses	7,777	638
Held-to-maturity securities, continuous unrealized loss position, fair value	396,818	317,960
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	43,569	3,488
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	44,686	39,851
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	2,320	593
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	27,615	3,562
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	3,983	36
Available-for-sale securities, continuous unrealized loss position, fair value	72,301	43,413
Available-for-sale securities, continuous unrealized loss position, unrealized losses	6,303	629
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	258,844	226,918
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	29,538	1,836
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value	32,690	14,564
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses	5,468	412
Held-to-maturity securities, continuous unrealized loss position, fair value	291,534	241,482
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	35,006	2,248
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	2,097	1,561
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	155	1
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	15,395	17,368
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	2,605	633
Available-for-sale securities, continuous unrealized loss position, fair value	17,492	18,929
Available-for-sale securities, continuous unrealized loss position, unrealized losses	2,760	634
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	77,296	64,268
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	5,945	1,005
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value	19,297	11,719
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses	2,309	226
Held-to-maturity securities, continuous unrealized loss position, fair value	96,593	75,987
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	8,254	1,231
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	1,915
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	107
Available-for-sale securities, continuous unrealized loss position, fair value	1,915
Available-for-sale securities, continuous unrealized loss position, unrealized losses	107
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	8,691	491
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	309	9
Held-to-maturity securities, continuous unrealized loss position, fair value	8,691	491
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	$ 309	$ 9