Note 13 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	June 30, 2020
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	99,927	$	—	$	—	$	99,927
U.S. government agency entities		—		107,393		—		107,393
Mortgage-backed securities		—		802,412		—		802,412
Collateralized mortgage obligations		—		301		—		301
Corporate debt securities		—		136,069		—		136,069
Total securities available-for-sale	$	99,927	$	1,046,175	$	—	$	1,146,102
Equity securities
Mutual funds	$	6,431	$	—	$	—	$	6,431
Preferred stock of government sponsored entities		4,868		—		—		4,868
Other equity securities		13,271		—		—		13,271
Total equity securities	$	24,570	$	—	$	—	$	24,570
Warrants	$	—	$	—	$	13	$	13
Interest rate swaps		—		3,842		—		3,842
Foreign exchange contracts		—		1,529		—		1,529
Total assets	$	124,497	$	1,051,546	$	13	$	1,176,056
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		33,760		—		33,760
Foreign exchange contracts		—		531		—		531
Total liabilities	$	—	$	34,297	$	—	$	34,297

	December 31, 2019
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	74,936	$	—	$	—	$	74,936
U.S. government agency entities		—		90,796		—		90,796
U.S. government sponsored entities		—		224,443		—		224,443
Mortgage-backed securities		—		887,790		—		887,790
Collateralized mortgage obligations		—		552		—		552
Corporate debt securities		—		173,325		—		173,325
Total securities available-for-sale	$	74,936	$	1,376,906	$	—	$	1,451,842
Equity securities
Mutual funds	$	6,277	$	—	$	—	$	6,277
Preferred stock of government sponsored entities		10,529		—		—		10,529
Other equity securities		11,199		—		—		11,199
Total equity securities	$	28,005	$	—	$	—	$	28,005
Warrants	$	—	$	—	$	39	$	39
Interest rate swaps		—		2,181		—		2,181
Foreign exchange contracts		—		2,411		—		2,411
Total assets	$	102,941	$	1,381,498	$	39	$	1,484,478
Liabilities
Option contracts	$	—	$	7	$	—	$	7
Interest rate swaps		—		14,229		—		14,229
Foreign exchange contracts		—		1,415		—		1,415
Total liabilities	$	—	$	15,651	$	—	$	15,651

Fair Value Measurements, Nonrecurring [Table Text Block]

	As of June 30, 2020								Total Losses
	Fair Value Measurements Using						Total Fair		For the Three Months Ended				For the Six Months Ended
	Level 1		Level 2		Level 3		Value Measurements		June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	8,968	$	8,968	$	—	$	—	$	—	$	—
Commercial mortgage loans		—		—		19,439		19,439		—		—		—		—
Residential mortgage loans and equity lines		—		—		8,974		8,974		—		—		—		—
Total impaired loans		—		—		37,381		37,381		—		—		—		—
Other real estate owned (1)		—		3,405		4,238		7,643		381		422		717		494
Investments in venture capital and private company stock		—		—		1,384		1,384		71		16		104		18
Total assets	$	—	$	3,405	$	43,003	$	46,408	$	452	$	438	$	821	$	512

	As of December 31, 2019								Total Losses/(Gains)
	Fair Value Measurements Using						Total Fair		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Value Measurements		December 31, 2019		December 31, 2018
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	6,196	$	6,196	$	—	$	—
Commercial mortgage loans		—		—		25,566		25,566		—		—
Residential mortgage loans and equity lines		—		—		5,320		5,320		—		—
Total impaired loans		—		—		37,082		37,082		—		—
Other real estate owned (1)		—		6,490		4,343		10,833		681		(619	)
Investments in venture capital and private company stock		—		—		1,604		1,604		167		330
Total assets	$	—	$	6,490	$	43,029	$	49,519	$	848	$	(289	)