Loans Receivable (Accretable yield and non-accretable discount activity of acquired Eurobank loans) (Details) - Acquired Loans In An F D I C Assisted Transaction [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	$ 45,078	$ 54,075	$ 49,672	$ 64,508
Accretion Accretable	3,485	4,339	10,192	16,987
Change in expected cash flow	2,209	460	4,199	2,144
Transfer from (to) non-accretable discount	(727)	2,187	(604)	2,718
Balance at end of period	43,075	52,383	43,075	52,383
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	3,819	9,010	5,845	12,340
Change in actual and expected losses	(359)	112	(2,262)	(2,687)
Transfer (to) from accretable yield	727	(2,187)	604	(2,718)
Balance at end of period	4,187	6,935	4,187	6,935
Mortgage
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	39,269	43,012	41,474	45,839
Accretion Accretable	1,440	1,736	4,583	5,564
Change in expected cash flow	6	18	(974)	119
Transfer from (to) non-accretable discount	188	1,094	2,106	1,994
Balance at end of period	38,023	42,388	38,023	42,388
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	2,638	6,687	4,576	8,441
Change in actual and expected losses	63	20	43	(834)
Transfer (to) from accretable yield	(188)	(1,094)	(2,106)	(1,994)
Balance at end of period	2,513	5,613	2,513	5,613
Commercial and Other Construction Loan [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	4,585	9,157	6,751	16,475
Accretion Accretable	1,883	2,480	5,195	11,051
Change in expected cash flow	2,063	106	4,793	1,427
Transfer from (to) non-accretable discount	(412)	1,448	(1,996)	1,380
Balance at end of period	4,353	8,231	4,353	8,231
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	0	2,010	276	3,880
Change in actual and expected losses	(412)	126	(2,272)	(1,812)
Transfer (to) from accretable yield	412	(1,448)	1,996	(1,380)
Balance at end of period	0	688	0	688
Construction and development secured by family properties [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	1,224	1,906	1,447	2,194
Accretion Accretable	0	39	0	82
Change in expected cash flow	0	39	0	82
Transfer from (to) non-accretable discount	(525)	(142)	(748)	(430)
Balance at end of period	699	1,764	699	1,764
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	981	299	758	11
Change in actual and expected losses	0	(39)	0	(39)
Transfer (to) from accretable yield	525	142	748	430
Balance at end of period	1,506	402	1,506	402
Auto and Leasing [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	0	0	0	0
Accretion Accretable	7	11	45	22
Change in expected cash flow	(143)	(49)	(317)	(214)
Transfer from (to) non-accretable discount	150	60	362	236
Balance at end of period	0	0	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	0	0	0	0
Change in actual and expected losses	150	60	362	236
Transfer (to) from accretable yield	(150)	(60)	(362)	(236)
Balance at end of period	0	0	0	0
Consumer Loan [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	0	0	0	0
Accretion Accretable	155	73	369	268
Change in expected cash flow	283	346	697	730
Transfer from (to) non-accretable discount	(128)	(273)	(328)	(462)
Balance at end of period	0	0	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Non Accretable Discount Movement Schedule [Roll Forward]
Balance at beginning of period	200	14	235	8
Change in actual and expected losses	(160)	(55)	(395)	(238)
Transfer (to) from accretable yield	128	273	328	462
Balance at end of period	$ 168	$ 232	$ 168	$ 232